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Driving device and driving method for phase controller, and optical switch
Grant 10,901,242 - Tanizawa , et al. January 26, 2 | 2021-01-26 |
Driving Device and Driving Method for Phase Controller, and Optical Switch
App 20200271962 - TANIZAWA; Ken ; et al. | 2020-08-27 |
Light beam deflecting element, wavelength-selective cross-connect device using same, and optical cross-connect device
Grant 10,613,412 - Uetsuka , et al. | 2020-04-07 |
Optical Communication Device And Optical Communication System
App 20200045388 - ISHII; Kiyo ; et al. | 2020-02-06 |
Optical switch, and optical node monitoring system and monitoring method
Grant 10,298,319 - Kurosu , et al. | 2019-05-21 |
Optical Switch, And Optical Node Monitoring System And Monitoring Method
App 20190013863 - Kurosu; Takayuki ; et al. | 2019-01-10 |
Light Beam Deflecting Element, Wavelength-selective Cross-connect Device Using Same, And Optical Cross-connect Device
App 20180143508 - Uetsuka; Hisato ; et al. | 2018-05-24 |
Laser apparatus and method to re-tune emission wavelength tunable LD
Grant 9,444,221 - Uesaka , et al. September 13, 2 | 2016-09-13 |
System to control wavelength and method to control wavelength
Grant 9,395,504 - Uesaka , et al. July 19, 2 | 2016-07-19 |
Raman amplifier, optical repeater, and Raman amplification method
Grant 9,281,654 - Akasaka , et al. March 8, 2 | 2016-03-08 |
Laser Apparatus And Method To Re-tune Emission Wavelength Of Wavelength Tunable Ld
App 20160006212 - Uesaka; Katsumi ; et al. | 2016-01-07 |
System To Control Wavelength And Method To Control Wavelength
App 20150076990 - UESAKA; Katsumi ; et al. | 2015-03-19 |
Raman Amplifier, Optical Repeater, And Raman Amplification Method
App 20130286468 - AKASAKA; Youichi ; et al. | 2013-10-31 |
Raman amplifier, optical repeater, and Raman amplification method
Grant 8,437,074 - Akasaka , et al. May 7, 2 | 2013-05-07 |
Wavelength Division Multiplex Optical Regeneration System And Wavelength Division Multiplex Optical Regeneration Method
App 20120027343 - IGARASHI; Koji ; et al. | 2012-02-02 |
Wavelength division multiplex optical regeneration system and wavelength division multiplex optical regeneration method
Grant 8,059,966 - Igarashi , et al. November 15, 2 | 2011-11-15 |
Raman Amplifier, Optical Repeater, And Raman Amplification Method
App 20110141553 - AKASAKA; Youichi ; et al. | 2011-06-16 |
Light source in optical transmission system, waveform shaper, optical pulse train generator and optical reproduction system
Grant 7,769,298 - Igarashi , et al. August 3, 2 | 2010-08-03 |
Raman amplifier, optical repeater, and Raman amplification method
Grant 7,692,852 - Akasaka , et al. April 6, 2 | 2010-04-06 |
Raman Amplifier, Optical Repeater, And Raman Amplification Method
App 20100067099 - AKASAKA; Youichi ; et al. | 2010-03-18 |
Raman amplifier, optical repeater, and raman amplification method
Grant 7,548,368 - Akasaka , et al. June 16, 2 | 2009-06-16 |
Method and apparatus for controlling multiple-wavelength-pumped Raman amplifier and computer product
Grant 7,535,629 - Fujimura , et al. May 19, 2 | 2009-05-19 |
Light Source In Optical Transmission System, Waveform Shaper, Optical Pulse Train Generator And Optical Reproduction System
App 20090092400 - IGARASHI; Koji ; et al. | 2009-04-09 |
Method of designing optical pulse shaping device and optical pulse shaping device
Grant 7,483,608 - Inoue , et al. January 27, 2 | 2009-01-27 |
Light source in optical transmission system, waveform shaper, optical pulse train generator, and optical reproduction system
Grant 7,447,444 - Igarashi , et al. November 4, 2 | 2008-11-04 |
Optical signal processing device for A/D converter including optical encoders with nonlinear loop mirrors
Grant 7,423,564 - Kitayama , et al. September 9, 2 | 2008-09-09 |
Optical signal amplifier
Grant 7,400,442 - Matsushita , et al. July 15, 2 | 2008-07-15 |
Optical Signal Processing Device For A/D Converter Including Optical Encoders With Nonlinear Loop Mirrors
App 20080129564 - Kitayama; Ken-ichi ; et al. | 2008-06-05 |
Method And Apparatus For Controlling Multiple-wavelength-pumped Raman Amplifier And Computer Product
App 20080040057 - Fujimura; Koji ; et al. | 2008-02-14 |
Method of Designing Optical Pulse Shaping Device and Optical Pulse Shaping Device
App 20070280613 - Inoue; Takashi ; et al. | 2007-12-06 |
Raman Amplifier, Optical Repeater, And Raman Amplification Method
App 20070247701 - Akasaka; Youichi ; et al. | 2007-10-25 |
Method and apparatus for controlling multiple-wavelength-pumped raman amplifier and computer product
Grant 7,262,903 - Fujimura , et al. August 28, 2 | 2007-08-28 |
Pumping light source having amplification-band extending function for Raman amplification, Raman amplifier using the same, and method and program for setting amplification band extension
Grant 7,224,513 - Oguri , et al. May 29, 2 | 2007-05-29 |
Raman amplifier, pump source for use in a raman amplifier and method for amplifying an optical signal
Grant 7,206,123 - Emori , et al. April 17, 2 | 2007-04-17 |
Tunable multimode wavelength division multiplex Raman pump and amplifier, and a system, method, and computer program product for controlling tunable Raman pumps, and Raman amplifiers
Grant 7,199,919 - Emori , et al. April 3, 2 | 2007-04-03 |
Method for efficient four-wave mixing generation and short pulse generation equipment using the method
Grant 7,155,095 - Aso , et al. December 26, 2 | 2006-12-26 |
Wavelength division multiplex optical regeneration system and wavelength division multiplex optical regeneration method
App 20060204170 - Igarashi; Koji ; et al. | 2006-09-14 |
Depolarized laser diode module and depolarized laser diode light source
Grant 7,072,369 - Matsushita , et al. July 4, 2 | 2006-07-04 |
Wavelength converter and wavelength division multiplexing transmission method using the same
Grant 7,061,664 - Aso , et al. June 13, 2 | 2006-06-13 |
Depolarized Laser Diode Module And Depolarized Laser Diode Light Source
App 20060109875 - Matsushita; Shunichi ; et al. | 2006-05-25 |
Raman amplifier
Grant 7,050,221 - Emori , et al. May 23, 2 | 2006-05-23 |
Light source in optical transmission system, waveform shaper, optical pulse train generator, and optical reproduction system
App 20060002715 - Igarashi; Koji ; et al. | 2006-01-05 |
Method and apparatus for controlling multiple-wavelength-pumped raman amplifier and computer product
App 20060001950 - Fujimura; Koji ; et al. | 2006-01-05 |
Pump light source device for optical Raman amplification and optical Raman amplification system using the same
Grant 6,977,769 - Matsushita , et al. December 20, 2 | 2005-12-20 |
Pumping light source having amplification-band extending function for raman amplification, raman amplifier using the same, and method and program for setting amplification band extension
App 20050179990 - Oguri, Atsushi ; et al. | 2005-08-18 |
Raman amplifier
App 20050157379 - Emori, Yoshihiro ; et al. | 2005-07-21 |
Optical pulse generator
Grant 6,920,263 - Tadakuma , et al. July 19, 2 | 2005-07-19 |
Raman amplifier system, apparatus and method for identifying, obtaining and maintaining an arbitrary Raman amplification performance
Grant 6,917,466 - Namiki , et al. July 12, 2 | 2005-07-12 |
Raman amplifier, pump source for use in a raman amplifier and method for amplifying an optical signal
App 20050105165 - Emori, Yoshihiro ; et al. | 2005-05-19 |
Raman amplifier
Grant 6,882,468 - Emori , et al. April 19, 2 | 2005-04-19 |
Raman amplification method and optical signal transmission method using the same
Grant 6,882,467 - Emori , et al. April 19, 2 | 2005-04-19 |
Raman Amplification Method And Optical Signal Transmission Method Using Same
App 20050078352 - Emori, Yoshihiro ; et al. | 2005-04-14 |
Semiconductor laser device, semiconductor laser module, and optical fiber amplifier using the device or module
Grant 6,845,117 - Wakisaka , et al. January 18, 2 | 2005-01-18 |
Light source comprising laser diode module
Grant 6,839,367 - Nagamatsu , et al. January 4, 2 | 2005-01-04 |
Raman amplification method and optical transmission system using the same
App 20040240038 - Kado, Soko ; et al. | 2004-12-02 |
Raman amplifier
Grant 6,825,972 - Emori , et al. November 30, 2 | 2004-11-30 |
Raman amplifier, optical repeater, and raman amplification method
App 20040190909 - Akasaka, Youichi ; et al. | 2004-09-30 |
Wavelength converter and wavelength division multiplexing transmission method using same
App 20040184807 - Aso, Osamu ; et al. | 2004-09-23 |
Raman amplifier, optical repeater, and raman amplification method
Grant 6,775,057 - Akasaka , et al. August 10, 2 | 2004-08-10 |
Tunable Multimode Laser Diode Module, Tunable Multimode Wavelength Division Multiplex Raman Pump, And Amplifier, And A System, Method, And Computer Program Product For Controlling Tunable Multimode Laser Diodes, Raman Pumps, And Raman Amplifiers
Grant 6,768,577 - Eggleton , et al. July 27, 2 | 2004-07-27 |
Optical signal amplifier
App 20040109230 - Matsushita, Shunichi ; et al. | 2004-06-10 |
Raman amplifier
App 20040051937 - Emori, Yoshihiro ; et al. | 2004-03-18 |
Raman amplifier system, apparatus and method for identifying, obtaining and maintaining an arbitrary raman amplification performance
App 20040032641 - Namiki, Shu ; et al. | 2004-02-19 |
Wavelength converter and wavelength division multiplexing transmission method using same
Grant 6,665,113 - Aso , et al. December 16, 2 | 2003-12-16 |
Raman amplifier, optical repeater, and Raman amplification method
Grant 6,654,162 - Akasaka , et al. November 25, 2 | 2003-11-25 |
Tunable multimode wavelength division multiplex raman pump and amplifier, and a system, method, and computer program product for controlling tunable raman pumps, and raman amplifiers
App 20030210457 - Emori, Yoshihiro ; et al. | 2003-11-13 |
Raman amplifier, optical repeater, and Raman amplification method
Grant 6,646,787 - Akasaka , et al. November 11, 2 | 2003-11-11 |
Raman amplifier, optical repeater, and raman amplification method
Grant 6,636,344 - Akasaka , et al. October 21, 2 | 2003-10-21 |
Raman amplification method and optical signal transmission method using same
Grant 6,633,697 - Emori , et al. October 14, 2 | 2003-10-14 |
Tunable multimode laser diode module, tunable multimode wavelength division multiplex raman pump, and amplifier, and a system, method, and computer program product for controlling tunable multimode laser diodes, raman pumps, and raman amplifiers
App 20030174387 - Eggleton, Benjamin J. ; et al. | 2003-09-18 |
Raman amplifier system, apparatus and method for identifying, obtaining and maintaining an arbitrary Raman amplification performance
Grant 6,611,370 - Namiki , et al. August 26, 2 | 2003-08-26 |
Optical signal amplifier
Grant 6,611,369 - Matsushita , et al. August 26, 2 | 2003-08-26 |
Method for efficient four-wave mixing generation and short pulse generation equipment using the method
App 20030152346 - Aso, Osamu ; et al. | 2003-08-14 |
Semiconductor laser device, semiconductor laser module, and optical fiber amplifier using the device or module
App 20030086174 - Wakisaka, Tsuyoshi ; et al. | 2003-05-08 |
Raman amplifier
App 20030063373 - Emori, Yoshihiro ; et al. | 2003-04-03 |
Raman amplifier, optical repeater, and raman amplification method
App 20030058524 - Akasaka, Youichi ; et al. | 2003-03-27 |
Raman amplifier, optical repeater, and Raman amplification method
App 20030053199 - Akasaka, Youichi ; et al. | 2003-03-20 |
Optical pulse generator
App 20030012492 - Tadakuma, Masateru ; et al. | 2003-01-16 |
Raman amplifier, optical repeater, and raman amplification method
Grant 6,501,593 - Akasaka , et al. December 31, 2 | 2002-12-31 |
Optical Signal Amplifier
App 20020176153 - Matsushita , Shunichi ; et al. | 2002-11-28 |
Pump light source device for optical Raman amplification and optical Raman amplification system using the same
App 20020141698 - Matsushita, Shunichi ; et al. | 2002-10-03 |
Optical fiber type wide bandwidth wavelength converter and wavelength converting optical fiber used therefor
Grant 6,459,525 - Aso , et al. October 1, 2 | 2002-10-01 |
Raman amplifier, optical repeater, and raman amplification method
App 20020085267 - Akasaka, Youichi ; et al. | 2002-07-04 |
Light source comprising laser diode module
App 20020054615 - Nagamatsu, Shinya ; et al. | 2002-05-09 |
Optical component
App 20020025115 - Tsuda, Toshiaki ; et al. | 2002-02-28 |
Raman amplifier, optical repeater, and Raman amplification method
App 20020021487 - Akasaka, Youichi ; et al. | 2002-02-21 |
Raman amplification method and optical signal transmission method using same
App 20020021864 - Emori, Yoshihiro ; et al. | 2002-02-21 |
Raman amplifier system, apparatus and method for identifying, obtaining and maintaining an arbitrary raman amplification performance
App 20010050802 - Namiki, Shu ; et al. | 2001-12-13 |
Raman amplifier, optical repeater, and raman amplification method
App 20010046083 - Akasaka, Youichi ; et al. | 2001-11-29 |
Optical component
App 20010036335 - Tsuda, Toshiaki ; et al. | 2001-11-01 |
Raman amplifier, optical repeater, and raman amplification method
Grant 6,292,288 - Akasaka , et al. September 18, 2 | 2001-09-18 |
Wavelength converter and wavelength division multiplexing transmission method using same
App 20010007509 - Aso, Osamu ; et al. | 2001-07-12 |
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