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Frequency modulation of an electric field inside of an active medium with a very short gain recovery lifetime has become of recent interest due to the observed and calculated behavior of Quantum Cascade lasers (QCLs) exploiting optical nonlinearities to generate frequency combs in the spectral domain. Thus, in support of better understanding this behavior, we have investigated the effects of stochastic,...
A novel OCDMA scheme uses spectral line pairing to generate signals suitable for heterodyne decoding. Both signal and local reference are transmitted in one optical fiber and a simple balanced receiver performs sourceless heterodyne detection.
The sensitivity of spectrally phase encoded OCDMA performance in an environment of chromatic dispersion plus polarization mode dispersion with several signature sequence families is investigated.
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