Tunable Wavelength Selective Optical Switch Based on Fabry-Perot Cavity Structure

LI Xin-wan; CHEN Jian-ping; YE Ai-lun; WU Gui-ling; LU Jia-lin

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Tunable Wavelength Selective Optical Switch Based on Fabry-Perot Cavity Structure

更新时间：2025-07-16

- Tunable Wavelength Selective Optical Switch Based on Fabry-Perot Cavity Structure
- Acta Electronica Sinica Vol. 32, Issue S1, Pages: 57-60(2004)
- 作者机构：
  
  1. 上海交通大学电子工程系&quot
  2. 区域光纤通信网与新型光通信系统&quot
  3. 国家重点实验室,上海,200030
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN91
- Published：2004
- 稿件说明：
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LI Xin-wan, CHEN Jian-ping, YE Ai-lun, et al. Tunable Wavelength Selective Optical Switch Based on Fabry-Perot Cavity Structure[J]. Acta Electronica Sinica, 2004, 32(S1): 57-60.
DOI：

LI Xin-wan, CHEN Jian-ping, YE Ai-lun, et al. Tunable Wavelength Selective Optical Switch Based on Fabry-Perot Cavity Structure[J]. Acta Electronica Sinica, 2004, 32(S1): 57-60. DOI：

摘要

本文提出波长选择光开关的概念

首次研制出一个基于Fabry-Perot结构的可调波长选择光开关

该开关为22光纤端口

每个端口携带N个波长

工作时可以选1个或多个波长

插入损耗小于3dB

波长调谐范围10nm

调谐机构为一对多层三明治结构的压电陶瓷

具有驱动电压低

小于5V的驱动电压可以达到3.3nm的调谐

最大开关时间为1毫秒

开关比优于30dB.最后还分析了其基本透射与反射光谱性能

并讨论其对光通信、光交换网络产生的重要应用价值.

Abstract

A kind of tunable wavelength selective optical switch was proposed for the first time.It is based on Fabry-Perot cavity.The optical switch has two-input and two-output fiber ports.Each fiber carries

wavelengths

one or more of which can be selected.The maximum insertion loss is 3 dB and the tunable wavelength range is over 10 nanometers.The tuning mechanism is a sand-wiched multi-layered piezoelectric ceramic.The tunable span can reach 3.3 nm under 5 VDC voltages.The switching time is about 1 ms and the on/off ratio is over 30dB.The optical spectrum of the switch is also studied.At last

some applications of such optical switch are discussed.

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