Polarization-Independent Wavelength Conversion Using Four-Wave Mixing in Single-Mode Fibers Pumped with Cross-Polarized High Frequency Pulses (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
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概要
- 論文の詳細を見る
This paper describes a simple polarization-independent wavelength conversion method using degenerated four-wave mixing (FWM) in single-mode fibers pumped with cross-polarized high frequency, saw-tooth pulses from a single pump source. Successful polarization-independent wavelength conversion is experimentally confirmed with less than ±12% and ±5.6% variation using a gain-switched LD pumping and a mode-locked fiber laser pumping, respectively. We clarify that the interference effect between two orthogonal pump pulses must be taken into account to achieve a good polarization-insensitive operation, since even the small pulse edges bring about the large polarization fluctuations when they are interfered. Furthermore, it is reveal that the shorter pump pulse broadens its own spectrum due to the self-phase modulation in fibers, resulting in poor FWM efficiency. Finally, possibility of high-speed operation is discussed taking into account the pump pulse conditions.
- 社団法人電子情報通信学会の論文
- 2001-05-01
著者
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Tsuji K
Department Of Communications Engineering National Defense Academy
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Yokota H
Department Of Communications Engineering National Defense Academy
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Tsuji Kiyotaka
Department Of Electrical And Electronic Engineering Toyohashi University Of Technology
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TSUJI Kenichiro
Department of Communications Engineering, National Defense Academy
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SARUWATARI Masatoshi
Department of Communications Engineering, National Defense Academy
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Saruwatari M
Department Of Communications Engineering National Defense Academy
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Tsuji K
Osaka Univ. Osaka Jpn
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YOKOTA Hideaki
Department of Communications Engineering, National Defense Academy
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