Slow-light dispersion in periodically patterned silicon microring resonators

Jonathan Y. Lee; Philippe M. Fauchet

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Slow-light dispersion in periodically patterned silicon microring resonators

机译：周期性图案化硅微环谐振器中的慢光色散

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We demonstrate a novel periodically patterned ring resonator evanescently coupled with a coupler waveguide (CWG) on a silicon-on-insulator platform. In order to optimize the coupling, we phase match the ring resonator and the CWG by tuning the width of the CWG. In the transmission spectra, we measure a high extinction ratio of more than 20 dB and achieve a group index of approx20 in the slow-light regime. Beating patterns in the calculated mode profiles suggest strong interference between degenerate modes. This device opens up the possibility of new applications in compact device integration in wavelength-division multiplexing system while reducing the in-band four-wave mixing cross talk.

机译：我们展示了一种新型周期性图案环形谐振器，该谐振器在绝缘体上硅平台上与耦合器波导（CWG）倁逝耦合。为了优化耦合，我们通过调整CWG的宽度来对环形谐振器和CWG进行相位匹配。在透射光谱中，我们测量了超过20 dB的高消光比，并在慢光状态下实现了约20的群指数。计算模式曲线中的跳动模式表明简并模式之间存在强烈的干扰。该器件开辟了波分复用系统中紧凑型器件集成的新应用的可能性，同时减少了带内四波混频串扰。

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《Optics Letters》 |2012年第1期|58-60|共3页
作者
Jonathan Y. Lee; Philippe M. Fauchet;
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Department of Electrical and Computer Engineering, University of Rochester, Rochester, New York, 14627, USA;

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正文语种英语
中图分类计量学;
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Slow-light dispersion in periodically patterned silicon microring resonators

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