CHARACTERIZATION OF A 16-CHANNEL OPTICAL ELECTRONIC SELECTOR FOR FAST PACKET-SWITCHED WDMA NETWORKS

被引：12

作者：

TONG, F ^{[1
]}

LI, CS ^{[1
]}

STEVENS, AE ^{[1
]}

KWARK, YH ^{[1
]}

机构：

[1] COLUMBIA UNIV,DEPT ELECT ENGN,NEW YORK,NY 10598

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1994年 / 6卷 / 08期

关键词：

D O I：

10.1109/68.313067

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We report the demonstration of a 16-channel optical/electronic selector for applications in fast packet-switched wavelength division multi-access networks. The selector chip has four differential transimpedance amplifiers with each amplifier shared by four photodetectors, giving a total of 16 channels selected by two stages of MESFET switches. The channel switching time is approximately 10 ns. No appreciable crosstalk is observed from neighboring channels in the first-stage switches, and a 0.35 dB crosstalk penalty is measured through the second-stage switches at a BER of 10(-9) with -20 dBm average optical power in the interference channel. The selector can also be reconfigured as an unswitched four-channel array receiver.

引用

页码：971 / 974

页数：4

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