Acta Optica Sinica, Volume. 30, Issue 3, 782(2010)

Study on the Integrated Waveguide Optical Delay Line Based on Microring Resonators

Han Xiuyou*, Song Hongyan, Zhang Jianing, Wu Pengsheng, Teng Jie, Wang Linghua, and Zhao Mingshan
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    The delay time response function of the waveguide microring resonator is deduced from its optical-field transmission function. The influence of microring waveguide loss on the delay time characteristics is analyzed and the result shows that the microring resonator-based optical delay line applied in the optically controlled phased array antenna system should be at over-coupled condition,which means that the coupling coefficient κ and the microring waveguide loss factor γshould satisfy the relation of κ>(1-γ). According to the criterion of delay time ripple guality factor ε,the method of optimized design of the microring resonator-based optical delay line is established,and the optimized structural parameters of cascaded four microring resonators for target delay time of 0.6 ns,bandwith of 2 GHz,and delay time ripple guality factor less than 1×10-3 ns2 are obtained.

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    Han Xiuyou, Song Hongyan, Zhang Jianing, Wu Pengsheng, Teng Jie, Wang Linghua, Zhao Mingshan. Study on the Integrated Waveguide Optical Delay Line Based on Microring Resonators[J]. Acta Optica Sinica, 2010, 30(3): 782

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    Paper Information

    Category: Integrated Optics

    Received: Apr. 13, 2009

    Accepted: --

    Published Online: Mar. 11, 2010

    The Author Email: Xiuyou Han (xiuyouhan@gmail.com)

    DOI:10.3788/aos20103003.0782

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