Patent | Date |
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Repeater OTDR using repeater based Raman pumps Grant 10,516,477 - Webb , et al. Dec | 2019-12-24 |
Optical transmission system and related remote optically pumped amplifier (ROPA) and method Grant 10,313,020 - Chang , et al. | 2019-06-04 |
Optical Transmission System And Related Remote Optically Pumped Amplifier (ropa) And Method App 20180069637 - Chang; Do-Il ;   et al. | 2018-03-08 |
Repeater Otdr Using Repeater Based Raman Pumps App 20180062738 - Webb; Stephen Michael ;   et al. | 2018-03-01 |
Multi-span Optical Communications Link Having Remote Optically Pumped Amplifier App 20170365971 - PELOUCH; WAYNE S. ;   et al. | 2017-12-21 |
Optical transmission system and related remote optically pumped amplifier (ROPA) and method Grant 9,838,136 - Chang , et al. December 5, 2 | 2017-12-05 |
Repeater OTDR using repeater based raman pumps Grant 9,831,943 - Webb , et al. November 28, 2 | 2017-11-28 |
Multi-span optical communications link having remote optically pumped amplifier Grant 9,735,532 - Pelouch , et al. August 15, 2 | 2017-08-15 |
Tilt control through optical pump power adjustment Grant 9,461,437 - Pelouch , et al. October 4, 2 | 2016-10-04 |
Optical Transmission System And Related Remote Optically Pumped Amplifier (ropa) And Method App 20160261349 - Chang; Do-Il ;   et al. | 2016-09-08 |
Multi-span Optical Communications Link Having Remote Optically Pumped Amplifier App 20150270676 - PELOUCH; WAYNE S. ;   et al. | 2015-09-24 |
Repeater Otdr Using Repeater Based Raman Pumps App 20150171958 - Webb; Stephen Michael ;   et al. | 2015-06-18 |
Tilt Control Through Optical Pump Power Adjustment App 20140268308 - PELOUCH; WAYNE S. ;   et al. | 2014-09-18 |
Introduction-side dispersion shifting of channels Grant 8,380,069 - Pelouch , et al. February 19, 2 | 2013-02-19 |
Distinct dispersion compensation for coherent channels Grant 8,380,068 - Chang , et al. February 19, 2 | 2013-02-19 |
Optical amplifier bandwidth alteration Grant 8,233,216 - Chang , et al. July 31, 2 | 2012-07-31 |
Optical amplifier with Raman and rare-earth-doped fiber amplifier both pumped efficiently using direct and reflected pump light Grant 8,228,598 - Chang , et al. July 24, 2 | 2012-07-24 |
Optical amplifier capable of amplifying optical signals that traverse separate transmission fibers Grant 8,145,062 - Pelouch , et al. March 27, 2 | 2012-03-27 |
Optical communication using shared optical pumps Grant 8,111,454 - Chang , et al. February 7, 2 | 2012-02-07 |
Submarine optical repeater Grant 8,111,453 - Pelouch , et al. February 7, 2 | 2012-02-07 |
Introduction-side Dispersion Shifting Of Channels App 20110097088 - Pelouch; Wayne S. ;   et al. | 2011-04-28 |
Distinct Dispersion Compensation For Coherent Channels App 20110097087 - Chang; DO-IL ;   et al. | 2011-04-28 |
Remote larger effective area optical fiber Grant 7,869,673 - Chang , et al. January 11, 2 | 2011-01-11 |
Submarine Optical Repeater App 20100209110 - Pelouch; Wayne S. ;   et al. | 2010-08-19 |
Optical Communication Using Shared Optical Pumps App 20100209117 - Chang; Do-Il ;   et al. | 2010-08-19 |
Optical Communication Using Coupled Optically Pumped Amplifiers App 20100183305 - CHANG; DO-IL ;   et al. | 2010-07-22 |
System and method for implementing a boosterless optical communication system Grant 7,742,223 - Puc , et al. June 22, 2 | 2010-06-22 |
Fractional Raman Order Pumping In Optical Communication Systems App 20100103957 - Fevrier; Herve A. ;   et al. | 2010-04-29 |
Remote Larger Effective Area Optical Fiber App 20100054660 - Chang; Do-IL ;   et al. | 2010-03-04 |
System and method for implementing a high capacity unrepeatered optical communication system Grant 7,665,909 - Perrier , et al. February 23, 2 | 2010-02-23 |
System and method for fractional Raman order pumping in optical communication systems Grant 7,567,593 - Fevrier , et al. July 28, 2 | 2009-07-28 |
Efficient Discrete Amplification App 20090174933 - Chang; Do-Il ;   et al. | 2009-07-09 |
Optical Amplifier Bandwidth Alteration App 20090174932 - Chang; Do-IL ;   et al. | 2009-07-09 |
Optical Amplifier Capable Of Amplifying Optical Signals That Traverse Separate Transmission Fibers App 20090175628 - Pelouch; Wayne S. ;   et al. | 2009-07-09 |
System And Method For Implementing A High Capacity Unrepeatered Optical Communication System App 20080145055 - Perrier; Philippe A. ;   et al. | 2008-06-19 |
System and method for implementing a high capacity unrepeatered optical communication system Grant 7,336,869 - Perrier , et al. February 26, 2 | 2008-02-26 |
System And Method For Implementing A High Capacity Unrepeatered Optical Communication System App 20070274625 - Perrier; Philippe A. ;   et al. | 2007-11-29 |
System and Method for Implementing a Boosterless Optical Communication System App 20070223084 - Puc; Andrej B. ;   et al. | 2007-09-27 |
System and method for fractional Raman order pumping in optical communication systems App 20070002904 - Fevrier; Herve A. ;   et al. | 2007-01-04 |
Apparatus for generating an optical fiber laser capable of tuning a wavelength thereof Grant 6,556,596 - Kim , et al. April 29, 2 | 2003-04-29 |
Optical fiber cascaded Raman laser scheme Grant 6,426,965 - Chang , et al. July 30, 2 | 2002-07-30 |
Dual wavelength optical fiber laser App 20020080832 - Chang, Do-Il ;   et al. | 2002-06-27 |
Optical fiber mode-locked laser Grant 6,385,216 - Chang , et al. May 7, 2 | 2002-05-07 |
Optical device for generating a plurality of optical signals App 20020001125 - Chang, Do-Il ;   et al. | 2002-01-03 |
Optical fiber raman laser Grant 6,163,554 - Chang , et al. December 19, 2 | 2000-12-19 |