热热光对机械谐振器基态冷却的影响

M. T. Naseem, Ozgur Esat Mustecapliouglu
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引用次数: 0

摘要

我们提出了一种将机械谐振器冷却到量子基态的方案,该方案通过光-力耦合与腔模式相互作用。与标准激光冷却方案相反,相干使谐振器的状态变为基态,这里我们使用非相干热光来达到相同的目的。我们表明,在我们的方案中,两个简并或近简并机械谐振器的同时冷却是可能的,这在光力学中是一个具有挑战性的目标。将这种方法推广到多个谐振器的同时冷却是直截了当的。通过揭示激光边带冷却与标准光机械设置中的“加热冷却”之间的直接联系,解释了冷却的潜在物理机制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ground-state cooling of mechanical resonators by hot thermal light
We propose a scheme to cool down a mechanical resonator to its quantum ground-state, which is interacting with a cavity mode via the optomechanical coupling. As opposed to standard laser cooling schemes where coherence renders the state of the resonator to its ground-state, here we use incoherent thermal light to achieve the same aim. We show that simultaneous cooling of two degenerate or near-degenerate mechanical resonators is possible in our scheme, which is otherwise a challenging goal to achieve in optomechanics. The generalization of this method to the simultaneous cooling of multiple resonators is straightforward. The underlying physical mechanism of cooling is explained by revealing a direct connection between the laser sideband cooling and “cooling by heating” in a standard optomechanical setting.
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