A 7-bit photonic true-time-delay system based on an 8 × 8 MOEMS optical switch

Ying Yang; Yi Dong; Dawei Liu; Hao He; Yaohui Jin; Weisheng Hu

doi:10.3788/COL20090702.0118

A 7-bit photonic true-time-delay system based on an 8 × 8 MOEMS optical switch

Ying Yang, Yi Dong^*, Dawei Liu, Hao He, Yaohui Jin, Weisheng Hu

^*此作品的通讯作者

Shanghai Jiao Tong University

科研成果: 期刊稿件 › 文章 › 同行评审

10 引用（Scopus）

摘要

We demonstrate a 7-bit photonic true-time-delay (TTD) system which uses an 8 × 8 micro-optical-electromechanical system (MOEMS) optical switch for phased array antennas (PAAs) beamforming applications. The switch controls the optical signal to pass by the fiber delay lines (FDLs) of different lengths. Different time delays between adjacent channels are obtained due to the chromatic dispersion of FDLs. Therefore, the system cannot be disturbed by the environment. The measured time delay responses are nearly linear with the wavelength spacing between optical carriers as well as the lengths of FDLs, which agrees well with the theoretical analysis.

源语言	英语
页（从-至）	118-120
页数	3
期刊	Chinese Optics Letters
卷	7
期	2
DOI	https://doi.org/10.3788/COL20090702.0118
出版状态	已出版 - 2月 2009
已对外发布	是

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Yang, Y., Dong, Y., Liu, D., He, H., Jin, Y., & Hu, W. (2009). A 7-bit photonic true-time-delay system based on an 8 × 8 MOEMS optical switch. Chinese Optics Letters, 7(2), 118-120. https://doi.org/10.3788/COL20090702.0118

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AU - Jin, Yaohui

AU - Hu, Weisheng

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AB - We demonstrate a 7-bit photonic true-time-delay (TTD) system which uses an 8 × 8 micro-optical-electromechanical system (MOEMS) optical switch for phased array antennas (PAAs) beamforming applications. The switch controls the optical signal to pass by the fiber delay lines (FDLs) of different lengths. Different time delays between adjacent channels are obtained due to the chromatic dispersion of FDLs. Therefore, the system cannot be disturbed by the environment. The measured time delay responses are nearly linear with the wavelength spacing between optical carriers as well as the lengths of FDLs, which agrees well with the theoretical analysis.

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A 7-bit photonic true-time-delay system based on an 8 × 8 MOEMS optical switch

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