Optomechanical potential, optomechanical spring effect. August 2018 this dissertation is submitted for the degree of doctor of philosophy. Quantum optomechanics florian marquardt universityoferlangennuremberg,instituteoftheoreticalphysics,staudtstr. Recent experimental advances have allowed studying for the first time the modifications of mechanical dynamics provided by radiation pressure. Moreover, the subject of cavity optomechanics is leveraging a. This field explores the interaction between electromagnetic radiation and nanomechanical or micromechanical motion. Molecular cavity optomechanics as a theory of plasmon. Ying li, jiangjun zheng, jie gao, jing shu, mehmet sirin aras, and chee wei wong.
Kippenberg, tobias here, i report on a cryogenic cavity optomechanics experiment that has been set up with the goal to cool a mechanical degree of freedom of a fused silica microtoroidal resonator into the. Introduction to optomechanics klemens hammerer imprs lecture week mardorf 19. Vahala2 the coupling of optical and mechanical degrees of freedom is the underlying principle of many techniques to measure mechanical displacement, from macroscale gravitational wave detectors to microscale cantilevers used in scanning probe microscopy. Mechanical degree of freedom coupled to a cavity mode. It is a cross field of optics, quantum optics, solidstate physics and materials science. Here we depicted a microwave drive entering along a transmission line that is inductively coupled to the lc circuit representing the microwave resonator. The system could be as simple as an optical cavity in which one of the end mir. Optical microcavities and micro nano mechanical resonators, each a subject in its own right with a rich scientific and technological history 1,2, have, in a sense, become entangled experimentally. During the last few years cavityoptomechanics has emerged as a new field of research. This cited by count includes citations to the following articles in scholar. It is edited by markus aspelmeyer, tobias kippenberg, and florian marquardt, researchers who have achieved some of the fields most significant recent discoveries. Cavity optomechanics nano and micromechanical resonators. Characterization of radiation pressure and thermal effects in.
During the last few years cavity optomechanics has emerged as a new field of research. Cavity optomechanics for sensing applications request pdf. August 2018 this dissertation is submitted for the degree of. A cavity optomechanics model accounting for the intrinsic dynamics of the interaction between plasmons and molecular vibrations reveals a parametric amplification mechanism that. Singlemolecule optomechanics in picocavities science. The microwave cavity is machined from highconductivity copper. The basic setup of cavity optomechanics 1, 2 involves an otherwise ordinary optical fabryperot cavity resonator, but having one of the mirrors compliant for mechanical vibrations. Suppression of extraneous thermal noise in cavity optomechanics yi zhao, dalziel j. Inspiration, measurement and backaction, laboratory versions. A key figure of merit in this regard is the ratio of cavity quality factor, q related to the dissipation rate of photons confined to the cavity, to cavity mode volume, v refs 10, 11. Nano and micromechanical resonators interacting with light is a collection of 12 invited articles by leading experts from both sides of the atlantic.
Periodic driving and nonreciprocity in cavity optomechanics. Cavityoptomechanics with silica microtoroids quantumcoherent coupling and optomechanically induced transparency weis, stefan alexander. Optical nanostructures laboratory, center for integrated science and engineering, solidstate science and. Highq doubledisk microcavities for cavity optomechanics xiaoshun jiang 1,2, qiang lin 1, jessie rosenberg 1, kerry vahala 1, and oskar painter 1 1department of applied physic, california institute of technology, pasadena, california, 91125, usa. First, the ability to provide targeted cooling of nano and micromechanical oscillators which are otherwise part of devices at room temperature bodes well for practical applications because, in principle, conventional cryogenics are unnecessary. Quantum optomechanics can it be used to observe quantum effects with macroscopic systems. Possible applications range from novel highbandwidth mechanical sensing devices through the. Design of dispersive optomechanical coupling and cooling in ultrahighqv slottype photonic crystal cavities. The results have implications in a wide range of subjects including improved gravity. Nano and micromechanical resonators interacting with light markus aspelmeyer, tobias j. Possible applications range from novel highbandwidth mechanical sensing devices through the generation of squeezed optical or mechanical states.
Nano and micromechanical resonators interacting with light quantum science and technology kindle edition by aspelmeyer, markus, kippenberg, tobias j. Suppression of extraneous thermal noise in cavity optomechanics. Nov 11, 2016 confining light to a cavity is often used to enhance the interaction between the light and a particle stored within the cavity. Download it once and read it on your kindle device, pc, phones or tablets. The coupling of mechanical and optical degrees of freedom via radiation pressure has been a subject of early research in the context of gravitational wave detection. A dielectric body couples with electromagnetic fields through radiation pressure and electrostrictive forces, which mediate phononphoton coupling in cavity optomechanics.
Cavity optomechanics may also enable advances in several other areas. Early optomechanics put simply, a cavity optomechanical system is an optical or microwave cavity that contains a mechanical element, a moving part that can support collective oscillation modes whose quanta of excitation are known as phonons. Norman bridge laboratory of physics, 1233, california institute of technology, pasadena. Pdf cavity optomechanics with ultrahigh q crystalline. Cavity optomechanics with optical microresonators cqom.
Introduction to optomechanics and optomechanical systems. Cavity optomechanics mediated by a quantum twolevel system. Cavity optomechanics is a branch of physics which focuses on the interaction between light and mechanical objects on lowenergy scales. They used laser irradiation to move atoms in the nanoparticle and produced a picocavity that was stable at cryogenic. Design of dispersive optomechanical coupling and cooling in. Although mechanical oscillator are ubiquitous in our modern information technology, and used in timekeeping, mems accelerometers or in radio frequency filters in cellphones, yet their quantum control had remained an outstanding challenge. A chipscale integrated cavityelectrooptomechanics platform.
Recent years have witnessed a series of developments at the intersection of two, previously distinct subjects. This highly interdisciplinary field studies the interaction between micro and nano mechanical systems and light. Cavity optomec hanics with ultrahigh q crystalline microresonators j. The coupling of mechanical and optical degrees of freedom via radiation pressure has been a subject of early research in the context of. In a magnetic medium, according to the korteweghelmholtz formula, which describes the electromagnetic force density acting on a medium, magneostrictive forces should arise and lead to phononmagnon interaction. Cavityoptomechanics with silica microtoroids infoscience. The device used in our experiments consists of a threedimensional microwave cavity and a yig sphere fig. Cavityenhanced radiationpressure coupling between optical and mechanical degrees of freedom allows quantumlimited position measurements. Aug 29, 2008 cavity optomechanics may also enable advances in several other areas. This work opens up nonlinear cavity optomechanics as a plausible tool for the study of quantum properties of motion. University hannover institute for theoretical physics institute for gravitational physics aei optomechanics cavity optomechanics.
55 1269 1148 780 1124 1638 560 1269 920 1036 1263 848 129 1355 64 1007 474 1112 7 18 1453 641 1542 1465 506 496 1057 1393 1306 1183