All-Optical Phase Multiplexing from π/2-Shifted DPSK-WDM to DQPSK Using Four-Wave Mixing in Highly-Nonlinear Fiber
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概要
- 論文の詳細を見る
An all-optical phase multiplexing scheme for phase-modulated signals is proposed and experimentally demonstrated using fourwave mixing (FWM) in a highly-nonlinear fiber (HNLF). Two 10-Gb/s π/2-shifted differential phase-shift keying (DPSK) wavelength-division multiplexing (WDM) signals are experimentally demonstrated to be converted and phase-multiplexed into a 20-Gb/s differential quadrature phase-shift keying (DQPSK) signal with non-return-to-zero (NRZ) and return-to-zero (RZ) formats, respectively. Experimental results show that, due to phase-modulation-depth doubling effect and phase multiplexing effect in the FWM process, a DQPSK signal is successfully generated through the proposed all-optical phase multiplexing with improved receiver sensitivity and spectral efficiency.
- （社）電子情報通信学会の論文
- 2008-07-01
著者
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Lu Guo‐wei
National Inst. Information And Communications Technol. (nict) Tokyo Jpn
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Lu Guo-wei
National Institute Of Information And Communications Technology (nict)
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Lu Guo-wei
National Institute Of Information And Communications Technology
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ABEDIN Kazi
National Institute of Information and Communications Technology
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MIYAZAKI Tetsuya
National Institute of Information and Communications Technology
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Abedin Kazi
National Inst. Of Information And Communications Technol. Tokyo
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Miyazaki Tetsuya
National Inst. Information And Communications Technol. (nict) Tokyo Jpn
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