Published/Posted: May 14, 2010
Authors: Apiratikul, P.; Astar, W.; Carter, G. M.; Murphy, T. E.
We demonstrate the simultaneous conversion of wavelength and nonreturn-to-zero to return-to-zero (RZ) format at 10 Gb/s, using four-wave mixing in a passive GaAs bulk-waveguide. A conversion efficiency of -28 dB (idler output relative to signal output) and a conversion bandwidth of 48 nm could be achieved in this waveguide, which was fabricated in a single photolithographic step. The conversion efficiency is also characterized and compared with simulated results. The converted RZ on-off keying (RZ-OOK) signal demonstrated a 1e-9 bit-error-rate receiver sensitivity penalty of 1 dB relative to baseline RZ-OOK.
P. Apiratikul, W. Astar, G. M. Carter and T. E. Murphy, "10-Gb/s Wavelength and Pulse Format Conversion Using Four-Wave Mixing in a GaAs Waveguide", IEEE Photon. Technol. Lett. 22(12) 872-874 (2010)
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