Asif Chowdhury, A. P. Jacob, Y. Bian, and M. RAKOWSKI, “Photodiode,” US20210265519A1

Y. Bian, M. Rakowski, W. S. LEE, Asif Chowdhury, and A. P. Jacob, “Photodetectors with adjacent anode-cathode pairs,” US20210305290A1

Asif Chowdhury, Mona Hella, Bob Karlicek, “Silicon Nitride Waveguide Coupled Photodiode”, US Patent Application, No. 63/145,014

Asif Chowdhury, Abdelsalam Aboketaf, Yusheng Bian, Andy Stricker, “Photodetectors and absorber with slanted light incidence”, US Patent Application, No. 17/241,525

Alec Hammond, Yusheng Bian, Michal Rakowski, Won-Suk Lee, Asif Chowdhury, Rod Augur, “Optical power splitting with side confining featutes”, US Patent Application, No. 17/113,367

Alec Hammond, Yusheng Bian, Michal Rakowski, Won-Suk Lee, Asif Chowdhury, Rod Augur, “Grating couplers with segments having sections”, US Patent Application, No. 17/162,303

Alec Hammond, Yusheng Bian, Michal Rakowski, Won-Suk Lee, Asif Chowdhury, Rod Augur, “Perforated wavelength division multiplexing”, US Patent Application, No. 17/170,203

Michal Rakowski, Petar Todorov, Yusheng Bian, Won-Suk Lee, Asif Chowdhury, Ken Giewont “Hybrid slab heater for passive ring thermal tuning”, to be submitted to USPTO

Yusheng Bian, Asif Chowdhury, "Photodetectors Integrated with an Inverse Taper Including a Curved Tip", submitted to USPTO.

B. Fahs; A. Chowdhury; Y. Zhang; J. Ghasemi; C. Hitchcock; P. Zarkesh-Ha; M. M. Hella, "Design and Modeling of Blue-Enhanced and Bandwidth-Extended PN Photodiode in Standard CMOS Technology," in IEEE Transactions on Electron Devices , vol.PP, no.99, pp.1-8 , July 2017, doi: 10.1109/TED.2017.2700389​

B. Fahs, A. Chowdhury, M. Hella, "A 12-m 2.5-Gb/s Lighting Compatible Integrated Receiver for OOK Visible Light Communication Links," in Journal of Lightwave Technology , vol.PP, no.99, pp.1-1 doi-10.1109/JLT.2016.2587598

B. Fahs, J. Chellis, M. J. Senneca, A. Chowdhury, S. Ray, A. Mirvakili, B. Mazzara, Y. Zhang, J. Ghasemi, Y. Miao, P. Zarkesh-Ha, V. J. Koomson and M. M. Hella, "A 6-m OOK VLC Link Using CMOS-Compatible p-n Photodiode and Red LED," in IEEE Photonics Technology Letters, vol. 28, no. 24, pp. 2846-2849, Dec.15, 15 2016. doi: 10.1109/LPT.2016.2623558

Asif Chowdhury, S. Krishnamurthy, A. Aboketaf, J. Phang, L. Popova, M. Zhang, J. Ayala, Y. Bian, M. Rakowski, F. Afzal, T. Hirokawa, W. S. Lee, J. Holt, M. Sorbara, V. Dhrugude, C. Hedges, F. Pavlik, S. Senger, K. McLean, A. Stricker, R. Sporer, K. Nummy, D. Riggs, R. Augur, W. Lin, J. G. Lee, V. Gupta, E. H. Lim, K. Giewont, T. Letavic, and J. Pellerin "High Performance Avalanche Photodiode in a Monolithic Silicon Photonics Technology", OFC, 2022, Accepted and to be presented on March 09, 2022

Xing Tong, Mona Hella, Asif Chowdhury, "A Two-Step Resolution-Reconfigurable Time-to-Digital Converter Using SAR ADC," 2021 IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), 2021, pp. 579-582.

Y. Bian, C. Meagher, K. Nummy, S. Chandran, W. Lee, A. Aboketaf, D. Ma, R. Sporer, M. Rakowski, N. Yuksek, M. Esopi, B. Peng, Y. Liu, A. Thomas, T. Barwicz, T. Hirokawa, J. Ayala, A. Sahin, A. Stricker, S. Krishnamurthy, S. Hu, Z. Sowinski, K. Mclean, L. Medina, K. Dezfulian, M. Zhang, M. Nafari, Z. Jia, K. Mishra, Asif Chowdhury, J. Viegas, R. Augur, D. Riggs, L. Lee, W. Lin, A. Jacob, V. Gupta, A. Yu, K. Giewont, T. Letavic, J. Pellerin, "Monolithically Integrated Silicon Nitride Platform" OFC, 2021, poster presented, 10 June, 2021

Y. Bian, C. Meagher, K. Nummy, S. Chandran, W. Lee, A. Aboketaf, D. Ma, R. Sporer, M. Rakowski, N. Yuksek, M. Esopi, B. Peng, Y. Liu, A. Thomas, T. Barwicz, T. Hirokawa, J. Ayala, A. Sahin, A. Stricker, S. Krishnamurthy, S. Hu, Z. Sowinski, K. Mclean, L. Medina, K. Dezfulian, M. Zhang, M. Nafari, Z. Jia, K. Mishra, Asif Chowdhury, J. Viegas, R. Augur, D. Riggs, L. Lee, W. Lin, A. Jacob, V. Gupta, A. Yu, K. Giewont, T. Letavic, J. Pellerin, "Integrated Laser Attach Technology on a Monolithic Silicon Photonics Platform," 2021 IEEE 71st Electronic Components and Technology Conference (ECTC), 2021, pp. 237-244.

Y. Bian, A. Jacob, M. Rakowski, R. Sporer, T. Hirokawa, W. S. Lee, Asif Chowdhury, A. Thomas, B. Peng, A. Aboketaf, J. Ayala, R. Augur, K. Giewont, J. Pellerin, "3D silicon photonic interconnects and integrated circuits based on phase matching," 2021 IEEE 71st Electronic Components and Technology Conference (ECTC), 2021, pp. 2279-2284.

A. Chowdhury, R. F. Karlicek and M. M. Hella, "A Monolithically Integrated Time-of-Flight Sensor with Large Area Silicon Avalanche Photodiode," 2019 IEEE 62nd International Midwest Symposium on Circuits and Systems (MWSCAS), Dallas, TX, USA, 2019, pp. 1203-1206.

S. Ray, A. Chowdhury and M. M. Hella, "Enhancing the Stability of Broadband Amplifiers Using Third Order Nested Feedback," 2018 IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, 2018, pp. 1-4.

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, 2017, pp. 663-666.

S. Nezhadbadeh, J. Ghasemi, A. Neumann, A. Chowdhury, B. Fahs, M. Hella, Steven R. J. Brueck, and Payman Zarkesh-Ha, “Characterization and Optimization of Blue-Enhanced Honeycomb Optical Sensor”, in SENSORS, 2017 IEEE, 2017, pp. 1–3.

B. Fahs, A. Chowdhury, Y. Zhang, J. Ghasemi, C. Hitchcock, Payman Zarkesh-Ha and M. Hella, “Blue-enhanced and bandwidth-extended photodiode in standard 0.35-pm CMOS,” in SENSORS, 2016 IEEE, 2016, pp. 1–3. doi: 10.1109/ICSENS.2016.7808485

B. Fahs, A. Chowdhury and M. M. Hella, "A digitally tunable stabilization technique for transimpedance amplifiers in optical wireless and visible light communication links," 2016 14th IEEE International New Circuits and Systems Conference (NEWCAS), Vancouver, BC, Canada, 2016, pp. 1-4 doi: 10.1109/NEWCAS.2016.7604743

B. Fahs, A. Chowdhury and M. M. Hella, "A 1.8 Gb/s fully integrated optical receiver for OOK visible light communication in 0.35 μm CMOS," 2016 IEEE International Symposium on Circuits and Systems (ISCAS), Montreal, QC, 2016, pp. 934-937 doi: 10.1109/ISCAS.2016.7527395

J. Ghasemi, A. Chowdhury, A. Neumann, B. Fahs, M. Hella, Steven R. J. Brueck, and Payman Zarkesh-Ha, “A Novel Blue-Enhanced Photodetector using Honeycomb Structure” IEEE Sensors, 2015, vol., no., pp.1-3, 1-4 Nov. 2015 doi: 10.1109/ICSENS.2015.7370557

A. Chowdhury, M. S. Rizwan, S. J. Nibir and M. R. A. Siddique, "A new leakage reduction method for ultra low power VLSI design for portable devices," Power, Control and Embedded Systems (ICPCES), 2012 2nd International Conference on, Allahabad, 2012, pp. 1-4 doi: 10.1109/ICPCES.2012.6508074

A. Chowdhury, M.S. Rizwan, M.S. Islam, “An Efficient Approach to Low-Leakage Power VLSI Design using Variable Body Biasing.” International Conference on Electrical, Computer, Electronics and Communication Engineering (ICECECE), Venice, Italy, issue 64, pp. 263-267, 11-13 Apr. 2012.

Advanced Sensing by integrating Visible Light Communication with Time of flight technology, Authors - Asif Jahangir Chowdhury, Mona M. Hella, Presented in ​Center for Light Enabled Systems and Application (LESA) Industry-Academia day 2018

A VLC Compliant 12-meter 2.5 Gb/s Fully Integrated 2x2 Receiver Array, Authors - Bassem Fahs, Asif Jahangir Chowdhury, Mona M. Hella, Presented in LESA Site visit 2016

A Fully Integrated 2x2 Imaging Receiver Array for VLC Applications, Authors - Bassem Fahs, Asif Jahangir Chowdhury, Mona M. Hella, Presented in LESA Industry-Academia day 2016

Highly Linear Multi-Gbps Optical Receivers for Visible Light Communication, Authors - Sagar Ray, Mona M. Hella, Presented in Smart Lighting Site visit 2015