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Class Information
Number: 398/149
Name: Optical communications > Transmitter and receiver system > Including optical waveguide > Dispersion compensation > Using equalizing filter (e.g., interferometer, grating)
Description: Subject matter wherein optical filter is used for compensation purpose.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7603045 |
Method and system for automatic feedback control for fine tuning a delay interferometer |
Oct. 13, 2009 |
| 7590356 |
Variable dispersion compensator |
Sep. 15, 2009 |
| 7577365 |
Optical pulse regeneration device, installation comprising one such device and use of same |
Aug. 18, 2009 |
| 7555220 |
Chromatic dispersion compensator (CDC) in a photonic integrated circuit (PIC) chip and method of operation |
Jun. 30, 2009 |
| 7542679 |
Optical transmission systems, devices, and method |
Jun. 2, 2009 |
| 7515833 |
Optical double sideband modulation technique with increased spectral efficiency |
Apr. 7, 2009 |
| 7512344 |
Variable dispersion compensator |
Mar. 31, 2009 |
| 7502565 |
Circuit for filtering a laser signal |
Mar. 10, 2009 |
| 7495832 |
Light dispersion filter and optical module |
Feb. 24, 2009 |
| 7496298 |
Adaptive optical equalization for chromatic and/or polarization mode dispersion compensation and joint opto-electronic equalizer architecture |
Feb. 24, 2009 |
| 7477848 |
Optical receiving apparatus and method for controlling the optical receiving apparatus |
Jan. 13, 2009 |
| 7474860 |
Optimum sample spacing in over-sampled maximum likelihood sequence estimation receivers |
Jan. 6, 2009 |
| 7447434 |
Optical transmission systems, devices, and method |
Nov. 4, 2008 |
| 7447441 |
Signal transmission apparatus and a method of signal transmission |
Nov. 4, 2008 |
| 7437083 |
Wavelength converter |
Oct. 14, 2008 |
| 7424226 |
Optical code division multiplexing communication method and system |
Sep. 9, 2008 |
| 7418212 |
Electrical detection of optical symbols |
Aug. 26, 2008 |
| 7418206 |
Control method of wavelength dispersion compensator, and wavelength dispersion compensator |
Aug. 26, 2008 |
| 7394986 |
Flat top optical filtering component |
Jul. 1, 2008 |
| 7389047 |
Optical ring transmission network |
Jun. 17, 2008 |
| 7385754 |
Efficient wavelength referencing in a combined optical amplifier-optical channel monitor apparatus |
Jun. 10, 2008 |
| 7379677 |
Method of wavelength conversion and wavelength converter |
May. 27, 2008 |
| 7369777 |
Method and apparatus for automatically adjusting the optical power directed to a dispersion compensating element |
May. 6, 2008 |
| 7352971 |
Broadband control of polarization mode dispersion |
Apr. 1, 2008 |
| 7340187 |
Optical signal monitoring method and apparatus |
Mar. 4, 2008 |
| 7327956 |
Method and apparatus for mitigating intersymbol interference from optical filtering |
Feb. 5, 2008 |
| 7324758 |
Optical dispersion monitoring apparatus and optical dispersion monitoring method, and optical transmission system using same |
Jan. 29, 2008 |
| 7319823 |
Modulation scheme and transmission system for NRZ signals with left and right side filtering |
Jan. 15, 2008 |
| 7315575 |
Equalization strategy for dual-polarization optical transport system |
Jan. 1, 2008 |
| 7302192 |
Methods of spread-pulse modulation and nonlinear time domain equalization for fiber optic communication channels |
Nov. 27, 2007 |
| 7289739 |
Polarization mode dispersion controller device and method for its operation |
Oct. 30, 2007 |
| 7263296 |
Optical transmission system using in-line amplifiers |
Aug. 28, 2007 |
| 7251396 |
Device for tailoring the chromatic dispersion of a light signal |
Jul. 31, 2007 |
| 7221872 |
On-line dispersion compensation device for a wavelength division optical transmission system |
May. 22, 2007 |
| 7218808 |
Equalizer circuit for a light source |
May. 15, 2007 |
| 7203400 |
Dispersion compensating waveguide circuit |
Apr. 10, 2007 |
| 7187873 |
Compensation of polarization mode dispersion in single mode fiber for maximum-likelihood sequence estimation |
Mar. 6, 2007 |
| 7184627 |
Optical waveguide grating coupler incorporating reflective optical elements and anti-reflection elements |
Feb. 27, 2007 |
| 7184665 |
Tunable dispersion compensator |
Feb. 27, 2007 |
| 7181145 |
Optical communication multiplex device for vehicle and communication method using same |
Feb. 20, 2007 |
| 7177545 |
Optical filter and transmission system incorporating an optical filter |
Feb. 13, 2007 |
| 7167649 |
Dense wavelength division multiplexing-passive optical network system utilizing self-injection locking of Fabry-Perot laser diodes |
Jan. 23, 2007 |
| 7167647 |
Wavelength division multiplexing optical performance monitors |
Jan. 23, 2007 |
| 7151898 |
Deterministic first and second order polarization mode dispersion compensator |
Dec. 19, 2006 |
| 7146107 |
Method and apparatus for adjusting filter device |
Dec. 5, 2006 |
| 7123841 |
Optical transmission system |
Oct. 17, 2006 |
| 7120361 |
Wavelength tunable multiplexing and demultiplexing filter device and wavelength routing device |
Oct. 10, 2006 |
| 7110683 |
Compensation of polarization mode dispersion in single mode fiber for maximum-likelihood sequence estimation |
Sep. 19, 2006 |
| 7106970 |
Polarization scrambler and optical network using the same |
Sep. 12, 2006 |
| 7082268 |
Method and system for 80 and 160 gigabit-per-second QRZ transmission in 100 GHz optical bandwidth with enhanced receiver performance |
Jul. 25, 2006 |
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