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Class Information
Number: 398/160
Name: Optical communications > Transmitter and receiver system > Including compensation > Using optical amplifier
Description: Subject matter including an opti cal amplifier which compensates an error by increasing or decreasing amplitude of the information signal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7606488 |
Wavelength-division-multiplexing optical transmission system and control method thereof |
Oct. 20, 2009 |
| 7580640 |
Method and apparatus for extracting optical clock signal |
Aug. 25, 2009 |
| 7574138 |
Dynamic control of the level of degradation of optical signals in a transparent optical communication network |
Aug. 11, 2009 |
| 7555220 |
Chromatic dispersion compensator (CDC) in a photonic integrated circuit (PIC) chip and method of operation |
Jun. 30, 2009 |
| 7551857 |
Optical transmission system |
Jun. 23, 2009 |
| 7522842 |
Optical transmission system using Raman amplification |
Apr. 21, 2009 |
| 7512343 |
Bidirectional communication system |
Mar. 31, 2009 |
| 7509055 |
Optical transmission system with automatic signal level adjustment and startup functions |
Mar. 24, 2009 |
| 7496296 |
Optical transmission path monitoring system, monitoring apparatus therefor and monitoring method therefor |
Feb. 24, 2009 |
| 7486892 |
Multiport optical amplifier with narrowcast power equalization |
Feb. 3, 2009 |
| 7483639 |
Method and system for transmitting information in an optical communication system using distributed amplification |
Jan. 27, 2009 |
| 7436583 |
Optical amplification fiber, optical amplifier module, optical communication system and optical amplifying method |
Oct. 14, 2008 |
| 7414780 |
All-fiber chirped pulse amplification systems |
Aug. 19, 2008 |
| 7394995 |
System and method for a compact optical receiver with wide dynamic range |
Jul. 1, 2008 |
| 7373091 |
Multicasting optical switch fabric and method of detection based on novel heterodyne receiver |
May. 13, 2008 |
| 7366416 |
Hub for a passive optical network hub |
Apr. 29, 2008 |
| 7343102 |
Optical transmission system with automatic signal level adjustment and startup functions |
Mar. 11, 2008 |
| 7319817 |
System for transparent node for WDM shared "virtual ring" networks |
Jan. 15, 2008 |
| 7295782 |
Control method and optical data transmission path for compensating changes in SRS-induced power exchange |
Nov. 13, 2007 |
| 7280762 |
Optical communication system having dynamic gain equalization |
Oct. 9, 2007 |
| 7274880 |
Raman assisted EDFA system and method |
Sep. 25, 2007 |
| 7272325 |
Optical transmission system for substantially equalizing the output signal level among frequency bands and substantially lowering the signal-to-noise ratio |
Sep. 18, 2007 |
| 7263296 |
Optical transmission system using in-line amplifiers |
Aug. 28, 2007 |
| 7254333 |
Low-cost WDM terminal device accommodating plurality of client signal |
Aug. 7, 2007 |
| 7254334 |
Multiplex optical communication system |
Aug. 7, 2007 |
| 7242864 |
Technique for power control in optical networks |
Jul. 10, 2007 |
| 7228076 |
Method for remodulation of a modulated optical signal and device for remodulation and transmission system |
Jun. 5, 2007 |
| 7215463 |
Optical transmission systems including optical amplifiers and methods of use therein |
May. 8, 2007 |
| 7206512 |
Method of controlling optical wavelength division multiplexing transmission apparatus |
Apr. 17, 2007 |
| 7197245 |
System and method for managing system margin |
Mar. 27, 2007 |
| 7194210 |
Wavelength division multiplexing optical transmission equipment and method of amplifying optical wavelength division multiplexed signals |
Mar. 20, 2007 |
| 7177541 |
OSNR monitoring method and apparatus for the optical networks |
Feb. 13, 2007 |
| 7158698 |
Module for amplifying signal light with remote excitation-light and optical-fiber communication system including the same |
Jan. 2, 2007 |
| 7139489 |
System and method of dispersion compensation in optical communication systems |
Nov. 21, 2006 |
| 7139453 |
Variable dispersion compensator utilizing wavelength conversion |
Nov. 21, 2006 |
| 7133611 |
Main signal controlling apparatus and method in a WDM optical communications system |
Nov. 7, 2006 |
| 7127173 |
Method of adjusting power for a wavelength-division multiplexed optical transmission system |
Oct. 24, 2006 |
| 7116908 |
Optical transmission system for substantially equalizing the output signal level among frequency bands and substantially lowering the signal-to-noise ratio |
Oct. 3, 2006 |
| 7099593 |
Self-synchronization of an optical packet network using seed pulses extracted from within the packets |
Aug. 29, 2006 |
| 7095961 |
Optical communication system and optical receiver |
Aug. 22, 2006 |
| 7092636 |
Optical network employing erbium-doped fiber amplifiers |
Aug. 15, 2006 |
| 7092638 |
Optical multiplex communication system, optical transmission apparatus, and control method of optical multiplex communication |
Aug. 15, 2006 |
| 7076172 |
Waveguide fiber for noise suppression |
Jul. 11, 2006 |
| 7068943 |
Devices and methods for dynamic dispersion compensation |
Jun. 27, 2006 |
| 7046429 |
Method and system for span optical power control |
May. 16, 2006 |
| 7046426 |
Method for determining locations and gain settings of amplifiers in an optical network |
May. 16, 2006 |
| 7038837 |
Method for determining location and gain settings of amplifiers in an optical network by using a genetic algorithm |
May. 2, 2006 |
| 7031618 |
Optical transmission system in which gains in gain bands are remotely controlled by transmitting tone signals having variable characteristics |
Apr. 18, 2006 |
| 7023611 |
Optical equalization with beam counter-propagation |
Apr. 4, 2006 |
| 7024059 |
Optoelectronic receiver and method of signal adjustment |
Apr. 4, 2006 |
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