Increasing repeater span in high-speed bidirectional WDM transmission systems using a new bidirectional EDFA configuration

被引：21

作者：

Khaleghi, F ^{[1
]}

Li, J ^{[1
]}

Kavehrad, M ^{[1
]}

Kim, H ^{[1
]}

机构：

[1] BELL NO RES LTD,OTTAWA,ON K1Y 4H7,CANADA

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1996年 / 8卷 / 09期

关键词：

D O I：

10.1109/68.531853

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：

When fiber-optic systems contain erbium-doped fiber amplifiers (EDFA), reflections are enhanced by the gain of the amplifiers and severe system performance degradations and bit-error-rate (BER) doors can be observed, This provides a very restrictive limit on the usable amplifier gain, We present a new configuration for a bidirectional EDFA that allows for a significantly higher maximum allowable gain while introducing a very small BER penalty, A 2.5 Gb/s, 300 Km bidirectional wavelength-division multiplexing (WDM) transmission experiment using the new bidirectional EDFA is reported, Experimental results show that allowable gain of the new EDFA is significantly increased while the associated EER penalty remains negligible.

引用

页码：1252 / 1254

页数：3

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