Chinese Optics Letters, 2004, 2 (12): 12691, Published Online: Jun. 6, 2006
A novel 40-Gb/s all-optical inverted wavelength converter based on a modified terahertz optical asymmetric demultiplexer 
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250.5980 semiconductor optical amplifiers 060.2330 fiber optics communications 060.0060 fiber optics and optical communications
Abstract
A novel scheme for all-optical inverted wavelength conversion with 40-Gb/s pseudorandom bit sequences (PRBSs) based on a modified terahertz optical asymmetric demultiplexer (TOAD) is proposed. The performance of the proposed wavelength converter is analyzed in term of extinction ratio (ER) through numerical simulations. For a typical ER of 10 dB, some key characteristic parameters of the semiconductor optical amplifier (SOA) are designed. With the properly designed parameters, a high quality eye diagram is achievable, indicating that the amplitude fluctuation of the output signal is effectively reduced.
Xuetian Huang, Peida Ye, Min Zhang, Ling Wang. A novel 40-Gb/s all-optical inverted wavelength converter based on a modified terahertz optical asymmetric demultiplexer[J]. Chinese Optics Letters, 2004, 2(12): 12691.
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