Penalties of only 1.5 dB are measured for 40 Gbit/s polarisation independent wavelength conversion by cross-gain modulation in new, speed-optimised semiconductor optical amplifiers. The excellent performance is achieved using moderate optical input power levels of 5 dBm.
Inspec keywords: optical frequency conversion; digital communication; wavelength division multiplexing; optical modulation; semiconductor lasers; optical fibre networks
Other keywords:
Subjects: Optical communication; Nonlinear optics and devices; Semiconductor lasers; Fibre optics
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