Electro-optical silicon-based phase modulator with null residual amplitude modulation
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United States of America Patent
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Apr 12, 2016
Grant Date -
Dec 18, 2014
app pub date -
Jun 9, 2014
filing date -
Jun 12, 2013
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Abstract
Systems and methods are presented for modulating a beam of radiation, such that the modulated beam exhibits substantially null residual amplitude modulation (RAM). An electro-optical modulator is presented that includes a waveguide, a first region associated with the waveguide and a second region associated with the waveguide. The waveguide is designed to guide a beam of radiation. A first electric potential applied to the first region causes a first modulation to the beam of radiation while a second electric potential applied to the second region causes a second modulation to the beam of radiation. The first modulation combined with the second modulation provides substantially null residual amplitude modulation of the beam of radiation.
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