Issued Patents All Time
Showing 76–100 of 110 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8571423 | Receiver algorithms for coherent detection of polarization-multiplexed optical signals | — | 2013-10-29 |
| 8548291 | Optical amplifier for multi-core optical fiber | Christopher Doerr | 2013-10-01 |
| 8526831 | Receiver algorithms for coherent detection of polarization-multiplexed optical signals | — | 2013-09-03 |
| 8509581 | Optical fibers with tubular optical cores | Christopher Doerr | 2013-08-13 |
| 8503845 | Multi-core optical fiber and optical communication systems | Christopher Doerr | 2013-08-06 |
| 8457216 | Communication via a multimode constellation | — | 2013-06-04 |
| 8355638 | Receiver for optical transverse-mode-multiplexed signals | Rene-Jean Essiambre, Roland Ryf | 2013-01-15 |
| 8320769 | Transverse-mode multiplexing for optical communication systems | Rene-Jean Essiambre, Roland Ryf | 2012-11-27 |
| 8295714 | Receiver algorithms for coherent detection of polarization-multiplexed optical signals | — | 2012-10-23 |
| 8155534 | Optical modulator for higher-order modulation | — | 2012-04-10 |
| 7929813 | QAM optical modulators | Christopher Doerr | 2011-04-19 |
| 7782520 | Duobinary modulation with a lumped-element Mach-Zehnder device | Andrew Adamiecki, Sethumadhavan Chandrasekhar, Christopher Doerr, David Nielson | 2010-08-24 |
| 7733562 | Optical equalization of multi-level symbol constellations | Christopher Doerr, Alan H. Gnauck, Gregory Raybon | 2010-06-08 |
| 7636501 | QAM optical modulators | Christopher Doerr | 2009-12-22 |
| 7613125 | Method and apparatus for temporal alignment of multiple parallel data streams | Franz Fidler, Praveen Reddy Kasireddy | 2009-11-03 |
| 7590355 | Method and apparatus for PMD mitigation in optical communication systems | Robert Meachem Jopson, Herwig Werner Kogelnik | 2009-09-15 |
| 7561807 | Use of beacons in a WDM communication system | Christopher Doerr | 2009-07-14 |
| 7529481 | Linear optical sampling methods and apparatus | Christopher Doerr, Christophe Dorrer, Daniel Kilper, Michael G. Raymer, Howard R. Stuart | 2009-05-05 |
| 7515543 | Packet reorder resolution in a load-balanced network architecture | Harsha Nagesh, Viswanath Poosala, Sudipta Sengupta | 2009-04-07 |
| 7508577 | Method and system for suppressing ASE noise | Andreas Benz, Bernd Teichmann | 2009-03-24 |
| 7477852 | Optical receiver apparatus and method | Anjali Agarwal, Andreas Benz, Sethumadhavan Chandrasekhar | 2009-01-13 |
| 7474860 | Optimum sample spacing in over-sampled maximum likelihood sequence estimation receivers | Rene-Jean Essiambre, Michael Rubsamen | 2009-01-06 |
| 7450863 | Optical receiver for wavelength-division-multiplexed signals | — | 2008-11-11 |
| 7440404 | Load balancing method and apparatus for ethernet over SONET and other types of networks | Harsha Nagesh, Viswanath Poosala, Dimitrios Stiliadis, Martin Zirngibl | 2008-10-21 |
| 7433549 | Optical modulator | Christopher Doerr | 2008-10-07 |