1,721,240 research outputs found
Assessment of a Polarization-Independent DSP-Free Coherent Receiver for Intensity-Modulated Signals
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Effect of non uniform chromatic dispersion of fibre link in determining system limitations due to Four Wave Mixing
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Polarization-Independent Receivers for Low-Cost Coherent OOK Systems
No full textWe demonstrate analytically a novel scheme to obtain polarization-independent operation in low-cost coherent OOK receivers, suitable for access networks. We move from a well-known phase-diversity receiver, exploiting a 3 × 3 coupler, three photodiodes, and basic analogue processing. If that receiver is modified to inject the local oscillator (or the signal) into two inputs with proper polarization states, we show, by both mathematical derivation and numerical simulations, that the resulting electrical signal can be polarization-independent; this is attained only if the frequency-detuning between the signal carrier and the local oscillator is high enough, so that intrinsic second order distortions can be spectrally isolated and suppressed by the low-pass filtering of the receiver
A new scheme for all-optical signal re-shaping based on wavelength conversion in optical fibers
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Method for optical signal transmission with chromatic dispersion compensation through chirped optical fiber gratings, and optical communication system using this method
No full textTheoretical Evidence of Dynamical Limitations in Practical Single-Stage PMD Compensators
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