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arXiv 2008.02813quant-phcond-mat.mes-hallphysics.atom-phphysics.optics
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压缩激光

Squeezed lasing

Carlos Sánchez Muñoz, Dieter Jaksch

摘要:

我们引入了压缩激光器的概念,其中压缩腔模由于受激发射而产生宏观光子占据。在激光阈值以上,发射的光保持激光器固有的光谱纯度和具有压缩正交的光子模式的光子相关特性。我们的建议,这可以实现在光学设置,依赖于腔的参数驱动和耗散稳定的宽带压缩真空。由于压缩激光的压缩特性,它可以在许多方面得到超越标准激光的应用,如直接应用于超越标准量子极限的迈克尔逊干涉测量,或应用于原子计量学。

英文摘要:

We introduce the concept of a squeezed laser, in which a squeezed cavity mode develops a macroscopic photonic occupation due to stimulated emission. Above the lasing threshold, the emitted light retains both the spectral purity inherent of a laser and the photon correlations characteristic of a photonic mode with squeezed quadratures. Our proposal, which can be implemented in optical setups, relies on the parametric driving of the cavity and dissipative stabilization by a broadband squeezed vacuum. The squeezed laser can find applications that go beyond those of standard lasers thanks to the squeezed character, such as the direct application in Michelson interferometry beyond the standard quantum limit, or its use in atomic metrology.

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