Spot-size-converter integrated semiconductor optical amplifiers for optical switching systems

被引：0

作者：

Tamanuki, T ^{[1
]}

Kitamura, S ^{[1
]}

Hatakeyama, H ^{[1
]}

Sasaki, T ^{[1
]}

Yamaguchi, M ^{[1
]}

机构：

[1] NEC Corp Ltd, Optoelect & High Frequency Device Res Labs, Tsukuba, Ibaraki 3058501, Japan

来源：

IEICE TRANSACTIONS ON COMMUNICATIONS | 1999年 / E82B卷 / 02期

关键词：

semiconductor optical amplifier; spot-size-converter; angled facet; selective MOVPE; optical switch; optical gate; planar lightwave circuits;

D O I：

暂无

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：

Spot-size-converter integrated semiconductor optical amplifiers have been developed as gate elements for optical switch matrices. An S-shape waveguide has been introduced to prevent re-coupling of unguided light to the output fiber. An angled-facet structure effectively suppressed light reflection at the end facets. Consequently, a high extinction ratio of 70 dB and a high fiber-to-fiber gain of 20 dB were achieved. Sufficient optical coupling characteristics to a flat-ended single-mode fiber with a coupling loss of 3.5 dB were also demonstrated.

引用

页码：431 / 438

页数：8

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