A tandem configuration for wavelength conversion using four-wave mixing in a semiconductor optical amplifier is suggested as a method to obtain enhanced signal-noise ratios due to longer interaction length. Experimental results show a decrease in the overall penalty for wavelength conversion at 10 Gbit/s. Furthermore, good system performance can be obtained at much lower input signal powers than for a single device.
Inspec keywords: optical fibre communication; multiwave mixing; laser beam applications; optical frequency conversion; semiconductor lasers; optical phase conjugation
Other keywords:
Subjects: Semiconductor lasers; Multiwave mixing; Nonlinear optics and devices; Optical harmonic generation, frequency conversion, parametric oscillation and amplification; Optical phase conjugation; Optical communication; Laser beam applications; Laser applications; Lasing action in semiconductors
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