Unidirectional Lasing Emerging from Frozen Light in Nonreciprocal Cavities

被引：43
|
作者：
Ramezani, H. [1 ]
Kalish, S. [1 ]
Vitebskiy, I. [2 ]
Kottos, T. [1 ]
机构：
[1] Wesleyan Univ, Dept Phys, Middletown, CT 06459 USA
[2] Air Force Res Lab, Sensors Directorate, Wright Patterson AFB, OH 45433 USA
来源：
PHYSICAL REVIEW LETTERS | 2014年 / 112卷 / 04期
关键词：
WAVE-GUIDES;
D O I：
10.1103/PhysRevLett.112.043904
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We introduce a class of unidirectional lasing modes associated with the frozen mode regime of nonreciprocal slow-wave structures. Such asymmetric modes can only exist in cavities with broken time-reversal and space inversion symmetries. Their lasing frequency coincides with a spectral stationary inflection point of the underlying passive structure and is virtually independent of its size. These unidirectional lasers can be indispensable components of photonic integrated circuitry.
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页数：5
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