An optimized scheme for optical phased array beam steering controlled by wavelength

被引：0
|
作者：
Zhao, Ying [1 ]
Yang, Xiaozhou [1 ]
Cai, Qin [1 ]
Hu, Weiwei [1 ]
机构：
[1] Peking Univ, Natl Lab Local Fiber Opt Comm Networks & Adv OCS, Beijing 100871, Peoples R China
来源：
PIERS 2007 BEIJING: PROGRESS IN ELECTROMAGNETICS RESEARCH SYMPOSIUM, PTS I AND II, PROCEEDINGS | 2007年
基金：
中国国家自然科学基金;
关键词：
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：
An efficiency-optimized scheme for Optical phased array (OPA) beam steering controlled by wavelength is proposed. In this scheme, an OPA is designed based on optical waveguides with specific interelement center-to-center spacing and length difference, by which the number of elements (phase shifters) that result in high Signal-to-Noise ratio (SNR) can be dramatically decreased. To suppress the sidelobes, we worked out a method based on gradient techniques to optimize the interelement spacing and length difference. And we mathematically prove the SNR in the case of optimized scheme is unchanged when beam steering controlled by wavelength.
引用
收藏
页码：277 / +
页数：2
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