Process for the transposition of an optical modulation of one wavelength to another adjustable wavelength
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United States of America Patent
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Jul 23, 1996
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N/A
app pub date -
Sep 2, 1994
filing date -
Sep 9, 1993
priority date (Note) -
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Abstract
A process for the transposition of a modulation of an adjustable wavelength. A semiconductor amplifier is relooped through a feedback loop including a filter set to a first wavelength. An incident beam set at a second wavelength which is amplitude modulated is injected into the semiconductor amplifier laser. The incident beam is either extinguished or allows self-oscillation to be established in the loop. Thus, the modulation is transposed from the second wavelength to the first wavelength.
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