Patent | Date |
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Method, apparatus and system for minimally intrusive fiber identification Grant 10,168,247 - Frigo , et al. J | 2019-01-01 |
Method, Apparatus And System For Minimally Intrusive Fiber Identification App 20180045605 - Frigo; Nicholas J. ;   et al. | 2018-02-15 |
Method, apparatus and system for minimally intrusive fiber identification Grant 9,797,807 - Frigo , et al. October 24, 2 | 2017-10-24 |
Method, Apparatus And System For Minimally Intrusive Fiber Identification App 20170089803 - Frigo; Nicholas J. ;   et al. | 2017-03-30 |
Method, apparatus and system for minimally intrusive fiber identification Grant 9,534,982 - Frigo , et al. January 3, 2 | 2017-01-03 |
Method, Apparatus And System For Minimally Intrusive Fiber Identification App 20160116370 - Frigo; Nicholas J. ;   et al. | 2016-04-28 |
Method, apparatus and system for minimally intrusive fiber identification Grant 9,243,973 - Frigo , et al. January 26, 2 | 2016-01-26 |
Method, Apparatus And System For Minimally Intrusive Fiber Identification App 20140354978 - FRIGO; NICHOLAS J. ;   et al. | 2014-12-04 |
Method, apparatus and system for minimally intrusive fiber identification Grant 8,811,780 - Frigo , et al. August 19, 2 | 2014-08-19 |
High-capacity packet-switched ring network Grant 08619807 - | 2013-12-31 |
High-capacity packet-switched ring network Grant 8,619,807 - Borditsky , et al. December 31, 2 | 2013-12-31 |
Method and apparatus for broadband mitigation of polarization mode dispersion Grant 8,543,007 - Boroditsky , et al. September 24, 2 | 2013-09-24 |
System and method for operating transparent node for WDM shared "virtual ring" networks Grant 8,532,485 - Frigo , et al. September 10, 2 | 2013-09-10 |
High-capacity Packet-switched Ring Network App 20130010805 - Boroditsky; Mikhail ;   et al. | 2013-01-10 |
High-capacity packet-switched ring network Grant 8,306,052 - Boroditsky , et al. November 6, 2 | 2012-11-06 |
System and Method for Operating Transparent Node for WDM Shared "Virtual Ring" Networks App 20120099866 - Frigo; Nicholas J. ;   et al. | 2012-04-26 |
Method for operating transparent node for WDM shared "virtual ring" networks Grant 8,068,733 - Frigo , et al. November 29, 2 | 2011-11-29 |
Method, Apparatus And System For Minimally Intrusive Fiber Identification App 20110235024 - Frigo; Nicholas J. ;   et al. | 2011-09-29 |
Method, apparatus and system for minimally intrusive fiber identification Grant 8,023,774 - Frigo , et al. September 20, 2 | 2011-09-20 |
Method for increasing accuracy of measurement of mean polarization mode dispersion Grant 7,956,993 - Boroditsky , et al. June 7, 2 | 2011-06-07 |
Method and Apparatus for Broadband Mitigation of Polarization Mode Dispersion App 20110129215 - BORODITSKY; Mikhail ;   et al. | 2011-06-02 |
Method for Operating Transparent Node for WDM Shared "Virtual Ring" Networks App 20110123195 - Frigo; Nicholas J. ;   et al. | 2011-05-26 |
Method for Increasing Accuracy of Measurement of Mean Polarization Mode Dispersion App 20110051126 - Boroditsky; Mikhail ;   et al. | 2011-03-03 |
Method and apparatus for broadband mitigation of polarization mode dispersion Grant 7,869,716 - Boroditsky , et al. January 11, 2 | 2011-01-11 |
System for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion, of RF service bands within wavelength bands Grant 7,860,393 - Birk , et al. December 28, 2 | 2010-12-28 |
Method for increasing accuracy of measurement of mean polarization mode dispersion Grant 7,852,467 - Boroditsky , et al. December 14, 2 | 2010-12-14 |
Method for operating transparent node for WDM shared "virtual ring" networks Grant 7,844,179 - Frigo , et al. November 30, 2 | 2010-11-30 |
High-capacity packet-switched network Grant 7,805,076 - Boroditsky , et al. September 28, 2 | 2010-09-28 |
Optical devices with multiple wafers containing planar optical waveguides Grant 7,792,407 - Feuer , et al. September 7, 2 | 2010-09-07 |
Estimating optical transmission system penalties induced by polarization mode dispersion (PMD) Grant 7,773,207 - Boroditsky , et al. August 10, 2 | 2010-08-10 |
Method for Increasing Accuracy of Measurement of Mean Polarization Mode Dispersion App 20100134788 - Boroditsky; Mikhail ;   et al. | 2010-06-03 |
Method for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion of RF service bands with wavelength bands Grant 7,725,028 - Birk , et al. May 25, 2 | 2010-05-25 |
Method for operating transparent node for WDM shared "virtual ring" networks App 20090148163 - Frigo; Nicholas J. ;   et al. | 2009-06-11 |
Optical devices with multiple wafers containing planar optical wavequides App 20090092355 - Feuer; Mark D. ;   et al. | 2009-04-09 |
High-capacity Packet-switched Ring Network App 20090074005 - BORODITSKY; MIKHAIL ;   et al. | 2009-03-19 |
High-capacity Packet-switched Network App 20090074409 - BORODITSKY; MIKHAIL ;   et al. | 2009-03-19 |
System for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion, of RF service bands within wavelength bands Grant 7,466,919 - Birk , et al. December 16, 2 | 2008-12-16 |
High-capacity packet-switched ring network Grant 7,454,139 - Boroditsky , et al. November 18, 2 | 2008-11-18 |
Method for operating transparent node for WDM shared `virtual ring` networks Grant 7,450,846 - Frigo , et al. November 11, 2 | 2008-11-11 |
System for transparent node for WDM shared "virtual ring" networks Grant 7,450,847 - Frigo , et al. November 11, 2 | 2008-11-11 |
Optical devices with multiple wafers containing planar optical waveguides Grant 7,437,031 - Feuer , et al. October 14, 2 | 2008-10-14 |
Estimating optical transmission system penalties induced by polarization mode dispersion (PMD) Grant 7,414,711 - Boroditsky , et al. August 19, 2 | 2008-08-19 |
Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch Grant 7,366,417 - Feuer , et al. April 29, 2 | 2008-04-29 |
Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides Grant 7,362,932 - Feuer , et al. April 22, 2 | 2008-04-22 |
Method and apparatus for increasing the security of the physical fiber plant by polarization monitoring App 20080062407 - Boroditsky; Mikhail ;   et al. | 2008-03-13 |
Method, Apparatus And System For Minimally Intrusive Fiber Identification App 20080024769 - Frigo; Nicholas J. ;   et al. | 2008-01-31 |
System for transparent node for WDM shared "virtual ring" networks Grant 7,319,817 - Frigo , et al. January 15, 2 | 2008-01-15 |
Method for Increasing Accuracy of Measurement of Mean Polarization Mode Dispersion App 20080007719 - Boroditsky; Mikhail ;   et al. | 2008-01-10 |
Method for increasing accuracy of measurement of mean polarization mode dispersion Grant 7,292,322 - Boroditsky , et al. November 6, 2 | 2007-11-06 |
Method of flexible multiple broadcast service delivery over a WDM passive optical network based on RF Block-conversion of RF service bands within wavelength bands Grant 7,286,761 - Birk , et al. October 23, 2 | 2007-10-23 |
Method, apparatus and system for minimally intrusive fiber identification Grant 7,283,688 - Frigo , et al. October 16, 2 | 2007-10-16 |
Estimating optical transmission system penalties induced by polarization mode dispersion (PMD) Grant 7,256,876 - Boroditsky , et al. August 14, 2 | 2007-08-14 |
Optical devices with multiple wafers containing planar optical wavequides App 20070147739 - Feuer; Mark D. ;   et al. | 2007-06-28 |
Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides App 20070081767 - Feuer; Mark D. ;   et al. | 2007-04-12 |
Method for fabricating optical devices by assembling multiple wafers containing planar optical wavequides App 20070077007 - Feuer; Mark D. ;   et al. | 2007-04-05 |
Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides Grant 7,200,303 - Feuer , et al. April 3, 2 | 2007-04-03 |
Method for providing high connectivity communications over a packet-switched optical ring network using composite packets Grant 7,190,899 - Boroditsky , et al. March 13, 2 | 2007-03-13 |
Method and apparatus for measuring frequency-resolved states of polarization of a working optical channel using polarization-scrambled heterodyning Grant 7,174,107 - Boroditsky , et al. February 6, 2 | 2007-02-06 |
Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides Grant 7,164,826 - Feuer , et al. January 16, 2 | 2007-01-16 |
Method for operating transparent node for WDM shared "virtual ring" networks Grant 7,158,722 - Frigo , et al. January 2, 2 | 2007-01-02 |
High-capacity packet-switched ring network App 20060251417 - Boroditsky; Mikhail ;   et al. | 2006-11-09 |
Technique for mitigation of polarization mode dispersion in fiber optic transmission links Grant 7,095,912 - Frigo , et al. August 22, 2 | 2006-08-22 |
System for providing high connectivity communications over a packet-switched optical ring network using composite packets Grant 7,092,631 - Boroditsky , et al. August 15, 2 | 2006-08-15 |
High-capacity packet-switched ring network Grant 7,085,494 - Boroditsky , et al. August 1, 2 | 2006-08-01 |
Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides Grant 7,085,454 - Feuer , et al. August 1, 2 | 2006-08-01 |
System for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion of RF service bands within wavelength bands Grant 7,085,495 - Birk , et al. August 1, 2 | 2006-08-01 |
Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch App 20060153563 - Feuer; Mark D. ;   et al. | 2006-07-13 |
Method for composite packet-switching over WDM by transparent photonic slot routing App 20060120722 - Boroditsky; Mikhail ;   et al. | 2006-06-08 |
Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides App 20060115216 - Feuer; Mark D. ;   et al. | 2006-06-01 |
Method, apparatus and system for minimally intrusive fiber identification App 20060110088 - Frigo; Nicholas J. ;   et al. | 2006-05-25 |
Method for providing high connectivity communications over a packet-switched optical ring network using composite packets Grant 7,046,931 - Boroditsky , et al. May 16, 2 | 2006-05-16 |
Fault location apparatus and procedures in CWDM business applications using wavelength selective OTDR Grant 7,042,559 - Frigo , et al. May 9, 2 | 2006-05-09 |
Technique for mitigation of polarization mode dispersion in fiber optic transmission links Grant 7,031,559 - Frigo , et al. April 18, 2 | 2006-04-18 |
Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch Grant 7,027,733 - Feuer , et al. April 11, 2 | 2006-04-11 |
System for transparent node for WDM shared "virtual ring" networks Grant 7,006,767 - Frigo , et al. February 28, 2 | 2006-02-28 |
Method for providing high connectivity communications over a packet-switched optical ring network using composite packets App 20060029392 - Boroditsky; Mikhail ;   et al. | 2006-02-09 |
Method for fabricating optical devices by assembling multiple wafers containing planar optical wavequides App 20060018598 - Feuer; Mark D. ;   et al. | 2006-01-26 |
Technique for mitigation of polarization mode dispersion in fiber optic transmission links Grant 6,961,483 - Frigo , et al. November 1, 2 | 2005-11-01 |
Method and apparatus for measuring frequency-resolved states of polarization of a working optical channel using polarization-scrambled heterodyning App 20050232640 - Boroditsky, Mikhail ;   et al. | 2005-10-20 |
Four-port wavelength-selective crossbar switches (4WCS) using reciprocal WDM mux-demux and optical circulator combination App 20050226620 - Feuer, Mark D. ;   et al. | 2005-10-13 |
MAC protocol for optical packet-switched ring network Grant 6,925,259 - Boroditsky , et al. August 2, 2 | 2005-08-02 |
Method for increasing accuracy of measurement of mean polarization mode dispersion App 20050140965 - Boroditsky, Mikhail ;   et al. | 2005-06-30 |
Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides App 20050094942 - Feuer, Mark D. ;   et al. | 2005-05-05 |
Power spectrum monitoring and management in a wavelength division multiplexed network Grant 6,871,020 - Boroditsky , et al. March 22, 2 | 2005-03-22 |
Method, apparatus and system for minimally intrusive fiber identification App 20050041902 - Frigo, Nicholas J. ;   et al. | 2005-02-24 |
Technique for mitigation of polarization mode dispersion in fiber optic transmission links Grant 6,856,711 - Frigo , et al. February 15, 2 | 2005-02-15 |
Four-port wavelength-selective crossbar switches (4WCS) using reciprocal WDM MUX-DEMUX and optical circulator combination Grant 6,751,372 - Feuer , et al. June 15, 2 | 2004-06-15 |
Multiple input waveguide grating router for broadcast and multicast services Grant 6,697,574 - Frigo , et al. February 24, 2 | 2004-02-24 |
Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides App 20040028336 - Feuer, Mark D. ;   et al. | 2004-02-12 |
Virtual common space: using WDM in metro access networks App 20030072057 - Frigo, Nicholas J. ;   et al. | 2003-04-17 |
Micro-machined tunable delay line Grant 6,498,673 - Frigo , et al. December 24, 2 | 2002-12-24 |
Simultaneous delivery of 1280 video channels over a WDM passive optical network App 20020145780 - Frigo, Nicholas J. ;   et al. | 2002-10-10 |
Four-port wavelength-selective crossbar switches (4WCS) using reciprocal WDM MUX-DEMUX and optical circulator combination App 20020131689 - Feuer, Mark D. ;   et al. | 2002-09-19 |
Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch App 20020131117 - Feuer, Mark D. ;   et al. | 2002-09-19 |
Micro-machine polarization-state controller Grant 6,445,485 - Frigo , et al. September 3, 2 | 2002-09-03 |
MAC protocol for optical packet-switched ring network App 20020105963 - Boroditsky, Mikhail ;   et al. | 2002-08-08 |
Method for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion of RF service bands within wavelength bands App 20020093710 - Birk, Martin ;   et al. | 2002-07-18 |
Method for providing high connectivity communications over a packet-switched optical ring network using composite packets App 20020089717 - Boroditsky, Mikhail ;   et al. | 2002-07-11 |
High-capacity packet-switched ring network App 20020085802 - Boroditsky, Mikhail ;   et al. | 2002-07-04 |
Method for composite packet-switching over WDM by transparent photonic slot routing App 20020071153 - Boroditsky, Mikhail ;   et al. | 2002-06-13 |
System for composit packet-switching over WDM by transparent photonic slot routing App 20020064165 - Boroditsky, Mikhail ;   et al. | 2002-05-30 |
System for providing high connectivity communications over a packet-switched optical ring network using composite packets App 20020057474 - Boroditsky, Mikhail ;   et al. | 2002-05-16 |
System for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion of RF service bands within wavelength bands App 20020033977 - Birk, Martin ;   et al. | 2002-03-21 |
Multiple input waveguide grating router for broadcast and multicast services App 20020015204 - Frigo, Nicholas J. ;   et al. | 2002-02-07 |
Optical node system for a ring architecture and method thereof App 20010002150 - Frigo, Nicholas J. | 2001-05-31 |
Optical node system for a ring architecture and method thereof Grant 6,222,654 - Frigo April 24, 2 | 2001-04-24 |
Coherent optical communication system Grant 6,118,565 - Frigo September 12, 2 | 2000-09-12 |
Article comprising a photostrictive switching element Grant 6,014,477 - Barber , et al. January 11, 2 | 2000-01-11 |
Passive optical network with diagnostic loop-back Grant 5,907,417 - Darcie , et al. May 25, 1 | 1999-05-25 |
Optical communication system with improved maintenance capabilities Grant 5,815,295 - Darcie , et al. September 29, 1 | 1998-09-29 |
Multiple star, passive optical network based on remote interrogation of terminal equipment Grant 5,808,764 - Frigo , et al. September 15, 1 | 1998-09-15 |
Optical communication system with improved maintenance capabilities Grant 5,790,287 - Darcie , et al. August 4, 1 | 1998-08-04 |
Multiplicity of services via a wavelength division router Grant 5,742,414 - Frigo , et al. April 21, 1 | 1998-04-21 |
Optical communication system and remote sensor interrogation Grant 5,710,648 - Frigo January 20, 1 | 1998-01-20 |
Method of recovering from a fiber-cable cut using random splicing reconnection Grant 5,708,753 - Frigo , et al. January 13, 1 | 1998-01-13 |
Wavelength division multiplexing passive optical network including broadcast overlay Grant 5,694,234 - Darcie , et al. December 2, 1 | 1997-12-02 |
Passive optical network with bi-directional optical spectral slicing and loop-back Grant 5,680,234 - Darcie , et al. October 21, 1 | 1997-10-21 |
Arrangement for interconnecting an optical fiber to an optical component Grant 5,625,733 - Frigo , et al. April 29, 1 | 1997-04-29 |
Wavelength division multiplexing passive optical network with bi-directional optical spectral slicing Grant 5,574,584 - Darcie , et al. November 12, 1 | 1996-11-12 |
Low power optical network unit Grant 5,504,606 - Frigo April 2, 1 | 1996-04-02 |
Network comprising a space division photonic switch and a terminal which forms an output signal from an input signal Grant 5,502,587 - Frigo March 26, 1 | 1996-03-26 |
Switched state fiber optic gyroscope Grant 4,776,700 - Frigo October 11, 1 | 1988-10-11 |
Method for reduction of polarization fading in interferometers Grant 4,653,915 - Frigo , et al. March 31, 1 | 1987-03-31 |