Inventor
KAWAHATA YUICHI
JP11 patents
Patents
11 patentsUS6646805B2Nov 11, 2003
Apparatus for variable wavelength dispersion and wavelength dispersion slope
FUJITSU LTD47 citations92
US7302189B2Nov 27, 2007
Optical component provided with demultiplexing function and wavelength dispersion compensator
FUJITSU LTD15 citations82
US7418206B2Aug 26, 2008
Control method of wavelength dispersion compensator, and wavelength dispersion compensator
FUJITSU LTD8 citations72
US6909537B2Jun 21, 2005
Dispersion compensator whose transmission band is flattened
FUJITSU LTD6 citations62
US7343094B2Mar 11, 2008
Transmission characteristics evaluation system and pseudo transmission path apparatus thereof
FUJITSU LTD6 citations61
US7200297B2Apr 3, 2007
Device using a virtually-imaged phased array (VIPA) with an improved transmission wave characteristic of output light
FUJITSU LTD2 citations61
US7019901B2Mar 28, 2006
Wavelength periodical filter
FUJITSU LTD2 citations61
US6900940B2May 31, 2005
Optical apparatus and device
FUJITSU LTD6 citations61
US7357521B2Apr 15, 2008
Chromatic dispersion compensation device and method
FUJITSU LTD2 citations60
US7073915B2Jul 11, 2006
Mirror fixing method and optical apparatus
FUJITSU LTD3 citations60
US6894851B2May 17, 2005
Optical device
FUJITSU LTD1 citations48