Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9506759 | Energy-efficient optic gyroscope devices | — | 2016-11-29 |
| 9476699 | Measurements of strain, stress and temperature by using 1-dimensional and 2-dimensional distributed fiber-optic sensors based on sensing by polarization maintaining fiber of distributed polarization crosstalk distribution | — | 2016-10-25 |
| 9041935 | Measuring polarization crosstalk in optical birefringent materials and devices based on reduction of line broadening caused by birefringent dispersion | Xiaojun Chen | 2015-05-26 |
| 8787755 | Monitoring polarization-mode dispersion and signal-to-noise ratio in optical signals based on polarization analysis | — | 2014-07-22 |
| 8599385 | Measuring distributed polarization crosstalk in polarization maintaining fiber and optical birefringent material | Xiaojun Chen | 2013-12-03 |
| 8422882 | Monitoring polarization-mode dispersion and signal-to-noise ratio in optical signals based on polarization analysis | — | 2013-04-16 |
| 8345238 | Measuring optical spectral property of light based on polarization analysis | — | 2013-01-01 |
| 8073326 | Optical polarization division multiplexing in optical communication | Lianshan Yan | 2011-12-06 |
| 8000610 | Monitoring mechanisms for optical systems | — | 2011-08-16 |
| 7983314 | Polarization stable lasers | — | 2011-07-19 |
| 7952711 | Waveplate analyzer based on multiple tunable optical polarization rotators | Xiaojun Chen, Lianshan Yan | 2011-05-31 |
| 7945130 | Mode scrambling apparatus for multimode fiber | Lianshan Yan, Lynn Lin, Xiaojun Chen | 2011-05-17 |
| 7723670 | Optical differential group delay module with folded optical path | Lianshan Yan, Xiaojun Chen | 2010-05-25 |
| 7534990 | Compact optical delay devices | — | 2009-05-19 |
| 7466471 | Optical instrument and measurements using multiple tunable optical polarization rotators | — | 2008-12-16 |
| 7391977 | Monitoring mechanisms for optical systems | — | 2008-06-24 |
| 7382962 | Fiber stretcher apparatus | — | 2008-06-03 |
| 7233720 | Devices based on optical waveguides with adjustable Bragg gratings | — | 2007-06-19 |
| 6873631 | Integrated opto-electronic oscillators having optical resonators | Lutfollah Maleki, Vladimir Ilchenko | 2005-03-29 |
| 6836327 | In-line optical polarimeter based on integration of free-space optical elements | — | 2004-12-28 |
| 6795481 | Non-spherical whispering-gallery-mode microcavity | Lutfollah Maleki, Vladimir Ilchenko | 2004-09-21 |
| 6795616 | Control of guided light in a waveguide | — | 2004-09-21 |
| 6687423 | Optical frequency-division multiplexer and demultiplexer | — | 2004-02-03 |
| 6661941 | Frequency locking of tunable lasers by using a birefringent optical cavity | — | 2003-12-09 |
| 6628861 | Control of guided light in waveguide using external adjustable grating | — | 2003-09-30 |