76422310
Jun 18, 2002
SEMICONDUCTOR LASER DEVICE; SEMICONDUCTOR LASER MODULES; SEMICONDUCTOR DEVICE FORMED BY INTEGRATING A PLURALITY OF SEMICONDUCTOR LASER MODULES; FIBER-OPTIC AMPLIFIERS; OPTICAL TELECOMMUNICATION MACHINES AND APPARATUS; AWGS ( ARRAYED WAVEGUIDE GRATING) SEMICONDUCTOR LASER APPARATUS ANS INSTRUMENTS; SEMICONDUCTOR DEVICE; SPLITTERS; COUPLERS; PUMP LASERS; LASERS; SOURCE LASERS; DETECTORS; MODULATORS; FBGS (FIBER BRAGG GRATING); FIBER COUPLERS; FILTERS; ATTENUATORS ISOLATORS; CIRCULATORS-- GAIN EQUALIZERS; AMPLIFIERS; MULTIPLEXERS; DEMULTIPLEXERS; ADD-DROP MODULES SWITCHES; HYBRID MODULES; SIGNAL LASER; TUNABLE LASER
Electrical and Scientific Apparatus