All-Optical Inverter Operating with a 1.5 µm Laser in Erbium-Doped Phosphate Glass
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概要
- 論文の詳細を見る
The dependence of an all-optical inverter derived from the negativenonlinear absorption effect onboth the modulation degree and frequency was investigated in erbium-dopedphosphate glass usinga 1.5 µm laser diode. With a decreasing degree of incident modulation, a reversed-phasewaveform was obtained in the transmitted laser at modulation degrees lessthan 86%. Thereversed-phase transmitted waveforms were observed at modulationfrequencies from 10 Hz to 250 MHz and at wavelengths from 1530.0 to 1545.0 nm. The wavelength dependenceof the negativenonlinear absorption effect agreed with the transmitted spectra for theerbium-doped phosphateglass. The negative nonlinear absorption effect for 1.5 µm can be explainedby considering anenhanced absorption model for a four-level system of the Er3+ ion.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 1999-06-15
著者
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KONISHI Akio
New Glass Research Center, Nihon Yamamura Glass Co., Ltd.
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WAKABAYASHI Hajimu
New Glass Research Center, Nihon Yamamura Glass Co., Ltd.
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Akidzuki Yoshiki
Department Of Information And Control Engineering Toyota Technological Institute
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Hashima Hidekazu
New Glass Research Center Nihon Yamamura Glass Co. Ltd.
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Maeda Yoshinobu
Department Of Electrical Engineering University Of Pittsburgh
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Wakabayashi Hajimu
New Glass Research Center, Nihon Yamamura Glass Co., Ltd.,
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Konishi Akio
New Glass Research Center, Nihon Yamamura Glass Co., Ltd.,
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