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Method And System For A Silicon-Based Optical Phase Modulator With High Modal Overlap
Method And System For A Silicon-Based Optical Phase Modulator With High Modal Overlap
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机译:具有高模态重叠的硅基光相位调制器的方法和系统
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摘要
Methods and systems for a silicon-based optical phase modulator with high modal overlap may include, in an optical modulator having a rib waveguide in which a cross-shaped depletion region separates four alternately doped sections: receiving an optical signal at one end of the optical modulator, modulating the received optical signal by applying a modulating voltage, and communicating a modulated optical signal out of an opposite end of the modulator. The modulator may be in a silicon photonically-enabled integrated circuit which may be in a complementary-metal oxide semiconductor (CMOS) die. An optical mode may be centered on the cross-shaped depletion region. The four alternately doped sections may include: a shallow depth p-region, a shallow depth n-region, a deep p-region, and a deep n-region. The shallow depth p-region may be electrically coupled to the deep p-region periodically along the length of the modulator.
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