Optical isolator apparatus and methods
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United States of America Patent
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Jan 18, 2005
Grant Date -
Dec 18, 2003
app pub date -
Jun 15, 2002
filing date -
Jun 15, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods and apparatus for optimizing feedback suppression of optical isolators when used with variable wavelength light sources. The methods comprise positioning an optical isolator in a light beam, and adjusting feedback suppression by the optical isolator according to wavelength of the light beam. Adjusting the feedback suppression may comprise adjusting temperature of the optical isolator or a non-reciprocal rotator associated with the isolator.
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