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Chin. Opt. Lett.
 Home  List of Issues    Issue 10 , Vol. 11 , 2013    10.3788/COL201311.100606


Optical true time-delay for two-dimensional phased array antennas using compact fiber grating prism
Yongfeng Wei1;4, Chaowei Yuan1, Shanguo Huang2, Xinlu Gao3, Jing Zhou3, Xi Han1, Wanyi Gu2
1 School of Information and Communication Engineering, [Beijing University of Posts and Telecommunications], Beijing 100876, China
2 State Key Laboratory of Information Photonics and Optical Communications, [Beijing University of Posts and Telecommunications], Beijing 100876, China
3 Department of Physics, [Beijing Normal University], Beijing 100875, China
4 Department of Electronic Information Engineering, [Inner Mongolia University], Hohhot 010021, China,

Chin. Opt. Lett., 2013, 11(10): pp.100606

DOI:10.3788/COL201311.100606
Topic:Fiber optics and optical communications
Keywords(OCIS Code): 060.3735  060.4510  

Abstract
A two-dimensional (2D) optical true-time delay (TTD) beam-forming system using a compact fiber grating prism (FGP) for a planar phased array antenna (PAA) is proposed. The optical beam-forming system mainly consists of a TTD unit based on the same compact FGP, one tunable laser for elevation beam steering, and a controlled wavelength converter for azimuth beam steering. A planar PAA using such 2D optical TTD unit has advantages such as compactness, low bandwidth requirement for tunable laser sources, and potential for large-scale system implementations. The proof-of-concept experiment results demonstrate the feasibility of the proposed scheme.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Received:2013/5/27
Accepted:2013/9/4
Posted online:2013/9/29

Get Citation: Yongfeng Wei, Chaowei Yuan, Shanguo Huang, Xinlu Gao, Jing Zhou, Xi Han, Wanyi Gu, "Optical true time-delay for two-dimensional phased array antennas using compact fiber grating prism," Chin. Opt. Lett. 11(10), 100606(2013)

Note: This work was supported by the National "973" Project of China (Nos. 2010CB328202, 2010CB328204, and 2012 CB315604), the National Natural Science Foundation of China (Nos. 61271191 and 61001124), the National "863" Project of China (No. 2012AA011302), the Program for New Century Excellent Talents in University (No. NCET-12-0793), the Beijing Nova Program (No. 2011065), and the Fundamental Research Funds for the Central Universities.



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