增益对耦合窃窃廊模式光子分子奇偶-时间对称性质影响的观察

2015 National Aerospace and Electronics Conference (NAECON) Pub Date : 2015-06-15 DOI:10.1109/NAECON.2015.7443047

Farzaneh Abolmaali, N. Limberopoulos, A. Urbas, V. Astratov

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引用次数: 4

摘要

利用时域有限差分模型研究了耦合低语通道型谐振器的奇偶时间对称性破缺。研究了正交模分裂作为耦合强度的函数。结果表明，在具有分布增益和损耗的双原子分子中，耦合降低超过一定值会导致PT对称性破缺。

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Observation of the influence of the gain on parity-time-symmetric properties of photonic molecules with coupled whispering gallery modes

Parity-time (PT) symmetry breaking in coupled whispering gallery mode type resonators is studied by finite-difference time-domain modeling. Normal mode splitting is studied as a function of the coupling strength. It is demonstrated that in bi-atomic molecules with distributed gain and loss, reduction of the coupling beyond a certain value leads to PT symmetry breaking.

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2015 National Aerospace and Electronics Conference (NAECON)

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