Abhishek Anchal

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We propose and numerically verify a scheme of frequency-shift free mid-span spectral inversion for nonlinearity mitigation in standard single mode fiber. Spectral inversion is accomplished by optical phase conjugation, realized by counter-propagating dual pumped four-wave mixing in highly nonlinear fiber. The two pump frequencies are placed symmetrically(More)
We propose and numerically verify a scheme of phase-sensitive amplifier (PSA) using frequency-shift free optical phase conjugation. PSA is obtained by combining the conjugated wave with original signal. The frequency-shift free operation of phase conjugation helps in preserving the frequency of input signal during phase-sensitive amplification The(More)
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