Long-period grating filter with tunable attenuation for spectral equalization of erbium-doped fiber broadband light sources

Pieter L. Swart; Thabiso J. Nhlapo; Anatoll A. Chtcherbakov

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Long-period grating filter with tunable attenuation for spectral equalization of erbium-doped fiber broadband light sources

机译：Long-period grating filter with tunable attenuation for spectral equalization of erbium-doped fiber broadband light sources

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摘要

This work describes a long-period grating filter with tunable attenuation. The device is ideally suitable for equalization of the output power spectrum of erbium-doped fiber amplified spontaneous emission sources. The tunability arises from incorporating the grating in a Mach-Zehnder configuration that includes a tunable coupler. Experimentally, we achieved a change in attenuation of approximately 14 dB in a wavelength band centered at 1531 nm. The peak-to-peak ripple in the power spectrum of the source improved from 12.2 to 3.8 dB in the wavelength range from 1524 to 1563 nm. Tunability assures that the spectral ripple can be controlled over a wide range of pump power.

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来源
《Optical Engineering》 |2004年第2期|280-281|共2页
作者
Pieter L. Swart; Thabiso J. Nhlapo; Anatoll A. Chtcherbakov;
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作者单位

Rand Afrikaans University Center for Optical Communications and Sensors Faculty of Engineering PO Box 524 Auckland Park 2006, South Africa;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学仪器;
关键词
long-period grating; attenuator; broadband source; erbium-doped fiber; integrated optics; tunable filter;

Long-period grating filter with tunable attenuation for spectral equalization of erbium-doped fiber broadband light sources

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