Inventor
ASO OSAMU
JP19 patents
Patents
19 patentsUS6522818B1Feb 18, 2003
Method for efficient four-wave mixing generation and short pulse generation equipment using the method
FURUKAWA ELECTRIC CO LTD63 citations96
US5965874AOct 12, 1999
Method and apparatus for measuring the polarization characteristics of optical transmission medium
FURUKAWA ELECTRIC CO LTD69 citations94
US7869014B2Jan 11, 2011
System for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber
FURUKAWA ELECTRIC CO LTD13 citations92
US7424191B2Sep 9, 2008
System for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber
FURUKAWA ELECTRIC CO LTD14 citations92
US7003202B2Feb 21, 2006
Method and system for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber, method of manufacturing optical fibers, method of measuring wavelength-dispersion distribution, method of compensating for measurement errors, and method of specifying conditions of measurement
FURUKAWA ELECTRIC CO LTD12 citations92
US6665113B2Dec 16, 2003
Wavelength converter and wavelength division multiplexing transmission method using same
FURUKAWA ELECTRIC CO LTD37 citations92
US6459525B1Oct 1, 2002
Optical fiber type wide bandwidth wavelength converter and wavelength converting optical fiber used therefor
FURUKAWA ELECTRIC CO LTD28 citations92
US7447444B2Nov 4, 2008
Light source in optical transmission system, waveform shaper, optical pulse train generator, and optical reproduction system
FURUKAWA ELECTRIC CO LTD13 citations84
US7061664B2Jun 13, 2006
Wavelength converter and wavelength division multiplexing transmission method using the same
FURUKAWA ELECTRIC CO LTD11 citations83
US6920263B2Jul 19, 2005
Optical pulse generator
FURUKAWA ELECTRIC CO LTD16 citations83
US7155095B2Dec 26, 2006
Method for efficient four-wave mixing generation and short pulse generation equipment using the method
FURUKAWA ELECTRIC CO LTD10 citations73
US7146085B2Dec 5, 2006
Method and system for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber, method of manufacturing optical fibers, method of measuring wavelength-dispersion distribution, method of compensating for measurement errors, and method of specifying conditions of measurement
FURUKAWA ELECTRIC CO LTD8 citations73
US6831775B2Dec 14, 2004
Method and apparatus for wavelength conversion
FURUKAWA ELECTRIC CO LTD11 citations73
US7054057B2May 30, 2006
Multi-frequency light source
FURUKAWA ELECTRIC CO LTD10 citations71
US6377390B1Apr 23, 2002
Optical gain equalizer, and optical amplifier and wavelength-division multiplex transmitter both comprising the optical gain equalizer
FURUKAWA ELECTRIC CO LTD6 citations70
US7769298B2Aug 3, 2010
Light source in optical transmission system, waveform shaper, optical pulse train generator and optical reproduction system
FURUKAWA ELECTRIC CO LTD4 citations62
US6892015B2May 10, 2005
Optical pulse waveform conversion
FURUKAWA ELECTRIC CO LTD5 citations62
US6384964B1May 7, 2002
Optical gain equalizer, and method for producing the optical gain equalizer, and applications of the optical gain equalizer
FURUKAWA ELECTRIC CO LTD2 citations61
US7408701B2Aug 5, 2008
Multi-frequency light source
FURUKAWA ELECTRIC CO LTD4 citations60