Issued Patents All Time
Showing 25 most recent of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11736204 | Individually routable subcarriers | Kuang-Tsan Wu | 2023-08-22 |
| 11728899 | Individually routable subcarriers | Kuang-Tsan Wu | 2023-08-15 |
| 11362738 | Individually routable digital subcarriers | Kuang-Tsan Wu | 2022-06-14 |
| 11251897 | External network to network interface and optical express power controls | Omer F. Yilmaz, Stephane St-Laurent, Steve Sanders | 2022-02-15 |
| 10742328 | Individually routable digital subcarriers | Kuang-Tsan Wu | 2020-08-11 |
| 10735092 | System architecture for power control in an optical transmission line | Omer F. Yilmaz, Stephane St-Laurent, Steve Sanders | 2020-08-04 |
| 10727936 | Method of control for the maintenance of the optical power in a ROADM network | Omer F. Yilmaz, Stephane St-Laurent, Steve Sanders | 2020-07-28 |
| 10070206 | Reduction of wavelength selective switch (WSS) filter-based impairment using differentiated channel modulation formats | — | 2018-09-04 |
| 9929826 | Reduction of wavelength selective switch (WSS) filter-based impairment using differentiated channel baud rates | — | 2018-03-27 |
| 9735913 | Reduction of wavelength selective switch (WSS) filter-based impairment using selective subcarrier adjustment | — | 2017-08-15 |
| 9661407 | Reduction of wavelength selective switch (WSS) filter-based impairment using multi-channel forward error correction averaging via interleaving | — | 2017-05-23 |
| 9660752 | Wavelength selective switch (WSS) based multiplexing architecture | — | 2017-05-23 |
| 9485012 | Optical link protection using common modulation of multiple combined wavelengths | Jeffrey T. Rahn | 2016-11-01 |
| 9172467 | Raman pump circuit | Mehrdad Ziari, Scott Corzine, Masaki Kato, Michael Francis Van Leeuwen, Radhakrishnan L. Nagarajan +1 more | 2015-10-27 |
| 9099833 | Multiplexer having ASE suppression | Zhong Pan, Michael Francis Van Leeuwen | 2015-08-04 |
| 8964284 | Banded semiconductor optical amplifier | Mehrdad Ziari, Scott Corzine, Masaki Kato, Michael Francis Van Leeuwen, Radhakrishnan L. Nagarajan +1 more | 2015-02-24 |
| 8873964 | Optical autodiscovery for automated logical and physical connectivity check between optical modules | Robert B. Taylor, Alan C. Nilsson, Steven Joseph Hand, Daniel P. Murphy | 2014-10-28 |
| 8861977 | Multiplexer and modulation arrangements for multi-carrier optical modems | John D. McNicol, David F. Welch | 2014-10-14 |
| 8750722 | Upgradable WDM system | Vinayak Dangui | 2014-06-10 |
| 8494369 | Planar lightwave circuit | Michael Francis Van Leeuwen | 2013-07-23 |
| 8300994 | Transmitter photonic integrated circuit (TxPIC) chip | David F. Welch, Vincent G. Dominic, Fred A. Kish, Jr., Mark J. Missey, Radhakrishnan L. Nagarajan +9 more | 2012-10-30 |
| 8064771 | Active control loop for power control of optical channel groups | Robert B. Taylor, Vincent G. Dominic, Alan C. Nilsson | 2011-11-22 |
| 7885492 | Transmitter photonic integrated circuit (TxPIC) chips | David F. Welch, Vincent G. Dominic, Fred A. Kish, Jr., Mark J. Missey, Radhakrishnan L. Nagarajan +9 more | 2011-02-08 |
| 7881612 | Optical autodiscovery for automated logical and physical connectivity check between optical modules | Robert B. Taylor, Alan C. Nilsson, Steven Joseph Hand, Daniel P. Murphy | 2011-02-01 |
| 7773837 | Monolithic transmitter photonic integrated circuit (TXPIC) with a transversely disposed output | David F. Welch, Vincent G. Dominic, Fred A. Kish, Jr., Mark J. Missey, Radhakrishnan L. Nagarajan +9 more | 2010-08-10 |