Optical TDM multiplexer, optical TDM demultiplexer, WDM/TDM converter and TDM/WDM converter
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United States of America Patent
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Aug 10, 2004
Grant Date -
Sep 12, 2002
app pub date -
Mar 23, 2001
filing date -
Mar 24, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical TDM multiplexing apparatus to multiplex a plurality of input signals in the optical stage in the time domain according to the invention comprise a plurality of signal light sources to generate optical signals each having a wavelength different from the others to carry each of the plurality of the input signals, a timing adjuster to adjust timings between the respective optical signals so that each optical signal output from the plurality of the signal light sources is disposed on a time slot different from the others in the time domain, an optical multiplexer to multiplex each optical signal output from the timing adjuster in the wavelength domain and a wavelength converter to convert each wavelength of the output light from the optical multiplexer into a predetermined wavelength.
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