Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12328147 | System, apparatus and method for optical intensity modulation with direct detection using local oscillator | Christian Malouin, Jin Hong | 2025-06-10 |
| 11609323 | Ultra-wideband ground penetrating radar control system | Zhikuang Cai, Xuanchen Qi, Ji WANG, Jian Xiao, Yufeng Guo | 2023-03-21 |
| 11474298 | 2×2 optical unitary matrix multiplier | — | 2022-10-18 |
| 11309871 | Narrow pulse generation circuit used in sequential equivalent sampling system | Zhikuang Cai, Xuanchen Qi, Guowei Shi, Jian Xiao, Yufeng Guo | 2022-04-19 |
| 11251876 | Optical analog matrix multiplier for optical neural networks | Amir Khosrowshahi, Casimir Matthew WIERZYNSKI | 2022-02-15 |
| 10718906 | Optical device using waveguide segments tapered according to a non-linear function | — | 2020-07-21 |
| 10591671 | Low back-reflection taper coupler | Kimchau Nguyen | 2020-03-17 |
| 10197737 | Low back reflection echelle grating | — | 2019-02-05 |
| 9395494 | Optical device using echelle grating that provides total internal reflection of light | Mahesh Krishnamurthi, I-Wei Andy Hsieh, Haisheng Rong, Oshrit Harel, Harel Frish +1 more | 2016-07-19 |
| 9250388 | Optical device using echelle grating that provides total internal reflection of light | Mahesh Krishnamurthi, I-Wei Andy Hsieh, Haisheng Rong, Oshrit Harel, Harel Frish +1 more | 2016-02-02 |
| 8137572 | Reflective planar lightwave circuit waveguide | Hongzhen Wei, Ray Liang, Ted Chen, Jacob Sun | 2012-03-20 |
| 7933478 | Reflective planar lightwave circuit waveguide | Hongzhen Wei, Ray Liang, Ted Chen, Jacob Sun | 2011-04-26 |
| 7840104 | Ultra-wide band AWG multiplexer | Saurav Das, Boris Grek | 2010-11-23 |
| 7805037 | Multiplexer having improved efficiency | Frederik Marcel Van Der Vliet, Joan Fong, Dazeng Feng | 2010-09-28 |
| 7267780 | Formation of facets on optical components | Chi-Jung Wu | 2007-09-11 |
| 7113704 | Tunable add/drop node for optical network | — | 2006-09-26 |
| 6980740 | Apparatus for detecting raman gain in an optical transmission system | Nathan Myron Denkin, Fatimah Shehadeh | 2005-12-27 |
| 6853773 | Tunable filter | — | 2005-02-08 |
| 6853797 | Compact optical equalizer | — | 2005-02-08 |
| 6810168 | Tunable add/drop node | Dazeng Feng, Xiaoming Yin | 2004-10-26 |
| 6782203 | Scalable optical demultiplexing arrangement for wide band dense wavelength division multiplexed systems | Tek-Ming Shen | 2004-08-24 |
| 6714704 | Optical component having selected bandwidth | Jen-yu Fan | 2004-03-30 |
| 6674929 | Tunable optical filter | Dazeng Feng | 2004-01-06 |
| 6614567 | Apparatus and method for upgrading the capacity of wavelength division multiplexed optical networks | Daniel Al-Salameh | 2003-09-02 |
| 6614951 | Optical component having a flat top output | — | 2003-09-02 |