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OPTICAL PHASE-SENSITIVE AMPLIFIER WITH RAMAN AMPLIFIER INTERMEDIATE STAGE
OPTICAL PHASE-SENSITIVE AMPLIFIER WITH RAMAN AMPLIFIER INTERMEDIATE STAGE
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机译:具有拉曼放大器中间级的光学相敏放大器
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摘要
A method and system for amplifying optical signals includes generating idler signals for input signals using an optical pump at a first non-linear element (NLE). An intermediate stage including a Raman amplifier performs pump amplification using the output from the first NLE along a single optical path. Optical power monitoring of the input signals may be used for power equalization. The intermediate stage may include a wavelength selective switch for a certain degree of phase modulation. The phase-sensitive amplified signal is generated at a second NLE using the optical pump. Optical power monitoring of the input signals may be used for power equalization and other control functions to achieve low-noise operation.
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