Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7274879 | Compensation of temperature-induced dispersion drift in optical communication links | Howard M. Sandler | 2007-09-25 |
| 7200339 | Method and apparatus for laser line-width compensation | Kim B. Roberts | 2007-04-03 |
| 7155128 | Decorrelation of WDM signals | Kim B. Roberts, Wolfgang Oberhammer, Roland A. Smith | 2006-12-26 |
| 7023601 | Optical E-field modulation using a Mach-Zehnder interferometer | Douglas McGhan, Yves Beaulieu | 2006-04-04 |
| 6751414 | Circuit and channel assignment plan for optical transmissions | Fiona Davies, Nigel Jolley, Kevan Peter Jones, Robert W. Keys | 2004-06-15 |
| 6687009 | Method and apparatus for high resolution monitoring of optical signals | Rongqing Hui | 2004-02-03 |
| 6687464 | Optimization of a communications system based on identification of an optical medium | Kim B. Roberts, Paul Warren, Les Chan | 2004-02-03 |
| 6650673 | Generation of short optical pulses using strongly complex coupled DFB lasers | Jin Hong, Rongqing Hui | 2003-11-18 |
| 6493088 | Method and apparatus for high resolution monitoring of optical signals | Rongqing Hui | 2002-12-10 |
| 6486990 | Method and apparatus for communicating a clock signal in a soliton optical transmission system | Kim B. Roberts, Hanan Anis | 2002-11-26 |
| 6473214 | Methods of and apparatus for optical signal transmission | Kim B. Roberts, Richard Habel | 2002-10-29 |
| 6438148 | Method and device for encoding data into high speed optical train | Rongqing Hui, Jin Hong | 2002-08-20 |
| 6124960 | Transmission system with cross-phase modulation compensation | Dietmar Garthe, Ross Saunders, Alan Robinson, Rongqing Hui | 2000-09-26 |
| 6101012 | Optical add/drop multiplexer/demultiplexer | David John Danagher, Alan Glen Solheim, Richard A. Habel, Kim B. Roberts, Duncan Forbes +6 more | 2000-08-08 |
| 6101016 | Optical transmission systems using optical amplifiers and wavelength division multiplexing | Kim B. Roberts, Gregory Dean May | 2000-08-08 |
| 6067179 | Optical transmission systems using optical amplifiers and wavelength division multiplexing | Kim B. Roberts, Gregory Dean May | 2000-05-23 |
| 6064501 | Method of determining optical amplifier failures | Kim B. Roberts, Richard A. Habel, Christopher Brendan Kennedy | 2000-05-16 |
| 5959749 | Optical add/drop multiplexer/demultiplexer | David John Danagher, Alan Glen Solheim, Richard A. Habel, Kim B. Roberts, Duncan Forbes +6 more | 1999-09-28 |
| 5892858 | Duobinary coding and modulation technique for optical communication systems | Mazoud Vaziri, Terry W. B. Taraschuk, Alan Glen Solheim, Kim B. Roberts | 1999-04-06 |
| 5859716 | Self-stimulation signal detection in an optical transmission system | Kim B. Roberts, James Harley, Jeffrey Alan Weslowski | 1999-01-12 |
| 5822094 | Self-stimulation signal detection in an optical transmission system | Kim B. Roberts, James Harley, Jeffrey Alan Weslowski | 1998-10-13 |
| 5801858 | Optical transmission systems using optical amplifiers and wavelength division multiplexing | Kim B. Roberts, Gregory Dean May | 1998-09-01 |
| 5774242 | Eye mask for measurement of distortion in optical transmission systems | Rongqing Hui, Jingyu Zhou | 1998-06-30 |
| 5636301 | Optical waveguide amplifiers | Jonathan King, Andrew Robinson | 1997-06-03 |
| 4983024 | Optical phase to amplitude demodulation | Simon Andrew Boothroyd, Jacek Chrostowski | 1991-01-08 |