Cavity Optomechanics: Nano- and Micromechanical Resonators by Markus Aspelmeyer, Tobias J. Kippenberg, Florian Marquardt

By Markus Aspelmeyer, Tobias J. Kippenberg, Florian Marquardt

During the previous few years cavity-optomechanics has emerged as a brand new box of analysis. This hugely interdisciplinary box experiences the interplay among micro and nano mechanical structures and lightweight. attainable functions variety from novel high-bandwidth mechanical sensing units in the course of the new release of squeezed optical or mechanical states to even exams of quantum thought itself. this is often one of many first books during this quite younger box. it truly is geared toward scientists, engineers and scholars who are looking to receive a concise creation to the cutting-edge within the box of hollow space optomechanics. it's precious to researchers in nano technological know-how, quantum optics, quantum info, gravitational wave detection and different leading edge fields. attainable purposes comprise organic sensing, frequency comb functions, silicon photonics and so on. The technical content material should be available to people who have familiarity with uncomplicated undergraduate physics.

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The interferometer, based on the 50 %/50 % beamsplitter (BS), leads to the entanglement between the photon being in arm A or in arm B and the state of the mirror Consider the setup shown in Fig. 5, consisting of a Michelson interferometer that has a cavity in each arm. In the cavity in arm A one of the mirrors is very small and attached to a micromechanical oscillator. While the photon is inside the cavity, it exerts a radiation pressure force on the small mirror. We will be interested in the regime where the period of the mirror’s motion is much longer than the roundtrip time of the photon inside the cavity, and where the amplitude of the mirror’s motion is very small compared to the cavity length.

In the proposed protocol we make use of both dynamics separately: Pulses tuned to the blue sideband are applied to create entanglement, while pulses on the red sideband are later used to read out the final mirror state. A similar separation of Stokes and anti-Stokes sideband was suggested in [90, 91] by selecting different angles of reflection of a light pulse scattered from a vibrating mirror in free space.

De C. at D. Vitali · P. it P. it G. au C. ca D. edu M. Aspelmeyer et al. 1007/978-3-642-55312-7_3, © Springer-Verlag Berlin Heidelberg 2014 25 26 K. Hammerer et al. 1 Introduction An outstanding goal in the field of optomechanics is to go beyond the regime of classical physics, and to generate nonclassical states, either in light, the mechanical oscillator, or involving both systems, mechanics and light. The states in which light and mechanical oscillators are found naturally are those with Gaussian statistics with respect to measurements of position and momentum (or field quadratures in the case of light).

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