| Patent | Date |
|---|
Apparatuses and methods for digital subcarrier parameter modifications for optical communication networks
Grant 11,368,228 - Hand , et al. June 21, 2 | 2022-06-21 |
Apparatuses And Methods For Digital Subcarrier Parameter Modifications For Optical Communication Networks
App 20190319713 - Hand; Steven Joseph ; et al. | 2019-10-17 |
Monolithic photonic integrated circuit (PIC) with a plurality of integrated arrays of laser sources and modulators employing an extended identical active layer (EIAL)
Grant 10,012,797 - Nagarajan , et al. July 3, 2 | 2018-07-03 |
Method of achieving acceptable performance in and fabrication of a monolithic photonic integrated circuit (PIC) with integrated arrays of laser sources and modulators employing an extended identical active layer (EIAL)
Grant 9,372,306 - Nagarajan , et al. June 21, 2 | 2016-06-21 |
System for generating optical RZ signals based on electrical RZ signals
Grant 8,811,827 - Rahn , et al. August 19, 2 | 2014-08-19 |
Photonic integrated circuits having chirped elements
Grant 8,705,904 - Kish, Jr. , et al. April 22, 2 | 2014-04-22 |
Electrical return-to-zero (ERZ) driver circuit
Grant 8,385,742 - Yang , et al. February 26, 2 | 2013-02-26 |
Transmitter photonic integrated circuit (TxPIC) chip
Grant 8,300,994 - Welch , et al. October 30, 2 | 2012-10-30 |
Modulator driver circuit having chirped components
Grant 8,253,508 - Bostak , et al. August 28, 2 | 2012-08-28 |
Active control loop for power control of optical channel groups
Grant 8,064,771 - Mitchell , et al. November 22, 2 | 2011-11-22 |
TRANSMITTER PHOTONIC INTEGRATED CIRCUIT (TxPIC) CHIP
App 20110249936 - Welch; David F. ; et al. | 2011-10-13 |
Electrical Return-to-zero (erz) Driver Circuit
App 20110150481 - Yang; Xinghua ; et al. | 2011-06-23 |
System For Generating Optical Rz Signals Based On Electrical Rz Signals
App 20110076019 - Rahn; Jeffrey T. ; et al. | 2011-03-31 |
Transmitter photonic integrated circuit (TxPIC) chips
Grant 7,885,492 - Welch , et al. February 8, 2 | 2011-02-08 |
Modulator Driver Circuit Having Chirped Components
App 20100289594 - Bostak; Jeffrey S. ; et al. | 2010-11-18 |
Monolithic transmitter photonic integrated circuit (TXPIC) with a transversely disposed output
Grant 7,773,837 - Welch , et al. August 10, 2 | 2010-08-10 |
Monolithic transmitter photonic integrated circuit (TxPIC) having tunable modulated sources with feedback system for source power level or wavelength tuning
Grant 7,751,658 - Welch , et al. July 6, 2 | 2010-07-06 |
Monolithic transmitter photonic integrated circuit (TxPIC) with a traversely disposed output
Grant 7,680,368 - Welch , et al. March 16, 2 | 2010-03-16 |
Optical transport network having a plurality of monolithic photonic integrated circuit semiconductor chips
Grant 7,672,546 - Welch , et al. March 2, 2 | 2010-03-02 |
Digital optical network architecture
Grant 7,634,195 - Singh , et al. December 15, 2 | 2009-12-15 |
Pattern-dependent error counts for use in correcting operational parameters in an optical receiver
Grant 7,574,146 - Chiang , et al. August 11, 2 | 2009-08-11 |
Photonic Integrated Circuits having Chirped Elements
App 20090175573 - Kish, JR.; Fred A. ; et al. | 2009-07-09 |
Method of monitoring and controlling the bit error rate (BER) in an optical communication network
Grant 7,551,815 - Welch , et al. June 23, 2 | 2009-06-23 |
Monolithic photonic integrated circuit (PIC) with forward error correction (FEC)
Grant 7,546,001 - Welch , et al. June 9, 2 | 2009-06-09 |
Photonic integrated circuit (PIC) chips
Grant 7,519,246 - Welch , et al. April 14, 2 | 2009-04-14 |
Transmitter photonic integrated circuits (TXPICS) with directly modulated lasers and wavelength selective combiners
Grant 7,512,295 - Welch , et al. March 31, 2 | 2009-03-31 |
Monolithic Transmitter Photonic Integrated Circuit (txpic) With A Transversely Disposed Output
App 20090022452 - Welch; David F. ; et al. | 2009-01-22 |
Monolithic transmitter photonic integrated circuit (TxPIC) semiconductor chip
Grant 7,477,807 - Welch , et al. January 13, 2 | 2009-01-13 |
Monolithic Transmitter Photonic Integrated Circuit (txpic) Having Tunable Modulated Sources With Feedback System For Source Power Level Or Wavelength Tuning
App 20080138088 - Welch; David F. ; et al. | 2008-06-12 |
Digital Optical Network Architecture
App 20080063407 - Singh; Jagdeep ; et al. | 2008-03-13 |
Monolithic transmitter photonic integrated circuit (TxPIC) with integrated optical components in circuit signal channels
Grant 7,340,122 - Welch , et al. March 4, 2 | 2008-03-04 |
TRANSMITTER PHOTONIC INTEGRATED CIRCUITS (TxPICs) AND OPTICAL TRANSPORT NETWORK SYSTEM EMPLOYING TxPICs
App 20080044128 - Kish; Fred A. JR. ; et al. | 2008-02-21 |
Photonic Integrated Circuit (PIC) Chips
App 20080031626 - Welch; David F. ; et al. | 2008-02-07 |
Optical Transport Network Having A Plurality Of Monolithic Photonic Integrated Circuit (pic) Semiconductor Chips
App 20080025726 - Welch; David F. ; et al. | 2008-01-31 |
Monolithic Transmitter Photonic Integrated Circuit (TxPIC) with a Traversely Disposed Output
App 20080013881 - Welch; David F. ; et al. | 2008-01-17 |
Digital optical network architecture
Grant 7,295,783 - Singh , et al. November 13, 2 | 2007-11-13 |
Monolithic Transmitter Photonic Integrated Circuit (TxPIC) Semiconductor Chip
App 20070248299 - Welch; David F. ; et al. | 2007-10-25 |
MONOLITHIC TRANSMITTER PHOTONIC INTEGRATED CIRCUIT (TxPIC) WITH INTEGRATED OPTICAL COMPONENTS IN CIRCUIT SIGNAL CHANNELS
App 20070242919 - Welch; David F. ; et al. | 2007-10-18 |
Transmitter Photonic Integrated Circuits (TxPICs) with Directly Modulated Lasers and Wavelength Selective Combiners
App 20070242918 - Welch; David F. ; et al. | 2007-10-18 |
Transmitter photonic integrated circuits (TxPIC) and optical transport networks employing TxPICs
Grant 7,283,694 - Welch , et al. October 16, 2 | 2007-10-16 |
Monolithic Photonic Integrated Circuit (pic) With Forward Error Correction (fec)
App 20070183738 - Welch; David F. ; et al. | 2007-08-09 |
Optical transport network
Grant 7,236,656 - Welch , et al. June 26, 2 | 2007-06-26 |
Method Of Monitoring And Controlling The Bit Error Rate (ber) In An Optical Communication Network
App 20070122148 - Welch; David F. ; et al. | 2007-05-31 |
Optical transmission network with a receiver photonic integrated circuit (RxPIC) utilizing an optical service chanel (OSC)
Grant 7,224,858 - Welch , et al. May 29, 2 | 2007-05-29 |
Active Control Loop For Power Control Of Optical Channel Groups
App 20070003281 - Mitchell; Matthew L. ; et al. | 2007-01-04 |
Method of optimizing optical channel signal demultiplexing in a monolithic receiver photonic integrated circuit (RxPIC)
Grant 7,158,699 - Welch , et al. January 2, 2 | 2007-01-02 |
Optical transmission network with transmitter photonic integrated circuit (TxPIC) utilizing an optical service channel (OSC)
Grant 7,155,078 - Welch , et al. December 26, 2 | 2006-12-26 |
Upgrade of optical amplifier site to a digital optical network site in an optical transmission network
Grant 7,149,433 - Grubb , et al. December 12, 2 | 2006-12-12 |
Optical communication module utilizing plural semiconductor transmitter photonic integrated circuit (TxPIC) chips
Grant 7,130,499 - Grubb , et al. October 31, 2 | 2006-10-31 |
Compact, cost-effective optical-electrical-optical (OEO) converter for an optical transmission network
Grant 7,123,786 - Welch , et al. October 17, 2 | 2006-10-17 |
Method of monitoring and controlling the bit error rate (BER) in an optical communication network
Grant 7,116,861 - Welch , et al. October 3, 2 | 2006-10-03 |
Optical signal receiver, an associated photonic integrated circuit (RxPIC), and method improving performance
Grant 7,116,851 - Welch , et al. October 3, 2 | 2006-10-03 |
FEC enhanced system for an optical communication network
Grant 7,113,667 - Welch , et al. September 26, 2 | 2006-09-26 |
Method of providing wider window margin in an eye diagram of a received signal in a transmission system
Grant 7,082,253 - Dominic , et al. July 25, 2 | 2006-07-25 |
Optical communication module with one or more photonic integrated circuit (PIC) chips and an external booster optical amplifier for photonic integrated circuits (PICs)
Grant 7,062,111 - Grubb , et al. June 13, 2 | 2006-06-13 |
Optical transport network
Grant 7,058,263 - Welch , et al. June 6, 2 | 2006-06-06 |
Optical communication system with multiple photonic integrated circuit (PIC) chips and an external booster optical amplifier for photonic integrated circuits (PICs)
Grant 7,058,248 - Grubb , et al. June 6, 2 | 2006-06-06 |
Optical receiver photonic integrated circuit (RxPIC) system
Grant 7,050,666 - Welch , et al. May 23, 2 | 2006-05-23 |
Optical transport network
App 20060067619 - Welch; David F. ; et al. | 2006-03-30 |
Method of providing a low cost semiconductor transmitter photonic integrated circuit (TxPIC) chip
Grant 7,010,185 - Grubb , et al. March 7, 2 | 2006-03-07 |
Pattern-dependent error counts for use in correcting operational parameters in an optical receiver
App 20060008279 - Chiang; Ting-Kuang ; et al. | 2006-01-12 |
FEC enhanced system for an optical communication network
App 20050276613 - Welch, David F. ; et al. | 2005-12-15 |
Method of optimizing optical channel signal demultiplexing in a monolithic receiver photonic integrated circuit (RxPIC)
App 20050213883 - Welch, David F. ; et al. | 2005-09-29 |
Compact, cost-effective optical-electrical-optical (OEO) converter for an optical transmission network
App 20050207696 - Welch, David F. ; et al. | 2005-09-22 |
Optical transport network
App 20050201669 - Welch, David F. ; et al. | 2005-09-15 |
Optical communication module having at least one monolithic semiconductor photonic integrated circuit chip
App 20050169640 - Grubb, Stephen G. ; et al. | 2005-08-04 |
Optical receiver photonic integrated circuit (RxPIC) system
App 20050135731 - Welch, David F. ; et al. | 2005-06-23 |
Optical transmission network with a receiver photonic integrated circuit (RxPIC) utilizing an optical service chanel (OSC)
App 20050135729 - Welch, David F. ; et al. | 2005-06-23 |
Method of providing wider window margin in an eye diagram of a received signal in a transmission system
App 20050135778 - Dominic, Vincent G. ; et al. | 2005-06-23 |
Method of monitoring and controlling the bit error rate (BER) in an optical communication network
App 20050135730 - Welch, David F. ; et al. | 2005-06-23 |
Optical transmission network with transmitter photonic integrated circuit (TxPIC) utilizing an optical service channel (OSC)
App 20050129350 - Welch, David F. ; et al. | 2005-06-16 |
Method of calibrating a monolithic transmitter photonic integrated circuit (TxPIC) chip
App 20050094926 - Dominic, Vincent G. ; et al. | 2005-05-05 |
Submount for a photonic integrated circuit (PIC) chip
App 20050025409 - Welch, David F. ; et al. | 2005-02-03 |
Optical communication system with multiple photonic integrated circuit (PIC) chips and an external booster optical amplifier for photonic integrated circuits (PICs)
App 20040258422 - Grubb, Stephen G. ; et al. | 2004-12-23 |
Method of providing a low cost semiconductor transmitter photonic integrated circuit (TxPIC) chip
App 20040247233 - Grubb, Stephen G. ; et al. | 2004-12-09 |
Transmitter photonic integrated circuit ( TxPIC) chips
App 20040067006 - Welch, David F. ; et al. | 2004-04-08 |
High order fiber Raman amplifiers
Grant 6,700,696 - Dominic , et al. March 2, 2 | 2004-03-02 |
Optical signal receiver photonic integrated circuit (RxPIC), an associated optical signal transmitter photonic integrated circuit (TxPIC) and an optical network transmission system utilizing these circuits
App 20040033004 - Welch, David F. ; et al. | 2004-02-19 |
Upgrade of optical amplifier site to a digital optical network site in an optical transmission network
App 20040001248 - Grubb, Stephen G. ; et al. | 2004-01-01 |
Optical transmission link including raman amplifier
Grant 6,603,593 - Fidric , et al. August 5, 2 | 2003-08-05 |
Optical communication module with one or more photonic integrated circuit (PIC) chips and an external booster optical amplifier for photonic integrated circuits (PICs)
App 20030099425 - Grubb, Stephen G. ; et al. | 2003-05-29 |
Digital optical network architecture
App 20030099018 - Singh, Jagdeep ; et al. | 2003-05-29 |
Transmitter photonic integrated circuits (TxPIC) and optical transport networks employing TxPICs
App 20030095737 - Welch, David F. ; et al. | 2003-05-22 |
Lossless Optical Transmission Link
App 20030076577 - Dominic, Vincent G. ; et al. | 2003-04-24 |
Optical transmission link including raman amplifier
App 20020181075 - Fidric, Bernard G. ; et al. | 2002-12-05 |
Optical couplers for multimode fibers
Grant 6,434,302 - Fidric , et al. August 13, 2 | 2002-08-13 |
High order fiber Raman amplifiers
App 20020097480 - Dominic, Vincent G. ; et al. | 2002-07-25 |
Multiple wavelength optical sources
Grant 6,407,855 - MacCormack , et al. June 18, 2 | 2002-06-18 |
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