Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9709741 | Inverse taper waveguides for low-loss mode converters | Li Yang, Huapu Pan, Qianfan Xu, Dawei Zheng | 2017-07-18 |
| 9696567 | Interdigitated optical modulator | Dawei Zheng, Hongbing Lei, Qianfan Xu, Yusheng Bai | 2017-07-04 |
| 9664979 | Hybrid integration using folded Mach-Zehnder modulator array block | Chunlei Liao, Morgan Chen, Yu Sheng Bai | 2017-05-30 |
| 9632281 | Free space grating coupler | Rongsheng Miao, Zongrong Liu, Qianfan Xu | 2017-04-25 |
| 9577408 | Tunable laser with high thermal wavelength tuning efficiency | Hongmin Chen, Xuejin Yan, Rongsheng Miao, Zongrong Liu | 2017-02-21 |
| 9531478 | Digital optical modulator for programmable n-quadrature amplitude modulation generation | Xueyan Zheng, Dawei Zheng, Morgan Chen, Hongbing Lei | 2016-12-27 |
| 9531472 | Coherent waveform conversion in optical networks | Zhuhong Zhang, Chuandong Li, Dominic John Goodwill, Lewei Zhang, Hongyan Fu | 2016-12-27 |
| 9523870 | Vertical PN silicon modulator | Hongzhen Wei, Li Yang, Qianfan Xu | 2016-12-20 |
| 9507180 | Patterned poly silicon structure as top electric contact to MOS-type optical modulators | Qianfan Xu, Hongmin Chen | 2016-11-29 |
| 9477134 | Hybrid integration using folded Mach-Zehnder modulator array block | Chunlei Liao, Morgan Chen, Yusheng Bai | 2016-10-25 |
| 9429710 | Silicon waveguide having polarization insensitive and temperature insensitive phase delay | Hongzhen Wei | 2016-08-30 |
| 9374260 | Method and apparatus for directly detected optical transmission systems based on carrierless amplitude-phase modulation | Yangjing Wen, Yusheng Bai | 2016-06-21 |
| 9244227 | Polarization splitter/combiner based on a one-dimensional grating coupler | Qianfan Xu | 2016-01-26 |
| 9231361 | Tunable laser with high thermal wavelength tuning efficiency | Hongmin Chen, Xuejin Yan, Rongsheng Miao, Zongrong Liu | 2016-01-05 |
| 9209603 | Laser with full C-band tunability and narrow linewidth | Hongmin Chen, Hongbing Lei | 2015-12-08 |
| 9071363 | Optical transmitters with unbalanced optical sidebands separated by gaps | Yangjing Wen, Chunlei Liao, Yusheng Bai | 2015-06-30 |
| 9036669 | Obtaining narrow line-width, full C-band tunability mirror for monolithic or hybrid integrated lasers | Hongmin Chen, Hongbing Lei | 2015-05-19 |
| 8964805 | Thermally optimized mechanical interface for hybrid integrated wavelength division multiplexed arrayed transmitter | Yu Sheng Bai | 2015-02-24 |
| 8934787 | Shared wavelength locker with a periodic transmission filter in a network communication path | Tongqing Wang, Hongbing Lie, Yu Sheng Bai | 2015-01-13 |
| 8781327 | Use of multiple shared wavelength lockers to stabilize transponders in a wavelength division multiplexing (WDM) network | Hongbing Lei, Yu Sheng Bai | 2014-07-15 |
| 8611750 | Wavelength locker for simultaneous control of multiple dense wavelength division multiplexing transmitters | Hongbing Lei, Yu Sheng Bai | 2013-12-17 |
| 8337096 | Efficient thermoelectric cooling of photonic integrated circuits | Hongbing Lei, Yu Sheng Bai | 2012-12-25 |
| 8285151 | Method and system for hybrid integrated 1XN DWDM transmitter | Yu Sheng Bai | 2012-10-09 |
| 8050525 | Method and system for grating taps for monitoring a DWDM transmitter array integrated on a PLC platform | Yu Sheng Bai | 2011-11-01 |
| 7801445 | Method and apparatus for DWDM line card | Yu Sheng Bai | 2010-09-21 |