REDUCTION OF WAVELENGTH SELECTIVE SWITCH (WSS) FILTER-BASED IMPAIRMENT USING COMPARATIVE CHANNEL PRE-EMPHASIS
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United States of America Patent
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app pub date -
Dec 30, 2014
filing date -
Dec 30, 2014
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Abstract
A method may include transmitting, by an optical device, a first set of channels at a first transmission power. The first set of channels may be attenuated during transmission by a filter associated with a wavelength selective switch. The method may further include transmitting, by the optical device, a second set of channels at a second transmission power. The second set of channels may be attenuated during transmission by the filter associated with the wavelength selective switch. The first set of channels and the second set of channels may be included in a super-channel. The first transmission power may be selected based on a first signal quality factor resulting from attenuation, by the filter, of the first set of channels. The second transmission power may be selected based on a second signal quality factor resulting from attenuation, by the filter, of the second set of channels.
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