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arXiv 1403.0657quant-phphysics.optics
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PT对称声子Laser

PT-Symmetric Phonon Laser

H. Jing, Sahin K. Ozdemir, Xin-You Lv, Jing Zhang, Lan Yang, Franco Nori

摘要:

利用耦合微腔的最新发展,我们引入了具有平衡增益和损耗的PT对称声子激光器的概念。这是通过将增益引入到微腔中的一个来实现的,使得它平衡另一个的无源损耗。在增益-损耗平衡附近,腔内光子强度与输入功率之间呈现出很强的非线性关系。然后,这导致光学压力和机械增益的巨大增强,从而导致高效的声子激光作用。这些结果为通过PT对称概念操纵光机系统提供了一种有前途的方法。潜在的应用范围从增强机械冷却到设计声子-激光放大器。

英文摘要:

By exploiting recent developments associated with coupled microcavities, we introduce the concept of PT-symmetric phonon laser with balanced gain and loss. This is accomplished by introducing gain to one of the microcavities such that it balances the passive loss of the other. In the vicinity of the gain-loss balance, a strong nonlinear relation emerges between the intracavity photon intensity and the input power. This then leads to a giant enhancement of both optical pressure and mechanical gain, resulting in a highly efficient phonon-lasing action. These results provide a promising approach for manipulating optomechanical systems through PT-symmetric concepts. Potential applications range from enhancing mechanical cooling to designing phonon-laser amplifiers.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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