Methods and apparatus for measuring the power spectrum of optical signals
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United States of America Patent
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Oct 5, 2004
Grant Date -
Nov 22, 2001
app pub date -
Mar 16, 2001
filing date -
Jun 16, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of measuring a power spectrum of an optical signal. The optical signal is transmitted through an optical fiber. A power of at least one wavelength of the optical signal is coupled from a first mode to a second mode of the waveguide. The power of the optical signal coupled from the first mode to the second mode is measured at a detector.
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