Infinera Profile

Infinera Patent Grants

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…

Arbitrary grid wavelocking using digitally generated out-of-band tones

Patent Number 9537577 - January 3, 2017

A device may insert a set of tones into a transmitter signal at a set of frequency offsets from a set of transmitter channels associated with…

Optical fiber track system and method for using thereof

Patent Number 9519117 - December 13, 2016

A track system comprises a track having a first end, a second end, and defining one or more first channels extending from the first to the…

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