Fast-response, wide-dynamic-range optical equalisation based on silicon photonic platform

被引：3
|
作者：
Kou, R. [1 ]
Yamada, K. [1 ]
Tsuchizawa, T. [1 ]
Watanabe, T. [1 ]
Park, S. [1 ]
Nishi, H. [1 ]
Shinojima, H. [1 ]
Ishikawa, Y. [2 ]
Wada, K. [2 ]
Itabashi, S. [1 ]
机构：
[1] NTT Corp, Microsyst Integrat Labs, Kanagawa 2430198, Japan
[2] Univ Tokyo, Dept Mat Engn, Bunkyo Ku, Tokyo 1138656, Japan
来源：
ELECTRONICS LETTERS | 2010年 / 46卷 / 25期
关键词：
ATTENUATOR; FILTER;
D O I：
10.1049/el.2010.2759
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：
Fast optical power equalisation using a monolithic integrated germanium photodetector and a silicon variable optical attenuator on a compact silicon photonic platform is demonstrated. With an external electronic feedback circuit, the output power of the device is stabilised within a residual deviation of 2.7 dB for 22 dB input power variation. For a surge pulse, a sudden input power increase of over 16 dB can be suppressed within 50 ns for a 3 dB recovery.
引用
收藏
页码：1683 / 1684
页数：2
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