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Polarization-Insensitive Wavelength Conversion by FWM in a Highly Nonlinear PCF of Polarization-Scrambled 10-Gb/s RZ-OOK and RZ-DPSK Signals

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3 Author(s)
Astar, W. ; Lab. for Phys. Sci. (LPS), College Park ; Lenihan, A.S. ; Carter, G.M.

Wavelength conversion of polarization-scrambled 10-Gb/s on-off keyed and differential phase-shift-keyed signals for which the pulse format was 33% return-to-zero, has been achieved by partially degenerate four-wave mixing in a record 20-m-short highly nonlinear photonic crystal fiber. It was found that a minimum pump-probe detuning of ~9 nm was required to achieve polarization-insensitive wavelength conversion of <1 dB, resulting in a 10-9-receiver sensitivity penalty of <1 dB, for both modulation formats.

Published in:

Photonics Technology Letters, IEEE  (Volume:19 ,  Issue: 20 )