期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 19, 期 5-8, 页码 357-359出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2007.891643
关键词
format conversion; gain-clamped semiconductor optical amplifier (GC-SOA); reshaping; wavelength conversion (WC)
An all-optical converter from return-to-zero (RZ) pulses to the nonreturn-to-zero (NRZ) format is presented. The converter operates in two stages: the laser generated in a gain-clamped semiconductor optical amplifier (SOA) is modulated with the data signal; afterwards this signal is wavelength-converted by cross-gain modulation in a common SOA. The setup is non-inverting and can feature wavelength conversion. Experimental error-free conversion from 5- and 40-ps RZ pulses to NRZ format is presented at 10 Gb/s using a 2(11) - 1 bit sequence.
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