Kim B. ROBERTS

Systems and methods to increase capacity in optical networks based on excess margin

Systems and methods to increase capacity in optical networks based on excess margin

Signal equalizer in a coherent optical receiver

High speed signal generator

Margin-based optimization systems and methods in optical networks to unblock superchannels

Margin-based optimization systems and methods in optical networks by intentionally reducing margin

Margin-based optimization systems and methods in optical networks for capacity boosting

Soft decoding of data in a coherent optical receiver

Monitoring phase non-linearities in an optical communication system

High speed signal generator

Monitoring phase non-linearities in an optical communications system

Constrained continuous phase modulation and demodulation in an optical communications system

PARITY FRAME

Signal framing in a coherent optical receiver

Signal equalizer in a coherent optical receiver

Parallel conversion between optical and digital

Traffic driven variable bandwidth optical transmission

Protected light source for multiple wavelength division multiplexed passive optical networks (WDM-PONs)

Single pin coherent receiver

Clock recovery with channel coefficients

Coherent augmented optical add-drop multiplexer

Signal equalizer in a coherent receiver

COHERENT OPTICAL HUBBING

Self test of a dual polarization transmitter

Traffic driven variable bandwidth optical transmission

Zero mean carrier recovery

INTEGRATED TRANSMIT AND RECEIVE MODULES FOR A COHERENT OPTICAL TRANSMISSION SYSTEM

Method of WDM channel tagging and monitoring, and apparatus

Soft decoding of data in a coherent optical receiver

Automatic gain control in a coherent optical receiver

Laser control in a coherent optical receiver

Sample timing control in an optical receiver

Clock recovery with channel coefficients

High-speed digital signal processing in a coherent optical receiver

High speed signal generator

Electrical domain compensation of non-linear effects in an optical communications system

Cycle slip location and correction

Low conversion rate digital dispersion compensation

Non-linear equalizer in a coherent optical receiver

Optical transmitter error reduction using receiver feedback

Optical E-field modulation using a directly driven laser

Low density parity check (LDPC) decoder using broadcast messaging

Signal acquisition in a coherent optical receiver

Carrier recovery in a coherent optical receiver

SOFT THERMAL FAILURE IN A HIGH CAPACITY TRANSMISSION SYSTEM

Method of initializing optical communication links

Protected light source for multiple wavelength division multiplexed passive optical networks (WDM-PONS)

Low conversion rate digital dispersion compensation

Optical signal transmitter with active optical e-field degradation

Preconfiguring compensation of optical path impairments

Digital performance monitoring for an optical communications system

Hub and spoke compression

Electrical domain mitigation of polarization dependent effects in an optical communications system

Electrical domain compensation of optical dispersion in an optical communications system

Digital performance monitoring for an optical communications system

Broadband control of polarization mode dispersion

Measurement of polarization dependent loss in an optical transmission system

Integrated optical waveform modulation

Integrated optical waveform modulation

Method of WDM channel tagging and monitoring, and apparatus

Mapping arbitrary signals

Protection switching in a multi-stage switch fabric

High spectral efficiency, high performance optical MUX and DEMUX architecture

Efficient data transmission and training of data processing functions

Polarization compensation in a coherent optical receiver

Cross-connection of high bandwidth signal traffic across independent parallel shelves

Methods and systems for reducing waiting-time jitter

Control of parameters in a global optical controller

Validation of a connection between arbitrary end-nodes in a communications network

Decorrelation of WDM signals

Clock recovery from an optical signal with polarization impairments

Clock recovery from an optical signal with dispersion impairments

Method and apparatus for equalization across plural data channels

Hyper-concatenation across multiple parallel channels

Spectrally invisible framing of high error rate data signals

Mapping arbitrary signals into SONET

Optical dispersion compensation in the electrical domain in an optical communications system

Mapping arbitrary signals into SONET

Digital synthesis of readily compensated optical signals

Hyper-concatenation across independent pointer processors

Aharmonic interleaving of forward error corrected (FEC) signals

Non-blocking high capacity fine grain switch

Transparent port for high rate networking

Validation of a connection between arbitrary end-points in a communications network using an augmented SPE

Optimization of a communications system based on identification of an optical member

Digital processing of SONET pointers

Monitoring distributed gain in an optical transmission system