Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12242116 | Optical fiber connector device and method | Wei Hou, Lianjun Zhang, Bin Xu | 2025-03-04 |
| D1049019 | Solar power for charging pack | Chang-Soo Lee, Liuwei Mai, Changcheng Ma, Bo Zhao | 2024-10-29 |
| 9874698 | Flat-top tunable filter | Barthelemy Fondeur, Leonid Frenkel, Yimin Hua, David R. Walker, Yu Zhang +1 more | 2018-01-23 |
| 9835928 | Optical N-level quadrature amplitude modulation (NQAM) tuned by dithering associated heaters | Zhong Shi, Na Shan | 2017-12-05 |
| 9285538 | Reducing temperature drift of an arrayed waveguide grating | Barthelemy Fondeur, Wenlin Jin, David J. Chapman, Niki Liu | 2016-03-15 |
| 8983244 | Optical interferometer | Hiroaki Yamada, David J. Chapman, Shanrui Ren | 2015-03-17 |
| 8731400 | Characterizing a frequency channel in an optical network | David R. Walker, Leonid Frenkel, Yu Zhang, Barthelemy Fondeur, Vlatko MILINKOVIC +1 more | 2014-05-20 |
| 8340523 | Tunable optical filter | Jyoti Kiron Bhardwaj, Barthelemy Fondeur, Douglas E. Crafts, Robert J. Brainard, Boping Xie +1 more | 2012-12-25 |
| 8285144 | Optical device for rearranging wavelength channels | Hiroaki Yamada, Barthelemy Fondeur, Zi-Wen Dong, Domenico Di Mola, Jyoti Kiron Bhardwaj +1 more | 2012-10-09 |
| 7952695 | Scanning spectrometer with multiple photodetectors | Douglas E. Crafts, Philip Duggan, James F. Farrell, Barthelemy Fondeur, Eliseo Ranalli | 2011-05-31 |
| 7872735 | Method and apparatus for referencing a MEMS device | Philip Duggan, Douglas E. Crafts | 2011-01-18 |
| 7852475 | Scanning spectrometer with multiple photodetectors | Douglas E. Crafts, Philip Duggan, James F. Farrell, Barthelemy Fondeur, Eliseo Ranalli | 2010-12-14 |
| 7405829 | Apparatus and method for characterizing pulsed optical signals | — | 2008-07-29 |
| 7130505 | Optical performance monitor | — | 2006-10-31 |
| 7106930 | Dynamic optical demultiplexer/multiplexer formed within a PLC | Anca Sala, David J. Dougherty, David Funk, Douglas E. Crafts, Barthelemy Fondeur +1 more | 2006-09-12 |
| 7035505 | Optical performance monitor | Robert R. McLeod, Douglas E. Crafts, Barthelemy Fondeur, Yong Ding, Pang-Chen Sun | 2006-04-25 |
| 6898348 | Spectral power equalizer for wavelength-multiplexed optical fiber communication links | Valentine N. Morozov, Yevgeniy Churin | 2005-05-24 |
| 6678445 | Dynamic gain flattening filter | W. John Tomlinson, Valentine N. Morozov, Yevgeniy Churin, Brian L. Heffner, Long Yang | 2004-01-13 |