Tutorial: Cavity Quantum Optomechanics

A. Sarma, S. Kalita
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Abstract

Exploring quantum physics in macroscopic systems and manipulating these systems for various technological applications has been a topic of intense research in the last one decade or so. In this regard, the field of cavity quantum optomechanics turns out to be one of the most rapidly emerging area of research. It has opened many doors to study various open ended fundamental questions in quantum physics, apart from numerous possible applications. A typical cavity optomechanical system consists of two mirrors, one fixed while the other one is movable. These systems may be of micrometer or nano-meter in dimensions. The electromagnetic radiation incident on the system may get coupled to the mechanical motion of the movable mirror. This opto-mechanical coupling is the root of all phenomena such as quantum entanglement, state-transfer, squeezing and so on. In this short tutorial, basic concepts of cavity quantum optomechanics are discussed. We hope that this tutorial would motivate readers, both theorists and experimentalists, to take up advanced studies in this immensely fruitful area of research.
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教程:腔量子光力学
在过去十年左右的时间里,在宏观系统中探索量子物理并将这些系统用于各种技术应用一直是一个激烈研究的主题。在这方面,空腔量子光力学是发展最为迅速的研究领域之一。除了许多可能的应用之外,它还为研究量子物理学中各种开放式基本问题打开了许多大门。典型的腔式光机械系统由两个镜子组成,一个是固定的,另一个是可移动的。这些系统的尺寸可以是微米级或纳米级。入射到系统上的电磁辐射可能与活动镜的机械运动耦合。这种光-机械耦合是量子纠缠、状态转移、压缩等现象的根源。在这个简短的教程中,讨论了空腔量子光力学的基本概念。我们希望本教程能激励理论家和实验家的读者,在这个硕果累累的研究领域进行更深入的研究。
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