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CELIGHT INC
US35 patents
Top patents by PatentIndex Score
US7272271B2Sep 18, 2007
Electro-optical integrated transmitter chip for arbitrary quadrature modulation of optical signals
CELIGHT INC84 citations97
US7076169B2Jul 11, 2006
System and method for orthogonal frequency division multiplexed optical communication
CELIGHT INC62 citations95
US7327913B2Feb 5, 2008
Coherent optical detector and coherent communication system and method
CELIGHT INC43 citations94
US8050351B2Nov 1, 2011
Quadrature modulator with feedback control and optical communications system using the same
CELIGHT INC30 citations92
US7715720B2May 11, 2010
Coherent optical detector and coherent communication system and method
CELIGHT INC15 citations92
US7502118B2Mar 10, 2009
High sensitivity coherent photothermal interferometric system and method for chemical detection
CELIGHT INC23 citations92
US7277178B2Oct 2, 2007
Coherent photothermal interferometric spectroscopy system and method for chemical sensing
CELIGHT INC43 citations92
US7123800B2Oct 17, 2006
Integrated loop resonator with adjustable couplings and methods of using the same
CELIGHT INC46 citations92
US7110677B2Sep 19, 2006
Method and system for optical time division multiplexed fiber communications with coherent detection
CELIGHT INC50 citations92
US7483600B2Jan 27, 2009
Integrated coherent optical detector
CELIGHT INC42 citations91
US7470905B1Dec 30, 2008
High Z material detection system and method
CELIGHT INC43 citations91
US7397979B2Jul 8, 2008
Coherent optical detector and coherent communication system and method
CELIGHT INC16 citations91
US7224906B2May 29, 2007
Method and system for mitigating nonlinear transmission impairments in fiber-optic communications systems
CELIGHT INC33 citations91
US7167651B2Jan 23, 2007
System and method for code division multiplexed optical communication
CELIGHT INC21 citations89
US7426035B2Sep 16, 2008
System and method for chemical sensing using trace gas detection
CELIGHT INC16 citations84
US7242481B2Jul 10, 2007
Laser vibrometry with coherent detection
CELIGHT INC17 citations84
US7903255B2Mar 8, 2011
Sagnac sensor with nested waveguides
CELIGHT INC12 citations83
US7652254B2Jan 26, 2010
Method and system for nuclear substance revealing using muon detection
CELIGHT INC13 citations83
US7646944B2Jan 12, 2010
Optical sensor with distributed sensitivity
CELIGHT INC14 citations83
US7418209B2Aug 26, 2008
System and method for multi-dimensional encoding
CELIGHT INC12 citations83
US7315697B2Jan 1, 2008
Light source for generating an output signal having spaced apart frequencies
CELIGHT INC15 citations83
US7897925B2Mar 1, 2011
System and method for high Z material detection
CELIGHT INC8 citations82
US7391969B2Jun 24, 2008
Method and apparatus for pulse generation and adaptive pulse generation for optical communications
CELIGHT INC6 citations72
US7801395B2Sep 21, 2010
Coherent optical detector and coherent communication system and method
CELIGHT INC7 citations71
US8041224B2Oct 18, 2011
Optical frequency division multiplexed communications over the horizon
CELIGHT INC3 citations63
US7693428B2Apr 6, 2010
Optical orthogonal frequency division multiplexed communications with nonlinearity compensation
CELIGHT INC4 citations63
US8009294B2Aug 30, 2011
Chemical sensing system and method
CELIGHT INC3 citations62
US7974543B2Jul 5, 2011
Optical receiver and a free-space optical communications using the same
CELIGHT INC6 citations62
US7949262B2May 24, 2011
Space diversity receiver for optical communications
CELIGHT INC3 citations62
US7945174B2May 17, 2011
Secure optical communications system and method with coherent detection
CELIGHT INC5 citations62
US7512338B2Mar 31, 2009
Method and apparatus for pulse generation and adaptive pulse generation for optical communications
CELIGHT INC1 citations61
US8009295B2Aug 30, 2011
Chemical sensing with noise pre-compensation
CELIGHT INC1 citations52
US7840144B2Nov 23, 2010
Coherent optical transceiver and coherent communication system and method for satellite communications
CELIGHT INC1 citations51
US7995925B2Aug 9, 2011
Optical receiver using beam combining and system using the same
CELIGHT INC0 citations41
US7961997B2Jun 14, 2011
Space diversity optical receiver and system and method using the same
CELIGHT INC0 citations41