扩展BANYAN网络的可重构 无阻塞8×8矩阵光开关

查 英; 孙德贵; 刘铁根; 张 鹰; 李小奇; 邓文渊; 江俊峰

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扩展BANYAN网络的可重构无阻塞8×8矩阵光开关

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- 扩展BANYAN网络的可重构无阻塞8×8矩阵光开关
- Rearrangeable nonblocking 8×8 optical matrix switch with extended BANYAN network
- 光学精密工程 2007年15卷第1期页码：50-56
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所应用光学国家重点实验室,吉林长春 130033
  2. 天津大学精密仪器与光电子工程学院光电信息技术科学教育部重点实验室天津,300072
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： TN929.1;TN256
- 收稿日期：2006-07-06，
  
  修回日期：2006-11-03，
  
  网络出版日期：2007-01-30，
  
  纸质出版日期：2007-01-30
- 稿件说明：
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查英, 孙德贵, 刘铁根, 等. 扩展BANYAN网络的可重构无阻塞8×8矩阵光开关[J]. 光学精密工程, 2007,15(1):50-56.

ZHA Ying, SUN De-gui, LIU Tie-gen, et al. Rearrangeable nonblocking 8×8 optical matrix switch with extended BANYAN network[J]. Optics and precision engineering, 2007, 15(1): 50-56.
查英, 孙德贵, 刘铁根, 等. 扩展BANYAN网络的可重构无阻塞8×8矩阵光开关[J]. 光学精密工程, 2007,15(1):50-56. DOI：

ZHA Ying, SUN De-gui, LIU Tie-gen, et al. Rearrangeable nonblocking 8×8 optical matrix switch with extended BANYAN network[J]. Optics and precision engineering, 2007, 15(1): 50-56. DOI：

摘要

在分析CROSSBAR网络(CN)和BANYAN网络(BN)结构的基础上

提出了一种新的扩展BANYAN网络(EBN)可重构无阻塞结构。以8×8矩阵光开关为例

分析了EBN结构的两种形式及其可重构无阻塞特性

给出了开关单元驱动逻辑。从理论上计算了SiO

波导EBN结构矩阵光开关的光学损耗和功耗。对于8×8开关

插入损耗为3.3 dB。按理论计算设计制作了8×8矩阵光开关

测得波导传输损耗为0.1 dB/cm

光纤-波导耦合损耗为0.5 dB/point。光开关插入损耗为4.6 dB

平均串扰为-38 dB

平均偏振相关损耗为0.4 dB

开关平均功率为1.6 W

响应时间约为1 ms。实验结果与理论计算基本符合。

Abstract

Based on the construction of the CROSSBAR network(CN) and the BANYAN network(BN)

a new rearrangeable nonblocking construction called extended BANYAN network (EBN) was proposed. Taking the 8×8 optical matrix switch for example

two types of EBN construction and their rearrangeable nonblocking characteristics were studied

and the drive logic of switching units was provided. A SiO

waveguide 8×8 optical matrix switch was designed and fabricated according to the calculated insertion loss of 3.3 dB for 8×8 optical matrix swith. The SiO

waveguide propagation loss of 0.1 dB/cm and fiber-waveguide coupling loss of 0.5 dB/point were measured out. With the fabricated 8×8 optical matrix switch

optical insertion loss of 4.6 dB

average cross-talk of -38 dB

average polarization dependent loss of 0.4 dB

averaged switching power of 1.6 W

and response time of 1 ms were achieved. The experiment results are concident with theoretical calculation well.

关键词

Keywords

references

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