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Class Information
Number: 372/38.08
Name: Coherent light generators > Particular component circuitry > Having noise suppression circuitry
Description: Subject matter wherein the particular component circuitry reduces or eliminates undesired signals.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8670474 Laser system with wavelength converter Mar. 11, 2014
8232687 Intelligent laser interlock system Jul. 31, 2012
8218592 Laser device, optical pickup, and optical disk device Jul. 10, 2012
8199785 Thermal chirp compensation in a chirp managed laser Jun. 12, 2012
8175127 System of method for dynamic range extension May. 8, 2012
7970032 Method and device for reducing laser phase noise Jun. 28, 2011
7940824 Laser diode driver architectures May. 10, 2011
7907649 Bias signal generation for a laser transmitter in a passive optical network Mar. 15, 2011
7830933 Optical transmitter providing a plurality of transmitter units each having a thermo-electric cooler connected in series to each other Nov. 9, 2010
7809282 Dispersion compensating circuits for optical transmission system Oct. 5, 2010
7792165 Dispersion compensating varactor circuit Sep. 7, 2010
7756173 Laser diode driver with adaptive compliance voltage Jul. 13, 2010
7738516 Method and apparatus for detecting and avoiding multiple-pulse states in ultra-short-pulse laser Jun. 15, 2010
7729399 Semiconductor laser driving circuit less susceptible to noise interference Jun. 1, 2010
7725043 System and method for reducing interferometric distortion and relative intensity noise in directly modulated fiber optic links May. 25, 2010
7656917 Circuit arrangement for generating light pulses Feb. 2, 2010
7656914 Directly-modulated diode lasers with reduced overshoot Feb. 2, 2010
7646794 Laser apparatus and manufacturing method of a battery Jan. 12, 2010
7590157 Laser noise elimination circuit and optical disc device Sep. 15, 2009
7516897 Digital automatic power control loop for continuous and burst mode applications Apr. 14, 2009
7477850 Optical signal jitter reduction via electrical equalization in optical transmission systems Jan. 13, 2009
7470885 Photodetector-amplifier circuit and optical pickup device Dec. 30, 2008
7471708 Gas discharge laser output light beam parameter control Dec. 30, 2008
7471710 Narrow linewidth semiconductor laser device Dec. 30, 2008
7411987 System and method for using an output transformer for laser diode drivers Aug. 12, 2008
7386023 Systems and methods for reducing harmonics produced by oscillators Jun. 10, 2008
7361936 Optical transmission and/or receiving device Apr. 22, 2008
7184452 Laser driver circuit for reducing electromagnetic interference Feb. 27, 2007
7177331 Laser diode module with a built-in high-frequency modulation IC Feb. 13, 2007
7167378 Circuit board transmitting high frequency signal Jan. 23, 2007
7158552 Low relative intensity noise fiber grating type laser diode Jan. 2, 2007
7149232 Laser noise cancel circuit and optical disk device Dec. 12, 2006
7145929 Driver circuit and method for driving an electronic component Dec. 5, 2006
7079558 Mode-locked laser method and apparatus Jul. 18, 2006
7054344 Method and system for equalizing transmission line loss of a laser drive signal May. 30, 2006
6947456 Open-loop laser driver having an integrated digital controller Sep. 20, 2005
6931040 System and method for using an output transformer for laser diode drivers Aug. 16, 2005
6907055 Method and circuit for measuring the optical modulation amplitude (OMA) in the operating region of a laser diode Jun. 14, 2005
6891868 Laser driver with noise reduction feedback for optical storage applications May. 10, 2005
6847665 Semiconductor laser device and method for producing the same Jan. 25, 2005
6829268 Synchronous servo control for a tunable laser Dec. 7, 2004
6771678 Laser system and method of operation having improved signal continuity and safety Aug. 3, 2004
6735229 Ultralow noise optical clock for high speed sampling applications May. 11, 2004
6661815 Servo technique for concurrent wavelength locking and stimulated brillouin scattering suppression Dec. 9, 2003
6587490 Low-noise current source driver for laser diodes Jul. 1, 2003
6529536 Laser drive circuit and recording apparatus using the same Mar. 4, 2003
RE37524 Device for driving a semiconductor laser by a plurality of driving elements Jan. 22, 2002
6188144 Power supply unit for pulsed laser using magnetic switch Feb. 13, 2001
6181718 Electronically cooled semiconductor laser module with modified ground line inductance Jan. 30, 2001
5923687 Bandwidth enhancement and broadband noise reduction in injection-locked semiconductor lasers Jul. 13, 1999

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