Inventor
KOTAKI YUJI
JP6 patents
Patents
6 patentsUS5170402ADec 8, 1992
Tunable laser diode having a distributed feedback structure
FUJITSU LTD60 citations94
US6847662B2Jan 25, 2005
Wavelength-selectable laser capable of high-speed frequency control
FUJITSU LTD38 citations92
US5358898AOct 25, 1994
Method of making a tunable laser diode having a distributed feedback structure
FUJITSU LTD20 citations91
US5255276AOct 19, 1993
Driver circuit of a tunable laser diode
FUJITSU LTD23 citations91
US6376338B2Apr 23, 2002
Manufacturing method of a semiconductor device having a diffraction grating
FUJITSU LTD5 citations62
US7130322B2Oct 31, 2006
Wavelength tunable laser and method of controlling the same
FUJITSU LTD3 citations61