Communications Publications | Lighting Enabled Systems & Applications

2018

A. Rashidi, M. Monavarian, A. Aragon, A. Rishinaramangalam, and D. Feezell, “Nonpolar m-Plane InGaN/GaN Micro-Scale Light-Emitting Diode with 1.5 GHz Modulation Bandwidth”, Electron Device Letters, vol. 39, pp. 520 – 523, (March 2018).

Monette H. Khadr, Hany Elgala, Moussa Ayyash, Thomas DC Little, Abdallah A Khreishah and Michael Rahaim, “Security Aware Spatial Modulation (SA-SM),” 2018 IEEE 39th Sarnoff Symposium. T.D.C. Little, M.B. Rahaim, I. Abdalla, E. Lam, R. Mcallister and A.M. Vegni, “A Multi-Cell Lighting Testbed for VLC and VLP”, Proc. 1st Global LiFi Congress, Paris France, (February 2018).

M. Behzadirad, M. Nami, N. Wostbrock, M. Reza Zamani Kouhpanji, D. Feezell, S.R.J. Brueck and Tito Busani, “Scalable Top-down Approach Tailored by Interferometric Lithography to Achieve Large-Area Single-Mode GaN Nanowire Laser Arrays on Sapphire Substrate”, ACS Nano, vol. 12, pp. 2373 – 2380, (February 2018).

M. Nami, I. Stricklin, K. DaVico, A. Rishinaramangalam, S. R. J. Brueck, I. Brener, and D. Feezell, “Carrier Dynamics and Electro-Optical Characterization of High-Performance GaN/InGaN Core-Shell Nanowire Light-Emitting Diodes”, Scientific Reports, vol. 8, No. 501, pp. 1-11, (January 2018).

M. Monavarian, A. Aragon, A. Rashidi, A. Rishinaramangalam, and D. Feezell, “Impact of Crystal Orientation on Modulation Bandwidth of InGaN/GaN Light-Emitting Diodes”, Applied Physics Letters, vol. 112, pp. 041104(1-4), (January 2018).

Hussein, H. Elgala, and T.D.C. Little, “Visible Light Communications: Toward Multi- Service Waveforms”, in Proc. IEEE CCNC 2018, (January 2018). R. Zhang, M. Biagi, L. Lampe, T.D.C. Little, S. Mangold and Z. Xu, “Guest Editorial Localisation, Communication and Networking With VLC”, IEEE J. on Selected Areas in Communications Vol. 36, No. 1, pp. 1-7, (January 2018).

C. Joenathan, T. Naderishhab, A. Bernal, A. B. Krovetz, V.C. Pretheesh Kumar and A.R. Ganesan, “Nanoscale tilt measurement using a cyclic interferometer with polarization phase stepping and multiple reflections”, Applied Optics, 57, 852-858, (2018).

2017

S. Ray, and M.M. Hella, “A 53dB 7-GHz Inductorless Transimpedance Amplifier and A 1-THz+ GBP Limiting Amplifier in 0.13-μm CMOS”, IEEE Trans. Circuits Syst. I., accepted for publication, (December 22 2017).

B. Fahs, M. Romanowicz, and M.M. Hella, “A Self-Alignment System for LOS Optical Wireless Communication Links”, IEEE Photonics Technology Letters, Vol. 29, NO. 24, pp. 2207 – 2210, (December 15, 2017).

B. Fahs, M. Romanowicz, and M.M. Hella, “A Gbps Building-to-Building VLC Link Using Standard CMOS Avalanche Photodiodes”, IEEE Photonics Journal, Vol. 9, No. 6, pp. 7907709, (December 2017).

J.E. Soto, W.E. Valenzuela, S.Diaz, A.Saavedra, M.Figueroa, J.Ghasemi and P. Zarkesh-Ha, “An Intelligent Readout Integrated Circuit (iROIC) with On-Chip Local Gradient Operations”, IEEE International Conference on Electronics, Circuits and Systems, (December 2017).

M.B. Rahaim, J.A. Morrison, and T.D.C. Little, “Beam Control for Indoor FSO and Dynamic Dual-Use VLC Lighting Systems”, J. Communications and Information Networks, Vol. 2, No. 4, (December 2017).

S. Nezhadbadeh, J. Ghasemi, A. Neumann, A.J. Chowdhury, B. Fahs, M. Hella, S.R.J. Brueck, and P. Zarkesh- Ha, “Characterization and Optimization of a Blue-Enhanced Honeycomb Optical Sensor”, IEEE Sensors Conference, pp. 1-3, (November 2017).

T.K. Woodstock and A.C. Sanderson, “Fusion of Color and Range Sensors for Occupant Recognition and Tracking”, Proceedings of the International Conference on Multisensor Fusion, South Korea, (November 2017).

M. Nami, I. Stricklin, A. Rishinaramangalam, S. Brueck, I. Brener, and D. Feezell, “Electro-Optical Characterization of Selectively-Grown GaN/InGaN Core-Shell Nanowire LEDs”, 2017 International Symposium on Semiconductor Light Emitting Devices (ISSLED), Banff, Canada, (October 2017).

T.D.C. Little and M.B. Rahaim, “When will VLC Reach a Tipping Point?” Proc. 4th ACM Workshop on Visible Light Communication Systems (VLCS)”, Snowbird, UT, (October 2017).

M. Monavarian, A. Rashidi, A. Aragon, M. Nami, and D. Feezell, “Small-Signal Modulation Characteristics of Nonpolar and Semipolar InGaN/GaN Light-Emitting Diodes”, 2017 International Symposium on Semiconductor Light Emitting Devices (ISSLED), Banff, Canada, (October 2017).

M. Nami, A. Rishinaramangalam, D. Shima, G. Balakrishnan, S. Brueck, and D. Feezell, “Effect of AlGaN Underlayer on Reverse-Leakage Current Reduction in GaN/InGaN Core-Shell Nanostructure Light-Emitting Diodes”, 2017 ACCGE-21-OMVPE-18 Conference, Santa Fe, NM, (August 2017).

A. Neumann, S. Nezhadbadeh, P. Zarkesh-Ha, and S.R.J. Brueck, “A CMOS-Compatible Plenoptic Sensor Array for Smart Lighting Applications”, Advanced Photonics Congress (IPR, NOMA, Sensors, Networks, PS, SPPCom), OSA Technical Digest (Optical Society of America), paper ITu1A.6, (July 2017).

M. Behzadirad, A. Rishinaramangalam, D. Feezell, S.R.J. Brueck, T. Busani, J. Ballard and J.H.G. Owen, “Tip based nanometrology and nanolithography using high aspect ratio GaN nanowires”, 2017 Electron, Ion, and Photon Beam Technology And Nanofabrication (EIPBN) Conference, Orlando, FL, (June 2017).

M.M. Hossain, S. Ray, J.S. Cheong, L. Qiao, A.N.A.P. Baharuddin, M.M. Hella, J.P.R. David and M.M. Hayat, “Low-noise speed-optimized large area CMOS avalanche photodetector for visible light communication”, IEEE/OSA J. Lightwave Technol., vol. 35, no. 11, pp. 2315-2324, (June 2017).

A. Rishinaramangalam, M. Fairchild, D. Shima, G. Balakrishnan1, S. Brueck, and D. Feezell, “Reduction of Reverse-Leakage Current in Selective-Area-Grown GaN-Based Nanostructure LEDs using AlGaN Layers”, Physica Status Solidi (a), vol. 214, pp. 1600776, (May 2017).

B. Fahs, A.J. Chowdhury, Y. Zhang, J. Ghasemi, C. Hitchcock, P. Zarkesh-Ha and M.M. Hella, “Design and Modeling of Blue-Enhanced and Bandwidth-Extended PN Photodiode in Standard CMOS Technology”, IEEE Transactions on Electronic Device, volume 64, issue 7, pp. 2859 – 2866, (May 11, 2017).

A. Rashidi, M. Monavarian, A. Aragon, S. Okur, M. Nami, A. Rishinaramangalam, S. Mishkat-Ul-Masabih, D. Feezell, “High-Speed Nonpolar InGaN/GaN LEDs for Visible-Light Communication”, 2017 Conference on Lasers and Electro-Optics (CLEO), San Jose, CA, (May 2017).

A. Hussein, B. Fahs, M.M. Hella, and H. Elgala, ” Exprimental Investigation of DCO-OFDM Adaptive Loading using Si PN based Receiver”, Proc. 26th IEEE Optical Wireless Comm. Conference, Newark, NY, (April 2017). B. Fahs, M. Senneca, J. Chellis, B. Massara, S. Ray, J. Ghasemi, Y. Miao, P. Zarkesh-Ha, V. J. Koomson, and M. M. Hella, “2×2 Imaging MIMO OOK VLC Link Using Commercial LEDs and Si P-N Photodiode Array”, Proc. 26th IEEE Wireless and Optical Communications Conf. (WOCC), Newark, NJ, (April 2017).

J. Morrison, M. Imboden, and D. J. Bishop, “Tuning The Resonance Frequencies And Mode Shapes In A Large Range Multi-Degree Of Freedom Micromirror,” Opt. Express, vol. 25, no. 7, pp. 7895–7906, (Apr. 2017).

K. Modepalli, and L. Parsa, “Lighting Up With A Dual-Purpose Driver,” IEEE Industry Applications Magazine, pp. 51-61. (March/April 2017).

J. Zhao, P. Ishwar, and J. Konrad, “Privacy-Preserving Indoor Localization Via Light Transport Analysis,” Proc. IEEE Int. Conf. Acoustics Speech Signal Processing, (Mar. 2017).

J. Chen, J. Wu, P. Ishwar, and J. Konrad, “Semi-Coupled Two-Stream Fusion ConvNets For Action Recognition At Extremely Low Resolutions,” Winter Conference on Applications of Computer Vision, (Mar. 2017).

M. Behzadirad, M. Nami, A. Rishinaramagalam, D. Feezell, and T. Busani, “GaN Nanowire Tips For Nanoscale Atomic Force Microscopy”, Nanotechnology, vol. 28, pp. 20LT01(1-6), (April 2017).

B. Fahs, A. Chowdhury, J. Ghasemi, P. Zarkesh-Ha and M. Hella, “A robust 2×2 CMOS receiver array for meter-scale point-to-point OOK VLC links”, 2017 IEEE 60th International Midwest Symposium on Circuits and Systems (MWSCAS), Boston, MA, pp. 663-666, (2017).

C. Pollock, J. Morrison, M. Imboden, T.D.C. Little, and D.J. Bishop, “Beam shaping with tip-tilt varifocal mirror for indoor optical wireless communication”, Opt. Express 25, 20274-20285, (2017).

Z. Guo, C. Hitchcock, and T. P. Chow, “Lossless turn-off switching projection of lateral and vertical GaN power field-effect transistors”, Phys. Status Solidi (a), vol. 214, no. 8, p. 1600820, (2017).

J. Gleason, A.P. Vinod and M.M.K. Oishi, “Underapproximation of reach-avoid sets for discrete-time stochastic systems via Lagrangian methods”, IEEE Conference on Decision and Control, Melbourne, Australia, pp. 4283-4290, (2017).

J. Wen and S. Mishra, “Intelligent Building Control Systems”, Springer Nature Publishing, (2017). L. Lu, J.T. Wen, “Baxter-On-Wheels (BOW): An Assistive Mobile Manipulator For Mobility Impaired Individuals,” in Trends in Control and Decision-Making for HumanRobot Collaboration Systems, Ed. by Y. Wang and F. Zhang, Springer- Verlag, London, U.K., (2017).

Z. Guo, C. Hitchcock, and T. P. Chow, “Second breakdown and robustness of vertical and lateral GaN power field-effect transistors”, Phys. Status Solidi (a), vol. 214, no. 12, p. 1600822, (2017).

S. Okur, A. Rishinaramangalam, S. Mishkat-Ul-Masabih, D. Shima, S. Liu, I. Brener, G. Balakrishnan, S. R. J. Brueck, and D. Feezell, “Internal Quantum Efficiency and Carrier Dynamics in Semipolar (10-11) InGaN/GaN light-emitting diodes”, accepted in Nanotechnology, (2017).

B. Nakhkoob and M. Hella, “A 4.7-Gb/s Reconfigurable CMOS Imaging Optical Receiver Utilizing Adaptive Spectrum Balancing Equalizer,” IEEE Transactions on Circuits and Systems I: Regular Papers, Volume: 64, Issue: 1, Pages: 182 – 194, (2017).

G. Javad, B. Manish, R.C.F. Glauco, Z. Payman, K. Sanjay and M.H. Majeed, “CMOS Approach To Compressed-Domain Image Acquisition,” Opt. Express 25, 4076-4096 (2017)

J. Ghasemi, M. Bhattarai, G.R.C. Fiorante, P. Zarkesh-Ha, S. Krishna, and M.M. Hayat, “CMOS approach to compressed-domain image acquisition“, Opt. Express 25, 4076-4096, (2017).

B. Fahs, A. Chowdhury, and M. M. Hella, “A 12-m 2.5-Gb/s Lighting Compatible Integrated Receiver for OOK Visible Light Communication Links,” IEEE Journal of Lightwave Technology, Volume: 34, Issue: 16, Pages: 3768 – 3775, (2017).

M.E. Deagen, L.S. Schadler and C.K. Ullal, “Wetting Regimes for Residual-Layer-Free Transfer Molding at Micro-and Nanoscales”, ACS applied materials & interfaces, 9(41), 36385-36391, (2017).

H. Vijayamohanan, E.F. Palermo and C.K. Ullal. “Spirothiopyran-Based Reversibly Saturable Photoresist”, Chemistry of Materials 2017 29 (11), 4754-4760, (2017).

M.H.T. Imam, S. Afshari and S. Mishra, “Autonomous Lighting Systems”, in Book: Intelligent Building Control Systems, Springer, (2017).

M. Nami, R. Eller, S. Okur, A. Rishinaramangalam, S. Liu, I. Brener, and D. Feezell, “Tailoring The Morphology And luminescence Of GaN/InGaN Core-Shell Nanowires Using Bottom-Up Selective-Area Epitaxy,” Nanotechnology, volume 28, number 2, 025202 (2017).

M. Shatalov, R. Jain, T. Saxena, A. Dobrinsky, M. Shur, “Development Of Deep UV LEDs And Current Problems In Material And Device Technology,” Chennupati Jagadish, Zetian Mi, editors: III-Nitride Semiconductor Optoelectronics, Vol 96, SEMSEM, UK: Academic Press, pp. 45-84, (2017).

A. Rashidi, M. Monavarian, A. Aragon, S. Okur, M. Nami, A. Rishinaramangalam, S. Mishkat-Ul-Masabih, and D. Feezell, “High-Speed Nonpolar InGaN/GaN LEDs for Visible-Light Communication,” IEEE Photonics Technology Letters (2017).

2016

B. Fahs, J. Chellis, M.J. Senneca, A. Chowdhury, S. Ray, Md. M. Hossain, A. Mirvakili, B. Mazzara, Y. Zhang, J. Ghasemi, Y. Miao, P. Zarkesh-Ha, V.J. Koomson and M. Hella, “A 6-m OOK VLC Link Using CMOS- Compatible p-n Photodiode And Red LED,” IEEE Photonics Technology Letters, vol. 28, no. 24, pp. 2846- 2849, (Dec.15, 2016).

J. Gleason, A. Vinod, M. Oishi and R.S. Erwin, “Viable Set Approximation for Linear-Gaussian Systems with Unknown, Bounded Variance“, IEEE 55th Conference on Conference on Decision and Control, (December 2016).

M. Imboden, J. Chang, C. Pollock, E. Lowell, M. Akbulut, J. Morrison, T. Stark, T. G. Bifano, and D. J. Bishop, “High Speed Control Of Electro-Mechanical Transduction Advanced Drive Techniques For Optimized Step- and-Settle Response Of MEMS Micromirrors,” IEEE Control Sys., pp. 48-76, (October, 2016).

J. Morrison, M. Rahaim, Y. Miao, M. Imboden, T.D.C. Little, V. Koomson and D.J. Bishop, “Directional Visible Light Communication Signal Enhancement Using A Varifocal Micromirror With Four Degrees Of Freedom,” Proc. SPIE 9954, Fifteenth International Conference on Solid State Lighting and LED-based Illumination Systems, 99540C (September 7, 2016)

M. Rahaim and T.D.C. Little, “Integration Of RF And VLC Systems,” Handbook of Advanced Lighting Technology, Springer, (June, 2016).

M. Ayyash, H. Elgala, A. Khreishah, V. Jungnickel, T.D.C. Little, S. Shao, M.B. Rahaim, D. Schulz, J. Hilt and R. Freund, “Coexistence of WiFi and LiFi towards 5G: Concepts, Opportunities, and Challenges“, in IEEE Communications Magazine, vol.54, no. 2, pp. 64-71, (February 2016).

P.S. Dutta and K.M. Liotta, “A Design Methodology For Phosphor Mixtures For Tunable Spectrum LEDs,” MRS Advances, pp. 1–6. (2016)

A. K. Rishinaramangalam, M. N. Nami, D. M. Shima, G. Balakrishnan, S. R. J. Brueck and D. F. Feezell, “Reduction Of Reverse-Leakage Current In Selective-Area-Grown GaN-Based Core–Shell Nanostructure LEDs Using AlGaN Layers,” Phys. Status Solidi A, 1-5 (2016)

Z. Zhang, C, Hitchcock, R.F. Karlicek, Jr., “3D Model For Rectangular Electrowetting Lens Structures,” Applied Optics 55 (35), (2016).

X. He, S. Benoit, R. Kaspi and S.R.J. Brueck, “Optically Pumped, Continuously Tunable Mid-IR Distributed- Feedback Semiconductor Laser,” IEEE J. Quant. Electron. 52, 2200210 (2016)

S.C. Lee, A. Neumann, Y-B. Jiang, K. Artyushkova and S.R.J. Brueck, “Top-Down, In-Plane GaAs Nanowire MOSETs On An Al2O3 Buffer With A Trigate Oxide From Focused Ion-Beam Milling And Chemical Oxidation,” Nanotech. 27, 375707 (2016).

A. Mirvakili, H. Elgala, T.D.C. Little and V.J. Koomson, “Dimming And Modulation For VLC-Enabled Lighting,” Optical Wireless Communications – An Emerging Technology, M. Uysal et al., Eds. Basel, ch. 18, pp. 409 – 43. Springer, Switzerland, (2016).

A. Aldalbahi, M.B. Rahaim, A. Khreishah, M. Ayyash, R. Ackerman, J. Basuino, W. Berreta, and T.D.C. Little, “Extending NS3 to Simulate Visible Light Communication at Network-Level”, International Conference on Telecommunications, (2016).

S. C. Lee and S. R. J. Brueck, “Nanoscale Patterned Growth Assisted By Surface Out-Diffusion Of Adatoms From Amorphous Mask Films In Molecular Beam Epitaxy,” Cryst. Growth Des. 16, 3669-3676 (2016).

M. Nami, S. Okur, R. Eller, A. Rishinaramangalam, S. Liu, I. Brener, and D. Feezell, “Anomalous Behavior Of Temperature-Dependent Photoluminescence In GaN/InGaN Core-Shell Nanostructures,” 2016 International Workshop on Nitride Semiconductors (IWN), Orlando, FL, (Oct. 2016).

T. Busani, A. Rishinaramagalam, M. Behzradirad, D. Feezell, and S.R.J. Brueck, “GaN Tips For Atomic Force Microscopy/Scanning Tunneling Microscopy/Scanning Tunneling Lithography” The Lithography Workshop, Kamuela, HI, (Nov. 2016).

S. Ray and M. Hella, “A 30-75 dBΩ 2.5GHz 0.13-μm CMOS Receiver Front-End With Large Input Capacitance Tolerance for Short-Range Optical Communication,” IEEE Trans. on Circuits and Systems-I, Vol. 63, No. 9, pp. 1404-1415, (September 2016).

E. Jamil, J. S. Cheong, J. P. R. David, and M. M. Hayat, “On The Analytical Formulation Of Excess Noise In Avalanche Photodiodes With Dead Space,” Optics Express, vol. 24, Issue 19, pp. 21597–21608, (Sept. 2016).

M. Behzadirad, N. Dawson, M. Nami, A. Rishinaramangalam, D. Feezell, and T. Busani, “GaN Nanowire Tip For High-Aspect-Ratio Nanoscale AFM Metrology,” 2016 SPIE Optics and Photonics Conference, San Diego, (Aug. 2016).

S. Ray and M. Hella, “A 10-Gb/s Inductorless AGC Amplifier with 40-dB Linear Variable Gain Control in 0.13-μm CMOS“, IEEE Journal of Solid State Circuits, Vol. 51(2), pp. 440-456, (Feb. 2016).

A.K. Rishinaramangalam, M. Nami, M.N. Fairchild, D.M. Shima, G. Balakrishnan, S.R.J. Brueck and D.F. Feezell, “Semipolar Ingan/Gan Nanostructure Light-Emitting Diodes On C-Plane Sapphire,” Applied Physics Express, Vol. 9(3), (2016).

J. Chau, C. Morales, and T.D.C. Little, “Using Spatial Light Modulators in MIMO Visible Light Communication Receivers to Dynamically Control the Optical Channel,” In Proceedings of the 2016 International Conference on Embedded Wireless Systems and Networks (EWSN ’16), Junction Publishing, USA, pp. 347-352, (2016).

M.B. Rahaim and T.D.C. Little, “Bounding SINR with the Constraints of an Optical Wireless Channel“, IEEE International Conference on Communication Second Workshop on Optical Wireless Communications, (2016).

A. Aldalbahi, M.B. Rahaim, A. Khreishah, M. Ayyash, R. Ackerman, J. Basuino, W. Berreta, and T.D.C. Little, “Extending NS3 to Simulate Visible Light Communication at Network-Level“, International Conference on Telecommunications, (2016).

2015

T.D.C. Little, D. Bishop, P. Butala, J. Morrison, M. Rahaim, “Indoor Steerable Visible Light Access Points for Mobile Users,” Proc. OPTIC 2015, Taipei, Taiwan, (December 2015).

J. Ghasemi, A. J.Chowdhury, A. Neumann, B. Fahs, M. Hella, S.R.J. Brueck, and P. Zarkesh-Ha, “A Novel Blue-Enhanced Photodetector using Honeycomb Structure,” IEEE Sensors, (Nov. 2015).

S. Chowdhury, K. Yamamoto, and T.P. Chow, “Effect of Activation Annealing and Reactive Ion Etching on MOS Channel Properties of (11-20) Oriented 4H-SiC”, 16th International Conference on Silicon Carbide and Related Materials (ICSCRM), Giardini Naxos, Italy, (October 4 – 9, 2015).

G. Prince and T.D.C. Little, “Latency Constrained Device Positioning Using a Visible Light Communication Two-Phase Received Signal Strength–Angle of Arrival Algorithm,” Proc. 6th Intl. Conf. on Indoor Positioning and Indoor Navigation, Banff, Alberta, Canada, (October 2015).

S. Chowdhury, C. Hitchcock, R. Dahal, I.B. Bhat, and T.P. Chow, “4H-SiC N-Channel IGBTs on (0001) and (000-1) Oriented Lightly Doped Free-Standing Substrates,” 16th International Conference on Silicon Carbide and Related Materials (ICSCRM), Giardini Naxos, Italy, (October 2015).

S. Ray and M. M. Hella, “A 0.622-10Gb/s Inductorless Adaptive Linear Equalizer with Spectral Tracking for Data Rate Adaptation in 0.13-um CMOS ,” IEEE CICC, San Jose, CA, (Sept. 2015).

S. Chowdhury and T.P. Chow, “Comparative Performance Assessment of SiC and GaN Power Rectifier Technologies,” 11th International Conference on Nitride Semiconductors (ICNS-11), Beijing, China, (August – September 2015).

M.B. Rahaim and T.D.C. Little, “Toward Practical Integration Of Dual-Use VLC Within 5G Networks,” IEEE Wireless Communications, Vol. 22(4), pp.97-103, (August 2015).

S. Chowdhury, Z. Guo, and X. Liu, and T.P. Chow, “Comparison of Si, SiC and GaN Power Transistor Technologies with Breakdown Voltage Rating from 1.2kV to 15kV”, 11th International Conference on Nitride Semiconductors (ICNS-11), Beijing, China, (August 30 -September 4, 2015).

S. Chowdhury, K. Yamamoto, and T.P. Chow, “Influence of Ohmic Contact Annealing on MOS Channel Properties of a-Plane (11-20) Oriented 4H-SiC”, 11th Topical Workshop on Heterostructure Microelectronics, Takayama, Japan, (August 23 – 26, 2015).

A. Rishinaramangalam, M. Nami, B. Bryant, R. Eller, D. Shima, G. Balakrishnan, S. Brueck, and D. Feezell, “Ordered Arrays Of Bottom-Up III-Nitride Core-Shell Nanostructures,” 2015 SPIE Optics and Photonics Conference, San Diego, (Aug. 2015).

T.D.C. Little and M.B. Rahaim, “Network Topologies for Mixed RF-VLC HetNets,” (Invited) Proc. IEEE Summer Topicals, Nassau, Bahamas, (July 2015).

M.B. Rahaim and T.D.C. Little, “Optical Interference Analysis in Visible Light Communication Networks,” IEEE International Conference on Communication Workshop (ICCW), pp.1410-1415, (June 2015).

A. Rishinaramangalam, S. Ul Masabih, M. Fairchild, J. Wright, D. Shima, G. Balakrishnan, I. Brener, S. Brueck, and D. Feezell, “Controlled Growth of Ordered III-Nitride Core–Shell Nanostructure Arrays for Visible Optoelectronic Devices,” J. Electron. Mat., Vol. 44, pp. 1255-1262, (May 2015).

E. Gancarz, and T.D.C. Little, “Overlapping PPM for Band-limited Visible Light Communication and Dimming,” Journal of Solid State Lighting 2015, Vol. 2(3), (May 2015).

S. Ray and M. M. Hella, “A 15mW 7GHz Inductor-less Transimpedance Amplifier and >1THz GBP Limiting Amplifier for 10GbE Optical Receivers,” IEEE Radio Frequency IC Design Symposium, RFIC, Phoenix, AZ, (May 2015).

Modepalli, K.; Parsa, L., “A Scalable HB-LED Driver for Multi-Color Adaptive Lighting Systems”, Applied Power Electronics Conference and Exposition (APEC), 2015 Thirty Annual IEEE, 15-19 (March 2015).

Modepalli, K.; Parsa, L., “Dual-Purpose Offline LED Driver for Illumination and Visible Light Communication”, Industry Applications, IEEE Transactions on, Vol. 51(1), pp.406,419, (Jan.-Feb. 2015).

D. Feezell, “Light-Emitting Diodes Based on Ordered Arrays of III-Nitride Core-Shell Nanosotructures”, 2015 Electronic Materials and Applications Conference, Orlando FL, USA, (January 2015).

A. Neumann, J. Ghasemi, S. Nezhadbadeh, X.Nie, P. Zarkesh-Ha, S.R.J.Brueck, “CMOS-Compatible Plenoptic Detector For LED Lighting Applications”, Optics Express, Vol. 23(18), (2015).

D. Bishop, “High Speed Control Of Electro-Mechanical Transduction: Advanced Drive Techniques For Optimized Step-And-Settle Response Of MEMS Micromirrors.” (2015).

S. Shao, A. Khreishah, M. Ayyash, M.B. Rahaim, H. Elgala, V. Jungnickel, D. Schulz, T.D.C. Little, J. Hilt and R. Freund, “Design and Analysis of a Visible-Light-Communication Enhanced WiFi System“, J. Opt. Commun. Netw. 7, 960-973, (2015).

M. Biagi, A. Vegni, S. Pergoloni, P. Butala and T.D.C. Little, “Trace-orthogonal PPM – Space time block coding under rate constraints for visible light communication “, J. Lightwave Technol., Vol. 33(2), pp. 481- 494, (2015).

N. Chi, H. Haas, M. Kavehrad, T.D.C. Little, X.L. Huang, “Visible Light Communications: Demand Factors, Benefits, and Opportunities, Guest Editorial,” IEEE Wireless Communications, Vol. 22(2), pp. 5-7, (2015).

J. Morrison, M. Imboden, T. D. C. Little, and D. J. Bishop, “Tip-Tilt-Piston Micromirror with Integrated Large Range Variable Focus for Smart Lighting Systems,” TechConnect Briefs 2015, pp. 300–303, (2015).

Jessica Morrison, Matthias Imboden, Thomas D.C. Little, and D. J. Bishop, “Electrothermally actuated tip- tilt-piston micromirror with integrated varifocal capability,” Opt. Express 23, pp. 9555-9566, (2015).

K. Yamamoto, S. Chowdhury, and T.P. Chow, “Study of Mobility Limiting Mechanisms in (11-20) 4H-SiC NO Annealed MOSFETs,” Materials Science Forum, Vol 821-823, pp.713-716, (2015).

S. C. Lee, N. Youngblood, Y. B. Jiang, E. J. Peterson, C. J. M. Stark, T. Detchprohm, C. Wetzel and S. R. J. Brueck, “Incorporation Of Indium On Cubic Gan Epitaxially Induced On A Nanofaceted Si(001) Substrate By Phase Transition”, Appl. Phys. Lett. 107, 231905, (2015).

Z. Li, J. Waldron, S. Chowdhury, L. Zhao, T. Detchprohm, C. Wetzel, R. F. Karlicek Jr. and T. P. Chow, “High Temperature Characteristics of Monolithically Integrated LED and MOS-channel HEMT in GaN using Selective EPI Removal”, Phys. Status Solidi A, 1-6 (2015).Z. Guo, and T. P. Chow, “Performance Evaluation of Channel Length Downscaling of Various High Voltage AlGaN/GaN Power HEMTs”, Phys. Status Solidi A, 1-8 (2015).

Zongda Li, J. Waldron, Sauvik Chowdhury, L. Zhao, T. Detchprohm, C. Wetzel, R.F. Karlicek, and T.P. Chow, “High Temperature Characteristics of Monilithically Integrated LED and MOS-channel HEMT in GaN using Selective EPI Removal”, Phys. Stat. Sol. A, (2015).

B. J. Frey, P. Kuang, J.H. Jiang, S. John and S.Y. Lin, “Large-scale Fabrication of a Simple Cubic Metal-oxide Photonic Crystal for Light-trapping Applications”, J. Vac. Sci. Technol. B, 33 021804 (2015).

A. Tkachenko, and J. J.-Q. Lu, “Directed Self-assembly of Mesoscopic Electronic Components into Sparse Arrays with Controlled Orientation using Diamagnetic Levitation”, Journal of Magnetism and Magnetic Materials, Vol. 385, pp. 286-291, (2015).

A.Liu, A. Khannan, P. Dutta and M. Shur,“Red-Blue-Green Solid State Light Sources using a Narrow Line- width Green Phosphor”, Opt. Express, Vol. 23(7), pp. A309-A315 (2015).

Li, Y.; Wang, L.; Natarajan, B.; Tao, P.; Benicewicz, B.C.; Ullal, C.K.; and Schadler, L.S., “Bimodal ‘Matrix Free’ Polymer Nanocomposites”, RSC Advances 5, 14788-14795, (2015).

S. Chowdhury, C. Hitchcock, R. Dahal, I.B. Bhat, and T.P. Chow, “Characteristics of 4H-SiC P-i-N Diodes on Lightly Doped Free-Standing Substrates” Proc. International Symp. Power Semicond. and ICs, pp.353-356, (2015).

2014

P. Butala, H. Elgala, P. Zarkesh-Ha and T.D.C. Little, “Multi-Wavelength Visible Light Communication System Design”, IEEE Globecomm Workshops – Optical Wireless Communications, pp. 530-535, Austin, TX, USA, (Dec 8-12, 2014).

S. Ray, M. M. Hossain, P. Zarkesh-Ha, M. M. Hayat, and M. M. Hella, “Speed optimized large area avalanche photodetector in standard CMOS technology for visible light communication,” 13th IEEE Sensors 2014, Valencia, Spain, (November 3-5, 2014).

S. Ray, M. Hossain, P. Zarkesh-Ha, M. Hayat, and M.M. Hella, “Speed Optimized Large Area Avalanche Photo-detector in Standard CMOS Technology for Visible Light Communication”, 13th IEEE Sensors, Valencia, Spain, (Nov. 2014).

M. M. Hossain, P. Zarkesh-Ha, J. P. R. David, and M. M. Hayat, “Low Voltage CMOS Compatible P-N Junction Avalanche Photodiode”, Proc. 27th IEEE Photonics Conference, La Jolla, San Diego, CA, USA, (Oct. 12-16, 2014).

A. Rishinaramangalam, S. Ul Masabih, M. Fairchild, J. Wright, D. Shima, G. Balakrishnan, I. Brener, S. Brueck, and D. Feezell, “Controlled Growth of Ordered III-Nitride Core–Shell Nanostructure Arrays for Visible Optoelectronic Devices”, J. Electron. Mat., Vol. 44(5), pp. 1255-1262, (Oct 2014).

S. Nahar and M. M. Hella, “E-Shaped Patch Antenna Coupled Plasmonic FET for Broadband THz Detection in 130nm CMOS Technology”, Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Phoenix, AZ, (September 2014).

S. Chowdhury and T. P. Chow, “Performance Projection of Vertical High-Voltage GaN power MOSFETs and Comparison to 4H-SiC power MOSFETs”, International Workshop on Nitride Semiconductors, Wroclaw, Poland, (Aug. 24-29, 2014).

Z. Guo, Z. Li, and T. P. Chow, “Switching Capability Evaluation of GaN Power FETs Using A New Intrinsic Maximum Switching Frequency Figure-of-Merit”, International Workshop on Nitride Semiconductors, Wroclaw, Poland, (Aug 24-29, 2014).

A. Rishinaramangalam, M. Fairchild, S. Ul Masabih, D. Shima, G. Balakrishnan, Daniel Feezell, “Selective- Area Growth of III-Nitride Core-Shell Nanowalls for Light-Emitting and Laser Diodes”, CLEO: Science and Innovations, San Jose CA, USA, (June 8-13, 2014).

A. Rishinaramangalam, S. Ul Masabih, M. Fairchild, J. Wright, D. Shima, G. Balakrishnan, S. Brueck, and D. Feezell, “Ordered Arrays of Core-Shell Nanostructures Using Selective-Area Epitaxy”, 2014 Electronic Materials Conference (EMC), Santa Barbara CA, USA, (June 2014).

A. Tkachenko, R. F. Karlicek, J. J.-Q Lu, “Directed Self-assembly of Mesoscopic Dies using Magnetic Force and Shape Recognition”, 2014 IEEE 64th Electronic Components and Technology Conference (ECTC), pp.. 2207, Orlando FL, USA, (May 27-30, 2014).

H. Raeisi Fard, R. Karlicek, J. Plawsky, T.Borca-Tasciuc, “Reducing Thermal Interface Impedance using Surface Engineering”, 2014 IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm), pp. 222-226, Orlando FL, USA, (May 24-27, 2014).

P. Butala, H. Elgala and T.D.C. Little, “Performance of Optical Spatial Modulation and Spatial Multiplexing with Imaging Receiver”, Wireless Communications and Networking Conference (WCNC), pp: 394-399, Istanbul, TURKEY, (Apr 6-9, 2014).

J.Y. Tsao, M.H. Crawford, M.E. Coltrin, A.J. Fischer, D.D. Koleske, G.S. Subramania, G.T. Wang, J.J. Wierer, R.F. Karlicek Jr., “Toward Smart and Ultra-efficient Solid-State Lighting”, Adv. Optical Mater, (2014).

D. Shao, H. Sun, J. Lian and S. Sawyer, “High Quality ZnO-TiO2 Core-shell Nanowires for Efficient Ultraviolet Sensing”, Applied Surface Science, Vol .314, pp.872-876, (2014).

A. Tuzikas, A. Žukauskas, R. Vaicekauskas, A. Petrulis, P. Vitta, and M. Shur, “Artwork Visualization using a Solid-state Lighting Engine with Controlled Photochemical Safety”, Virtual Journal for Biomedical Optics (VJBO), selected and re-published from Optics Express, Vol. 22(14), pp.16802-16818 (2014).

Z. Li, J. Waldron, S. Chowdhury, L. Zhao, T. Detchprohm, C. Wetzel, R. F. Karlicek, Jr., and T. P. Chow, “High Temperature Characteristics and Process Architecture of Monolithically Integrated LED and MOS-Channel HEMT in GaN Using a Selective Epi Removal Approach”, International Workshop on Nitride Semiconductors, (2014).

A. Mirvakili, V. Joyner Koomson, “A Flicker-free CMOS LED Driver Control Circuit for Visible Light Communication Enabling Concurrent Data Transmission and Dimming Control,” Analog Integrated Circuits and Signal Processing Journal, Vol 80(2), pp. 283-292, (2014).

H. Elgala and T.D.C. Little, “Polar-Based OFDM and SC-FDE Links Towards Energy-Efficient Gbps Transmission under IM-DD Optical System Constraints”, Journal of Optical Communications and Networking, Vol. 7(2), (2014).

P. Butala, H. Elgala and T.D.C. Little, “Sample Indexed Spatial Orthogonal Frequency Division Multiplexing”, Chin. Opt. Lett., Vol. 12(9), pp. 090602, (2014).

J. C. Chau and T.D.C. Little, “Scalable Imaging VLC Receivers with Token-Based Pixel Selection for Spatial Multiplexing”, VCLS ’14 Proceedings of the 1st ACM MobiCom Workshop on Visible Light Communication Systems, New York, NY, USA, pp. 21-26 (2014).

2013

P. Tao, Y. Li , R. W. Siegel, L. S. Schadler, “Transparent dispensible high-refractive index ZrO2/epoxy nanocomposites for LED encapsulation,” Journal of Applied Polymer Science, Vol. 130, Issue 5, pp. 3785?3793, (2013); DOI: 10.1002/app.39652 A. Mao and R.F.Karlicek, “Surface patterning of nonscattering phosphors for light extraction,” Optics Letters, Vol. 38, No. 15, pp. 2796-2799, (2013); http://dx.doi.org/10.1364/OL.38.002796

Z. Li, J. Waldron, T. Detchprohm, C. Wetzel, R. F. Karlicek, Jr., and T. P. Chow, “Monolithic integration of light-emitting diodes and power metal-oxide semiconductor channel high-electron-mobility transistors for light-emitting power integrated circuits in GaN on sapphire substrate,” Appl. Phys. Lett. 102, 192107 (2013); doi:10.1063/1.4807125

A. K. Rishinaramangalam, M. Fairchild, S.D. Hersee, G. Balakrishnan, and D. F. Feezell, “Three-dimensional GaN templates for molecular beam epitaxy of nonpolar InGaN/GaN coaxial light-emitting diodes,” J. Vac. Sci. Technol. B 31, 03C107 (2013). http://dx.doi.org/10.1116/1.4792519 P.S. Dutta, A. Khanna, “Eu3+ Activated Molybdate and Tungstate Based Red Phosphors with Charge Transfer Band in Blue Region”, ECS J. Solid State Sci. Technol., 2(2): R3153-R3167, (2013). doi:10.1149/2.022302jss

H. Peng, and M. M. Hella, “A 100 MHz Two-Phase Four-Segment DC-DC Converter with Light Load Efficiency Enhancement in .18mm CMOS,” IEEE Transactions on Circuits and Systems-I., Vol. PP, Issue 99, pp. 1-12, (2013); doi: 10.1109/TCSI.2013.2239157

2012

A. Khanna and P.S. Dutta, “Narrow spectral emission CaMoO4: Eu3+, Dy3+, Tb3+ phosphor crystals for white light emitting diodes”, J. Solid State Chemistry 198, 93-100 (2012). http://dx.doi.org/10.1016/j.jssc.2012.08.060

W. Hou, T. Detchprohm, and C. Wetzel, “Effects of oxygen thermal annealing treatment on formation of ohmic contacts to n-GaN”, Appl. Phys. Lett. 101, 242105 (2012); http://dx.doi.org/10.1063/1.4769965

C. J. M. Stark, T. Detchprohm, L. Zhao, T. Paskova, E. A. Preble and C. Wetzel, “Fish scale terrace GaInN/GaN light-emitting diodes with enhanced light extraction”, Appl. Phys. Lett. 101, 232106 (2012); http://dx.doi.org/10.1063/1.4769442

T. Marron, S. Takashima, Z. Li, and T. P. Chow, “Impact of annealing on ALD Al2O3 gate dielectric for GaN MOS devices”, Phys. Status Solidi C *9, No. 3–910 (2012)http://dx.doi.org/10.1063/1.4769965

W.A. Hadi, M.S. Shur, S.K. O’Leary, “On the applicability of a semi-analytical approach to determining the transient electron transport response of gallium arsenide, gallium nitride, and zinc oxide”, Journal of Materials Science: Mater Electron, (2012). doi:10.1007/s10854-012-0986-0

W. A. Hadi, S. Chowdhury, M.S. Shur, S.K. O’Leary, “A detailed characterization of the transient electron transport within zincoxide, gallium nitride, and gallium arsenide”, J. Appl. Phys. 112, 123722 (2012). http://dx.doi.org/10.1063/1.4771679

W. Hou, C. Stark, S. You, L. Zhao, T. Detchprohm, and C. Wetzel. “Evaluation of metal/indium-tin-oxide for transparent low-resistance contacts to p-type GaN”, Appl. Opt. 51, 5596-5600 (2012). dx.doi.org/10.1364/AO.51.005596

Z. Li, J. Zhang, and T. P. Chow, “Study of CF4 plasma treatment in drift region optimization of high-voltage GaN MOSC-HEMTs,” Physics status solidi, 9-Dec-2011, Phys. Status Solidi C9, No. 3–863 (2012)

A. Khanna and P.S. Dutta, “CaWO4 :Eu3+, Dy3+, Tb3+ Phosphor Crystals for Solid-State Lighting Application”, ECS Trans. 41 (37) 39-48 (2012). http://dx.doi.org/10.1149/1.3697443

B. Nakhkoob, S. Ray, M. Hella. “High speed photodiodes in standard nanometer scale CMOS technology: a comparative study”. Optics Express, Vol. 20, Issue 10, pp. 11256-11270, (2012). http://dx.doi.org/10.1364/OE.20.011256

2011

P. Tao, Y. Li, A. Rungta, A. Viswannath, J. Gao, B. Benicewicz, R. Siegel, L. Schadler, “TiO2 Nanocomposites with High Refractive Index and Transparency,” Journal of Materials Chemistry , 2011, 21, pp. 18623–18629 P. Tao, A. Viswanath, L. S. Schadler, B.C. Benicewicz, and R. W. Siegel, “Preparation and Optical Properties of Indium Tin Oxide/Epoxy Nanocomposites with Polyglycidyl Methacrylate Grafted Nanoparticles”, ACS Appl. Materials Interfaces, 3(9):3638-45, (Sep 28, 2011).

C. J. M. Stark, T. Detchprohm, and C. Wetzel, “The role of mesa size in nano-structured green AlGaInN light-emitting diodes,” Phys. Stat. Sol. C, 8, 2311–2314 (2011)

Y. Li, S. You, M. Zhu, L. Zhao, W. Hou, T. Detchprohm, Y. Taniguchi, N. Tamura, S. Tanaka, and C. Wetzel, “Defect-reduced green GaInN/GaN light-emitting diode on nanopatterned sapphire,” Appl. Phys. Lett, 98(15), 151102 (April 2011)

C. Wetzel and T. Detchprohm, “Wavelength-stable rare earth-free green light-emitting diodes for energy efficiency”, Optics Express, Vol. 19, No. S4, (2011).

S.D. Hersee, A.K. Rishinaramanagalam, M.N. Fairchild, L. Zhang, and P. Varangis, “Threading defect elimination in GaN nanowires,” Journal of Materials Research, 14-Sep-2011 26:2293-2298, DOI: 10.1557/jmr.2011.112

C. Wetzel and T. Detchprohm, “Wavelength-stable rare earth-free green light-emitting diodes for energy efficiency”, Optics Express, Vol. 19, No. S4, (2011).

K. M. Dani, Z. Ku, P. C. Upadhya, R. P. Prasankumar, A. J. Taylor, and S. R. J. Brueck, “Ultrafast Nonlinear Optical Spectroscopy of a Dual-Band Negative Index Metamaterial All-Optical Switching Device”, Optics Express Vol. 19, 3973, (2011).

A.M. Vegni and T.D.C. Little, “Hybrid Vehicular Communications Based on V2V-V2I Protocol Switching,” Intl. J. Vehicle Information and Communications Systems, Vol. 2, Nos. 3/4, pp. 213-231.

A. Agarwal, D. Starobinski, and T.D.C. Little, “Phase Transition of Message Propagation Speed in Delay- Tolerant Vehicular Networks”, IEEE Trans. on Intelligent Transportation Systems, Issue 99, pp. 1-15, November 2011.

2010

J. Liao, A. Mirvakili, A. Boryssenko, V. Joyner, Z. R. Huang, “Integration of LED Chip Within Patch Antenna Geometry for Hybrid FSO/RF Communication”, Electronics Letters, Vol. 46, No.19, pp.1332-1333, (Sept. 16, 2010).

S. Smolev, Z. Ku, S. R. J. Brueck, I. Brener, M. B. Sinclair, G. A. Ten Eyck, W. L. Langston, and L. I. Basilio, “Resonant Coupling to a Dipole Absorber Inside a Metamaterial: Anticrossing of the Negative Index Response”, Journal of Vacuum Science and Technology, B 28, C6016, (2010).

A. K. Raub and S. R. J. Brueck, “Large Area 3D Photonic Crystals with Embedded Waveguides”, Journal of Vacuum Science and Technology, B28, C6038, (2010).

Z. Li, T. P. Chow, “Channel Scaling of Hybrid GaN MOS-HEMTs”, Solid State Electronics, Vol. 56, pp. 111- 115, (2011).

Z. Li, K. Tang, T. P. Chow, M. Sugimoto, T. Uesugi and T. Kachi, “Design and Simulations of Novel Enhancement-Mode High-Voltage GaN Vertival Hybrid MOS-HEMTs”, Phys. Stat. So. (c), Vol. 7, No. 7-8, pp. 1944-1948, (2010).

M. Kuo, Y. Kim, and S. Lin, “Efficient and Directed Nano-LED Emission by a Complete Elimination of Transverse-Electric Guided Modes”, Nano. Letters, Vol. 11, p. 476, (2010).

M. Zhu, S. You, T. Detchprohm, T. Paskova, E. A. Preble, and C. Wetzel “Various Misfit Dislocations in Green and Yellow GaInN GaN Light Emitting Diodes”, Physica Stat. Sol. A 207(6), 1305–1308. (June 2010).

S. You, T. Detchprohm, M. Zhu, W. Hou, E. A. Preble, D. Hanser, T. Paskova, and C. Wetzel, “Highly Polarized Green Light Emitting Diode in M-Axis GaInN/GaN”, Applied Physics Express, 3(10), 102103, (Oct 2010).

Y. Xia, W. Hou, L. Zhao, M. Zhu, T. Detchprohm, and C. Wetzel, “Boosting Green GaInN/GaN Light Emitting Diode Performance by a GaInN Underlying Layer”, IEEE Trans. Electron Devices 57(10) 2639-2643, (2010).

T. Detchprohm, M. Zhu, S. Yu, Y. Li, L. Zhao, E. A. Preble, L. Liu, T. Paskova, D. Hanser, and C. Wetzel, “Cyan and Green Light Emitting Diode on Non-Polar m-Plane GaN Bulk Substrate”, Physica Status Solisi C 7(7-8), 2190–2192, (July 2010).

A. Gennett, D. Lewis, P. S. Dutta, “Low Temperature Growth of Ga1- xInxP Bulk Crystals from InSb-rich Melt”, J. Crystal Growth, doi: 10.1016/j.jcrysgro.2009.11.062 (2010).

A. A. Talin, F. Léonard, A. M. Katzenmeyer, B. S. Swartzentruber, S. T. Picraux, M. E. Toimil-Molares, J. G. Cederberg, X. Wang, S. D. Hersee, A. Rishinaramangalum, “Transport Characterization in Nanowires Using an Electrical Nanoprobe”, Semicond. Sci. Technol., Vol. 25, No. 024015 (2010).

2009

S. C. Lee, E. Pils, S. Krishna and S. R. J. Brueck, “Mid-Infrared Transmission Enhancement through a Subwavelength Metal Hole Array with an Impedance Matching Dielectric Layer Electron”, Lett., Vol. 45, pp. 643-645 (2009).

I. Arslan, J. K. Hyun, R. Erni, M. N. Fairchild, S. D. Hersee, D. A. Muller, “Using Electrons As a High-Resolution Probe of Optical Modes in Individual Nanowires”, Nano Letters, Vol. 9, Issue 12, pp. 4073-4077 (2009).

M. L. Kuo, Y. J. Lee, T. C. Shen, S. Y. Lin, “Large Enhancement of Light-Extraction Efficiency from Optically Pumped, Nanorod Light-Emitting Diodes”, Optics Letters, Vol. 34, No. 13 (2009).

J. L. Plawsky, J. K. Kim and E. F. Schubert, “Engineered Nanoporous and Nanostructured Films”, Materials Today, Vol. 12, pp. 36-45 (2009).