Inventor
SARUWATARI MASATOSHI
JP13 patents
Patents
13 patentsUS5999548ADec 7, 1999
White optical pulse source and applications
NIPPON TELEGRAPH & TELEPHONE113 citations97
US5646774AJul 8, 1997
Mode-locked laser stabilizing method and apparatus
NIPPON TELEGRAPH & TELEPHONE65 citations96
US6204944B1Mar 20, 2001
All-optical time-division demultiplexing circuit and all-optical TDM-WDM conversion circuit
NIPPON TELEGRAPH & TELEPHONE61 citations95
US6023360AFeb 8, 2000
Multiple-channel all-optical TDM-WDM converter and multiple-channel all-optical TDM demultiplexer
NIPPON TELEGRAPH & TELEPHONE74 citations95
US5923683AJul 13, 1999
Coherent white light source and optical devices therewith
NIPPON TELEGRAPH & TELEPHONE63 citations95
US5267256ANov 30, 1993
Wavelength division multiplex type mode - lock laser device
NIPPON TELEGRAPH & TELEPHONE78 citations95
US5083874AJan 28, 1992
Optical repeater and optical network using the same
NIPPON TELEGRAPH & TELEPHONE100 citations95
US5357359AOct 18, 1994
All-optical polarization independent optical time division multiplexer and demultiplexer with birefringence compensation
NIPPON TELEGRAPH & TELEPHONE59 citations94
US5604618AFeb 18, 1997
Optical parametric circuit and optical circuit using the same
NIPPON TELEGRAPH & TELEPHONE47 citations92
US5590143ADec 31, 1996
Multiple-frequency-modulation type mode-locked laser device
NIPPON TELEGRAPH & TELEPHONE23 citations92
US5724126AMar 3, 1998
Method for measuring distribution of zero dispersion wavelengths in an optical fiber and apparatus therefor
NIPPON TELEGRAPH & TELEPHONE40 citations91
US5706113AJan 6, 1998
Phase lock loop circuit using optical correlation detection
NIPPON TELEGRAPH & TELEPHONE28 citations91
US5574588ANov 12, 1996
Phase lock loop circuit using optical correlation detection
NIPPON TELEGRAPH & TELEPHONE24 citations91