Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8164831 | Optical depolarizers and DGD generators based on optical delay | Jane Chen, Yongqiang Shi | 2012-04-24 |
| 7796894 | Reduction of noise and polarization mode dispersion (PMD) based on optical polarization stabilizer in fiber transmission | — | 2010-09-14 |
| 7724435 | Importance sampling techniques based on adjustable differential group delay (DGD) elements | Lianshan Yan | 2010-05-25 |
| 7693419 | Optical spectrum analysis using optical interferometry | Xiaojun Chen, Lianshan Yan | 2010-04-06 |
| 7535639 | Optical depolarizers and DGD generators based on optical delay | Jane Chen, Yongqiang Shi | 2009-05-19 |
| 7522785 | Measurements of polarization-dependent loss (PDL) and degree of polarization (DOP) using optical polarization controllers | — | 2009-04-21 |
| 7436569 | Polarization measurement and self-calibration based on multiple tunable optical polarization rotators | Xiaojun Chen, Lianshan Yan | 2008-10-14 |
| 7343100 | Optical communications based on optical polarization multiplexing and demultiplexing | — | 2008-03-11 |
| 7265836 | In-line optical polarimeter using free-space polarization sampling elements | — | 2007-09-04 |
| 7265837 | Sensitive polarization monitoring and controlling | — | 2007-09-04 |
| 7227686 | Tunable PMD emulators and compensators | Lianshan Yan | 2007-06-05 |
| 7218436 | Optical instrument and measurements using multiple tunable optical polarization rotators | — | 2007-05-15 |
| 7157687 | Optical devices with folded optical path designs | — | 2007-01-02 |
| 7154659 | Optical depolarizers and DGD generators based on optical delay | Jane Chen, Yongqiang Shi | 2006-12-26 |
| 7067795 | Methods and systems for dynamic control of polarization of an optical signal | Lianshan Yan, Yongqiang Shi | 2006-06-27 |
| 7027198 | Generation and analysis of state of polarization using tunable optical polarization rotators | — | 2006-04-11 |
| 6975454 | Variable polarization-dependent-loss source | Lianshan Yan | 2005-12-13 |
| RE38809 | Photonic variable delay devices based on optical birefringence | — | 2005-10-04 |
| 6937798 | Optical spectrum monitor | Yongqiang Shi | 2005-08-30 |
| RE38735 | Compact programmable photonic variable delay devices | — | 2005-05-17 |
| 6873783 | Fiber devices with transverse-pressure-controlled squeezers | — | 2005-03-29 |
| 6754404 | Transverse-pressure-controlled fiber devices | — | 2004-06-22 |
| 6628850 | Dynamic wavelength-selective grating modulator | — | 2003-09-30 |
| 6628862 | Thermal-induced waveguide gratings | — | 2003-09-30 |
| 6594061 | Acceleration-insensitive opto-electronic oscillators | Shouhua Huang, Meirong Tu | 2003-07-15 |