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Browse by Category: Main > Communications
Class Information
Number: 398/199
Name: Optical communications > Transmitter > Chirping
Description: Subject matter in which the signal from the source emits a varying frequency during a pulse time which results in pulse compression in optical fibers.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8554087 System and method for imaging objects through turbid media Oct. 8, 2013
8538272 Data security in optical communications systems Sep. 17, 2013
8498543 Dispersion tolerant optical system and method Jul. 30, 2013
8463138 Multi-value optical transmitter Jun. 11, 2013
8451528 Method and apparatus for generation of coherent frequency combs May. 28, 2013
8447155 Methods and apparatus for power-equalized optical frequency comb generation May. 21, 2013
8311416 Method and apparatus for generating optical duo binary signals with frequency chirp Nov. 13, 2012
8275010 Optical pulse amplifier and optical pulse source Sep. 25, 2012
8260150 Passive wave division multiplexed transmitter having a directly modulated laser array Sep. 4, 2012
8253508 Modulator driver circuit having chirped components Aug. 28, 2012
8199785 Thermal chirp compensation in a chirp managed laser Jun. 12, 2012
8160455 Method and apparatus for generating signals with increased dispersion tolerance using a directly modulated laser transmitter Apr. 17, 2012
8150271 Active tuning of temporal dispersion in an ultrashort pulse laser system Apr. 3, 2012
8131157 Method and apparatus for generating signals with increased dispersion tolerance using a directly modulated laser transmitter Mar. 6, 2012
8064776 Dispersion tolerant optical system and method Nov. 22, 2011
8064778 Method and apparatus for controlling tunable transmitter chirp Nov. 22, 2011
8059969 Enhanced linearity RF photonic link Nov. 15, 2011
8027593 Slow chirp compensation for enhanced signal bandwidth and transmission performances in directly modulated lasers Sep. 27, 2011
8005371 Multi-wavelength signal generation device and multi-wavelength light generation method Aug. 23, 2011
7991291 WDM PON based on DML Aug. 2, 2011
7962045 Optical transmitter having a widely tunable directly modulated laser and periodic optical spectrum reshaping element Jun. 14, 2011
7941057 Integral phase rule for reducing dispersion errors in an adiabatically chirped amplitude modulated signal May. 10, 2011
7912379 Optical transmitter circuit Mar. 22, 2011
7907852 Optical transmitter circuit Mar. 15, 2011
7894725 Time-multiplexed optical waveform generation Feb. 22, 2011
7822347 Active tuning of temporal dispersion in an ultrashort pulse laser system Oct. 26, 2010
7809280 Chirp-managed, electroabsorption-modulated laser Oct. 5, 2010
7756423 Wavelength division multiplexing optical transmission apparatus, wavelength division multiplexing optical transmission system and wavelength division multiplexing optical transmission method Jul. 13, 2010
7747175 Optical transmission method and optical transmission apparatus Jun. 29, 2010
7742705 System and method for chirped light source Jun. 22, 2010
7742702 Chirp switching circuit and optical transmission system Jun. 22, 2010
7715724 Optical synchronizer May. 11, 2010
7676158 Method and system for optimum channel equalization from a SerDes to an optical module Mar. 9, 2010
7623795 Data compression apparatus and method therefor Nov. 24, 2009
7606501 System and method for generating optical return-to-zero signals with alternating bi-phase shift and frequency chirp Oct. 20, 2009
7565084 Robustly stabilizing laser systems Jul. 21, 2009
7555225 Optical system comprising an FM source and a spectral reshaping element Jun. 30, 2009
7542685 System and method for automatic chromatic dispersion compensation Jun. 2, 2009
7486436 All fiber chirped pulse amplification system and method Feb. 3, 2009
7433605 Adiabatic frequency modulated transmitter with negative chirp Oct. 7, 2008
7398023 Method and apparatus for bias and alignment control in an optical signal transmitter Jul. 8, 2008
7391550 Method and apparatus for optical broadband frequency chirp Jun. 24, 2008
7327957 Wavelength-tunable light source and wavelength-division multiplexed transmission system using the source Feb. 5, 2008
7319823 Modulation scheme and transmission system for NRZ signals with left and right side filtering Jan. 15, 2008
7266307 Method and apparatus for pulse generation and adaptive pulse generation for optical communications Sep. 4, 2007
7263296 Optical transmission system using in-line amplifiers Aug. 28, 2007
7257332 Optical transmitter and its control method Aug. 14, 2007
7245837 Optical transmitting device Jul. 17, 2007
7173753 Optical data receiver systems Feb. 6, 2007
7149424 Method and device for evaluating and improving the quality of transmission of a telecommunications signal through an optical fiber Dec. 12, 2006

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