Process for simultaneous optical modulation transposition on several wavelengths
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United States of America Patent
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Sep 10, 1996
Issued Date -
N/A
app pub date -
Sep 15, 1995
filing date -
Sep 9, 1993
priority date (Note) -
Expired
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Abstract
A process for a simultaneous optical modulation transposition on several wavelengths. Use is made of a semiconductor laser able to freely oscillate on several longitudinal modes, the semiconductor laser being able to lock on a wavelength of an incident optical beam. The modulation is transposed on the modes which are not at the wavelength of the incident optical beam. Such a process may find particular application in optical telecommunication systems.
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