Automatic gain control for high-speed coherent optical receivers
Patent Number 8768178 - July 1, 2014
Feed-forward and feedback strategies are used to control local oscillator power and transimpedance amplifier gain in a high-speed coherent…
Green laser system
Patent Number 8675698 - March 18, 2014
A green laser is made by constructing a laser cavity that includes within it a laser diode, a non-linear crystal such as KTP, and a lens. The…
Alignment of in-phase and quadrature data in quadrature phase shift keying optical transmitters
Patent Number 8644420 - February 4, 2014
I/Q data skew in a QPSK modulator may be detected by sending identical or complementary data streams to I and Q channel PSK modulators,…
Polarization and differential-group-delay insensitive digital timing error detection for polarization-multiplexed coherent optical systems
Patent Number 8634726 - January 21, 2014
Digital timing error detection systems and techniques are described. The described techniques are independent of polarization and…
Multiplexer lane alignment for high-speed data systems
Patent Number 8565271 - October 22, 2013
Patterns detected by a low-speed receiver at the output of a high-speed multiplexer are used to determine when multiplexer input lanes are…
Optical Coherent Receiver Optimization
Application Number 20130170829 - July 4, 2013
Coherent optical receiver performance is optimized and made adaptable to changing optical channel conditions by providing feedback loops to…
Automatic Gain Control for High-Speed Coherent Optical Receivers
Application Number 20130071109 - March 21, 2013
Feed-forward and feedback strategies are used to control local oscillator power and transimpedance amplifier gain in a high-speed coherent…
OPTICAL SEMICONDUCTOR DEVICE, AND MANUFACTURING METHOD THEREOF
Application Number 20120321244 - December 20, 2012
The optical semiconductor device includes a spot-size converter formed on a semiconductor substrate. The spot-size converter has a multilayer…
OPTICAL DEVICE, MODULATOR MODULE, AND METHOD FOR MANUFACTURING THE OPTICAL DEVICE
Application Number 20120314725 - December 13, 2012
An optical device includes a ridge-like optical waveguide portion, a mesa protector portion that is arranged in parallel to the optical…
OPTICAL OUTPUT MODULE, OPTICAL TRANSCEIVER, AND OPTICAL TRANSMISSION SYSTEM
Application Number 20120301153 - November 29, 2012
The I phase modulator modulates a phase based on the bias voltage in which a first modulation signal and a first pilot signal are inherent and…
Opnext Subsystems, Inc. v. UPS Air Freight Consolidated et al
New York Southern District Court - November 21, 2012
In Re: Opnext, Inc.
U.S. Court of Appeals, Third Circuit - June 30, 2009
JOHNSON v. OPNEXT, INC. et al
New Jersey District Court - March 20, 2008
COLEMAN v. OPNEXT, INC. et al
New Jersey District Court - March 7, 2008
BIXLER v. OPNEXT, INC. et al
New Jersey District Court - February 20, 2008
