Issued Patents All Time
Showing 26–50 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9391875 | Resource oriented dependency graph for network configuration | Qiong Zhang, Paparao Palacharla, Chengyi Gao, Xi Wang | 2016-07-12 |
| 9372830 | System and method to analyze impairment of optical transmissions due to combined nonlinear and polarization dependent loss | Olga Vassilieva | 2016-06-21 |
| 9344190 | Flexible placement of spectral inverters in optical networks | Inwoong Kim, Olga Vassilieva, Paparao Palacharla | 2016-05-17 |
| 9344194 | System and method for monitoring and control of an optical modulator for an M-QAM transmitter | Inwoong Kim, Olga Vassilieva, Paparao Palacharla | 2016-05-17 |
| 9312914 | Crosstalk reduction in optical networks using variable subcarrier power levels | Olga Vassilieva | 2016-04-12 |
| 9270369 | Correction table for interferometric optical signal-to-noise ratio monitor | Jeng-Yuan Yang, Youichi Akasaka, Takuji Maeda, Hiroki Ooi, Kentaro Nakamura +1 more | 2016-02-23 |
| 9246624 | Low noise optical phase-sensitive amplifier for dual-polarization modulation formats | Jeng-Yuan Yang, Yoichi Akasaka | 2016-01-26 |
| 9197320 | System and method for monitoring polarization-dependent loss | Olga Vassilieva, Inwoong Kim | 2015-11-24 |
| 9197350 | Systems and methods for routing and wavelength assignment for network virtualization | Qiong Zhang, Weisheng Xie, Qingya She, Xi Wang, Paparao Palacharla | 2015-11-24 |
| 9197542 | Systems and methods of network reconfiguration | Qiong Zhang, Paparao Palacharla, Chengyi Gao, Xi Wang | 2015-11-24 |
| 9197323 | Asymmetric compensation of polarization dependent loss in dual-polarization optical systems | Olga Vassilieva, Inwoong Kim, Jeng-Yuan Yang | 2015-11-24 |
| 9154858 | Probability-based regenerator site analysis | Xi Wang, Qiong Zhang, Paparao Palacharla | 2015-10-06 |
| 9112609 | Mitigation of polarization dependent loss in optical multi-carrier/super-channel transmission | Inwoong Kim, Olga Vassilieva, Paparao Palacharla | 2015-08-18 |
| 9112605 | Dual-polarization interferometric optical signal-to-noise ratio monitor | Jeng-Yuan Yang, Youichi Akasaka, Takuji Maeda, Hiroki Ooi, Satoru Okano | 2015-08-18 |
| 9100137 | Crosstalk reduction in optical networks using variable subcarrier spectral allocation | Olga Vassilieva, Takeshi Hoshida | 2015-08-04 |
| 9083485 | Defragmentation of optical networks | Xi Wang, Inwoong Kim, Paparao Palacharla | 2015-07-14 |
| 9042739 | Network management system, repeater, and repeating method | — | 2015-05-26 |
| 9042730 | System and method for compensating signal degradation in dual polarization optical systems | Olga Vassilieva, Inwoong Kim | 2015-05-26 |
| 9030730 | Optical phase-sensitive amplifier for dual-polarization modulation formats | Jeng-Yuan Yang, Yoichi Akasaka | 2015-05-12 |
| 9014559 | Methods for efficient transmission in OTN networks | Qiong Zhang, Paparao Palacharla | 2015-04-21 |
| 8989595 | Mitigation of optical signal to noise ratio degradation arising from polarization dependent loss | Olga Vassilieva, Inwoong Kim | 2015-03-24 |
| 8989581 | Wavelength reassignment in optical networks | Inwoong Kim, Paparao Palacharla, Xi Wang | 2015-03-24 |
| 8989571 | In-band supervisory data modulation using complementary power modulation | Inwoong Kim, Olga Vassilieva, Paparao Palacharla | 2015-03-24 |
| 8983290 | System and method for monitoring a dual-polarization signal using an in-band supervisory signal | Inwoong Kim, Olga Vassilieva, Paparao Palacharla, Jeng-Yuan Yang | 2015-03-17 |
| 8977137 | Polarization dependent loss compensation | Olga Vassilieva, Inwoong Kim | 2015-03-10 |