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Class Information
Number: 398/196
Name: Optical communications > Transmitter > Including compensation > Including feedback > For wavelength control
Description: Subject matter wherein feedback signal is supplied to a laser or light emitting apparatus for regulating operating wavelength.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7469102 |
Wavelength-division-multiplexing passive optical network utilizing fiber fault detectors and/or wavelength tracking components |
Dec. 23, 2008 |
| 7463832 |
Thermal drift compensation system and method for optical networks |
Dec. 9, 2008 |
| 7447436 |
Optical communications using multiplexed single sideband transmission and heterodyne detection |
Nov. 4, 2008 |
| 7447443 |
Method and system for keeping time alignment between optical data modulation and a periodically modulated light source |
Nov. 4, 2008 |
| 7426350 |
Hybrid optical and electrical fiber optic link linearizer |
Sep. 16, 2008 |
| 7424228 |
High dynamic range radio frequency to optical link |
Sep. 9, 2008 |
| 7421211 |
Light source device |
Sep. 2, 2008 |
| 7403718 |
Modulation phase shift to compensate for optical passband shift |
Jul. 22, 2008 |
| 7398023 |
Method and apparatus for bias and alignment control in an optical signal transmitter |
Jul. 8, 2008 |
| 7398022 |
Optical return-to-zero phase-shift keying with improved transmitters |
Jul. 8, 2008 |
| 7379672 |
Photonic RF distribution system |
May. 27, 2008 |
| 7373091 |
Multicasting optical switch fabric and method of detection based on novel heterodyne receiver |
May. 13, 2008 |
| 7369774 |
Optical frequency controlling device for ultra-dense wavelength-division-multiplexed optical channels |
May. 6, 2008 |
| 7369771 |
Optical network terminator and optical network connection method using it |
May. 6, 2008 |
| 7359648 |
Wavelength tuning optimization of semiconductor lasers |
Apr. 15, 2008 |
| 7340186 |
Discrimination phase margin monitor circuit, transmitting/receiving device and communication system |
Mar. 4, 2008 |
| 7340177 |
WDM optical communication system capable of monitoring temperature |
Mar. 4, 2008 |
| 7330665 |
Optical frequency modulated transmitter |
Feb. 12, 2008 |
| 7327957 |
Wavelength-tunable light source and wavelength-division multiplexed transmission system using the source |
Feb. 5, 2008 |
| 7324760 |
Apparatus and method for phase synchronization control in RZ optical transmitter |
Jan. 29, 2008 |
| 7286771 |
Multi-channel optical transmitter incorporating a tunable optical signal source and method for transmitting a multi-channel optical signal |
Oct. 23, 2007 |
| 7263287 |
Method and apparatus for assessing performance of optical systems |
Aug. 28, 2007 |
| 7257332 |
Optical transmitter and its control method |
Aug. 14, 2007 |
| 7236709 |
Multi-input wavelocker for controlling laser wavelengths of multiple lasers |
Jun. 26, 2007 |
| 7232264 |
Optoelectronic arrangement having a laser component, and a method for controlling the emitted wavelength of a laser component |
Jun. 19, 2007 |
| 7218864 |
Optical wavelength locking apparatus and method for a multi-channel optical communication system |
May. 15, 2007 |
| 7209669 |
Method and apparatus for synchronizing a pulse carver and a data modulator for optical telecommunication |
Apr. 24, 2007 |
| 7190904 |
Wavelength modulation for optical based switching and routing |
Mar. 13, 2007 |
| 7184660 |
Method and system for monitoring performance of optical network |
Feb. 27, 2007 |
| 7164865 |
Optical fiber communication equipment and its applied optical systems |
Jan. 16, 2007 |
| 7151896 |
Burst optical communication apparatus |
Dec. 19, 2006 |
| 7149424 |
Method and device for evaluating and improving the quality of transmission of a telecommunications signal through an optical fiber |
Dec. 12, 2006 |
| 7146107 |
Method and apparatus for adjusting filter device |
Dec. 5, 2006 |
| 7146103 |
Optical communications using multiplexed single sideband transmission and heterodyne detection |
Dec. 5, 2006 |
| 7136590 |
Self-adjustable tunable filter |
Nov. 14, 2006 |
| 7133610 |
Optical sender, terminal device, and optical communication system each having the optical sender |
Nov. 7, 2006 |
| 7123844 |
Optical computational system |
Oct. 17, 2006 |
| 7106978 |
Optical module, optical transmission apparatus, WDM optical transmission device, and method for stabilizing laser wavelength |
Sep. 12, 2006 |
| 7103286 |
Method and system for optimizing the pulse form of an amplitude modulated optical signal |
Sep. 5, 2006 |
| 7099596 |
Optical transmitter |
Aug. 29, 2006 |
| 7092642 |
Tunable channel spacing for wavelength division multiplexing (WDM) transport system |
Aug. 15, 2006 |
| 7092638 |
Optical multiplex communication system, optical transmission apparatus, and control method of optical multiplex communication |
Aug. 15, 2006 |
| 7088922 |
Wavelength division multiplexing optical communication system |
Aug. 8, 2006 |
| 7079780 |
Linearized optical link using a single Mach-Zehnder modulator and two optical carriers |
Jul. 18, 2006 |
| 7076165 |
Optical transponder with add/drop operation function of optical channels |
Jul. 11, 2006 |
| 7068949 |
Multi-wavelength locking method and apparatus for wavelength division multiplexing (WDM) optical communication system |
Jun. 27, 2006 |
| 7065302 |
High efficiency optical feedback modulator and method of operation |
Jun. 20, 2006 |
| 7062166 |
First and second derivative processing of wavelength multiplexed optical signals |
Jun. 13, 2006 |
| 7039319 |
DWDM laser frequency control |
May. 2, 2006 |
| 7031619 |
Method and system for dispersion control of electromagnetic signals in communication networks |
Apr. 18, 2006 |
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