Infinera Profile

Infinera Patent Grants

Efficient processing of high data rate signals with a configurable frequency domain equalizer

Patent Number 9602219 - March 21, 2017

An optical system includes an optical transmitter configured to modulate an optical signal to carry data, associated with an optical channel,…

Controlling an optical transmitter that supports multiple modulation formats and baud rates

Patent Number 9577761 - February 21, 2017

A device receives a modulation format and a baud rate for transmission of an optical signal, and generates optical signals based on the…

Frequency domain coded modulation with polarization interleaving for fiber nonlinearity mitigation in digital sub-carrier coherent optical communication systems

Patent Number 9553675 - January 24, 2017

An optical transmitter may receive and encode a first group of bits into first encoded data and second encoded data. The optical transmitter…

Systems, apparatus, and methods for non-blocking switch networks

Patent Number 9548944 - January 17, 2017

A switch network may include a plurality of switch stages arranged in sequential stages. The plurality of switch stages may include a first…

Efficient storage architecture for low-density parity-check decoding

Patent Number 9543984 - January 10, 2017

A low-density parity-check (LDPC) decoder may comprise a shift register configured to receive LDPC coded data, perform an iteration associated…

Infinera Patent Applications

HYBRID POLARIZATION-MULTIPLEXED COHERENT PIC TRANSMITTERS AND RECEIVERS

Application Number 20160033728 - February 4, 2016

Consistent with the present disclosure, active devices, such as lasers, optical amplifiers, and photodiodes, are integrated on a first…

CONTROLLING AN OPTICAL TRANSMITTER THAT SUPPORTS MULTIPLE MODULATION FORMATS AND BAUD RATES

Application Number 20150333860 - November 19, 2015

A device receives a modulation format and a baud rate for transmission of an optical signal, and generates optical signals based on the…

ESTIMATING PHASE USING TEST PHASES AND INTERPOLATION FOR MODULATION FORMATS USING MULTIPLE SUB-CARRIERS

Application Number 20150280814 - October 1, 2015

An optical receiver may receive input signals carried by sub-carriers, and may apply test phases to each input signal. The optical receiver…

ACCURATE CALCULATION OF POLARIZATION MODE DISPERSION USING BLIND EQUALIZATION

Application Number 20150280833 - October 1, 2015

A digital signal processor (DSP) may receive a signal that has an x-polarization (x-pol) and a y-polarization (y-pol). The DSP may equalize…

FREQUENCY AND PHASE COMPENSATION FOR MODULATION FORMATS USING MULTIPLE SUB-CARRIERS

Application Number 20150280834 - October 1, 2015

An optical receiver may receive input signals carried by respective sub-carriers. The optical receiver may determine, based on the input…

Infinera Federal Litigation Filings

Oyster Optics, LLC v. Infinera Corporation

Texas Eastern District Court - November 23, 2016

Aloft Media, LLC v. Compuware Corp. et al

Texas Eastern District Court - May 14, 2010