REDUCING POWER REQUIREMENTS FOR OPTICAL LINKS
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United States of America Patent
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app pub date -
Feb 19, 2016
filing date -
May 20, 2013
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Abstract
An optical system includes a device selected from a transmitter and a receiver. The transmitter has multiple laser cavities that each generates an optical channel at a different channel wavelength. The transmitter is also configured to modulate the optical channels into modulated light signals. The receiver is configured to demultiplex modulated light signals and use the demultiplexed light signals to generate electrical signals. The device is configured to operate in an atmosphere having an operational temperature range that includes a range of temperatures extending from TL to TH. Electronics are configured to elevate the temperature of the device when the temperature of the atmosphere is in a first portion of the temperature range from TL to TH but not elevate the temperature of the controlled device when the temperature of the atmosphere is in a second portion of the temperature range from TL to TH.
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