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arXiv 1703.04846physics.optics
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形变微盘laser中长路径的形成

Long-path formation in a deformed microdisk laser

Susumu Shinohara, Takehiro Fukushima, Satoshi Sunada, Takahisa Harayama, Kenichi Arai

摘要:

非对称谐振腔可用于形成比腔尺寸长得多的路径。我们证明了这种能力的变形微盘配备了两个线性波导,通过构建一个多反射周期轨道,该轨道是由变形微盘内的全内反射和耦合输出的两个线性波导。谐振模式分析表明,对应于周期轨道的模式具有高的品质因数。从测量的光谱和远场数据,我们证实,制造的设备可以形成一个路径约9.3倍的变形微盘的平均直径长。

英文摘要:

An asymmetric resonant cavity can be used to form a path that is much longer than the cavity size. We demonstrate this capability for a deformed microdisk equipped with two linear waveguides, by constructing a multiply reflected periodic orbit that is confined by total internal reflection within the deformed microdisk and outcoupled by the two linear waveguides. Resonant mode analysis reveals that the modes corresponding to the periodic orbit are characterized by high quality factors. From measured spectral and far-field data, we confirm that the fabricated devices can form a path about 9.3 times longer than the average diameter of the deformed microdisk.

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