Suppression of sidelobes in the far-field patterns of electro-optical waveguide array

Jiali Li; Shunxiang Shi; Jifang Liu

doi:10.1117/12.521813

30 April 2004 Suppression of sidelobes in the far-field patterns of electro-optical waveguide array

Jiali Li, Shunxiang Shi, Jifang Liu

Proceedings Volume 5279, Optical Fibers and Passive Components; (2004) https://doi.org/10.1117/12.521813
Event: Asia-Pacific Optical and Wireless Communications, 2003, Wuhan, China

Abstract

Optical waveguide array are attractive for high-speed, wide-angle optical beam steering or deflection, but optical waveguide arrays radiate undesirable sidelobes. It is shown that suppression of sidelobes can be accomplished by configuring array elements in nonuniform pattern. Tow kinds of arrangement of linear changed spaced optical waveguide array are discussed. Sidelobes can be suppressed deeply. Especially, the light path area ratio can be improved to 71.9% by using symmetrical structure array. Steering characteristic shown that the maximum steering degree of 24⁰(-3dB) can be obtained by nonuniform spaced optical waveguide array.

Citation Download Citation

Jiali Li, Shunxiang Shi, and Jifang Liu "Suppression of sidelobes in the far-field patterns of electro-optical waveguide array", Proc. SPIE 5279, Optical Fibers and Passive Components, (30 April 2004); https://doi.org/10.1117/12.521813

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