Patent ID: 6137613
Filing Date: 2000-10-24
Classification: H04B

Abstract:
An optical transmitter comprising:a plurality of light sources for emitting light outputs with different wavelengths, respectively;a plurality of driving circuits for driving said plurality of light sources, respectively;an optical switch having a plurality of input ports respectively connected to said plurality of light sources and a plurality of output ports;an optical switch control circuit for controlling said optical switch in response an input connection instruction such that an optional one of said plurality of input ports is connected to an optional one of said plurality of output ports to pass said light output at said optional input port to said optional output port;a plurality of optical modulators connected to said plurality of output ports, for modulating said light outputs from said output ports to output light signals, respectively; anda plurality of modulator driving circuits provided for said plurality of optical modulators, for driving said plurality of optical modulators in accordance with a plurality of data signals such that said light outputs from said output ports are optically modulated by said plurality of optical modulators, respectively.