A COHERENT PHOTONIC WAVELENGTH-DIVISION SWITCHING-SYSTEM FOR BROAD-BAND NETWORKS

被引：5

作者：

FUJIWARA, M ^{[1
]}

SHIMOSAKA, N ^{[1
]}

NISHIO, M ^{[1
]}

SUZUKI, S ^{[1
]}

YAMAZAKI, S ^{[1
]}

MURATA, S ^{[1
]}

KAEDE, K ^{[1
]}

机构：

[1] NEC CORP LTD,C & C SYST RES LABS,KAWASAKI,KANAGAWA 213,JAPAN

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 1990年 / 8卷 / 03期

关键词：

D O I：

10.1109/50.50738

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：

A coherent photonic wavelength-division (WD) switching system, utilizing a coherent wavelength switch (λ switch), is proposed. In the proposed coherent λ switch, the tunable wavelength filter function is accomplished using coherent optical detection with a wavelength tunable local oscillator. The coherent photonic WD switching system has the following features; 1) low crosstalk switching for dense WDM signal, and 2) large line capacity capability. Design considerations show that 32 wavelength division channels can be available with a coherent λ switch. It is also shown that a broad-band metropolitan-area-net-work with over 1000 line capacity is possible, using a multistage connection in the coherent λ switches. The switching function of the coherent λ switch is demonstrated in a two-channel wavelength-synchronized switching experiment, using 8-GHz-spaced, 280-Mbit/s optical FSK signals. © 1990 IEEE

引用

页码：416 / 422

页数：7

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