Large mechanical squeezing beyond a 3db of hybrid atom. We investigate atomic collision on the behaviour of the bec in the week photonatom coupling constant and use bogoliubov approximation for the bec. Coherent control and feedback cooling in a remotely coupled. We report on the realization of a hybrid optomechanical system in which ultracold atoms are coupled to a micromechanical membrane. Pdf atomic quadrature squeezing and quantum state transfer. Nonequilibrium quantum phase transition in a hybrid atom. Hybrid atom photon quantum gate in a superconducting microwave resonator j. Hybrid atomphoton quantum gate in a superconducting. Cavity optomechanics is a branch of physics which focuses on the interaction between light and mechanical objects on lowenergy scales. Download fulltext pdf download fulltext pdf hybrid atommembrane optomechanics article pdf available in the european physical journal conferences 57. Coherent control and feedback cooling in a remotely. We consider a hybrid atom optomechanical system depicted in fig. In this paper, we investigate theoretically the quantum state transfer in a laserdriven hybrid optomechanical cavity with two duffinglike anharmonic movable end mirrors containing an ensemble of identical twolevel trapped atoms.
Molecular optomechanics in the anharmonic cavityqed regime. The hybrid optomechanical model consists of one fixed mirror m 1 and a movable mirror m 2 connected to a spring fixed to a wall. Pdf twoatom quantum gate in hybrid cavity optomechanics. The system of study consists of a twolevel atom coupled to a singlemode. Electromagnetically induced transparency and tunable fano resonances in hybrid optomechanics muhammad javed akram1, fazal ghafoor2 and farhan saif1 1department of electronics, quaidiazam university, 45320 islamabad, pakistan 2department of physics, comsats institute of information technology, islamabad, pakistan email.
In theory, a single atom trapped in an optomechanical system can already achieve coherent manipulation and measurement. Atomic, molecular and optical physics, 2015, volume 48, number 6, page 065502. We propose a scheme for the generation of strong mechanical squeezing beyond 3db in hybrid atom optomechanical systems in the highly unresolved sideband hursb regime where the decay rate of cavity is much larger than the frequency of the mechanical oscillator. Nonequilibrium quantum phase transition in a hybrid atom optomechanical system niklas mann 1, m. Secondly under above condition, we propose a scheme for. Saffman department of physics, university of wisconsin, 1150 university avenue, madison, wisconsin 53706 received 14 october 20.
Ou,1,3, and weiping zhang1,2, 1department of physics, quantum institute for light and atoms, state key laboratory of precision spectroscopy, east china normal university, shanghai 200062, peoples republic of china 2key laboratory of polar materials and devices, ministry of. They used laser irradiation to move atoms in the nanoparticle and produced a picocavity that was stable at cryogenic. Sep 24, 2018 cavity optomechanics works as an ideal platform to study the quantum properties of macroscopic mechanical systems. Any further distribution of this work must maintain attribution to the authors and the title of the work, journal citation and doi. Osa groundstate cooling of an oscillator in a hybrid atom.
The mechanical oscillator a thin silicon nitride membrane is coupled to a cold atomic sample right by an optical field. Supplemental information for coherent atomphonon interaction through mode field coupling in hybrid optomechanical systems michele cotrufo and andrea fiore department of applied physics, eindhoven university of technology, 5600 mb eindhoven, the netherlands ewold verhagen center for nanophotonics, amolf, science park 104, 1098 xg amsterdam, the. Fundamentals and applications of optomechanically induced. Cooling of a nanomechanical resonator in presence of a single diatomic molecule m eghbaliarani, h yavari, vittorio giovannetti, and m. In this paper, firstly, we consider bipartite entanglement between each part of an optomechanical cavity composed of onedimensional boseeinstein condensate bec.
We take the full lattice potential into account and include also atom atom interaction in the gas, for which we employ a mean eld. Schematic diagram of a hybrid atomoptomechanical system with a cloud of identical twolevel atoms trapped in an optical cavity consisting of a fixed mirror and a movable mirror. Electromagnetically induced transparency and tunable fano resonances in hybrid optomechanics muhammad javed akram, fazal ghafoor, and farhan saif journal of physics b. Download fulltext pdf download fulltext pdf hybrid atom membrane optomechanics article pdf available in the european physical journal conferences 57. The rapid progress witnessed by quantum optomechanics makes it increasingly realistic to consider the use of mechanical systems operating in the quantum regime to make precise and accurate measurements of feeble forces and fields 90.
Twoatom quantum gate in hybrid cavity optomechanics. Cavity optomechanics works as an ideal platform to study the quantum properties of macroscopic mechanical systems. Theory and experimental concepts of optomechanics y. Mechanical motion couples to many di erent systems light, atoms, superconducting qubits, microwave resonators, spins, etc. Hybrid atom membrane optomechanics maria korppi 1, andreas jockel 1, matthew t. Dynamics of coupled multimode and hybrid optomechanical systems. Physics 4, 97 2011 viewpoint hybrid atomoptomechanics albert schliesser and tobias j. Recent experiments have reached a regime where the backaction of photons caused by radiation pressure can influence the optomechanical. The motivation for research on cavity optomechanics comes from fundamental effects of quantum theory and gravity, as well as technological applications. A hybrid atom nanomechanical interface used by camerer et al.
Generation and amplification of highorder sideband induced by two. Hybrid atommembrane optomechanics by korppi maria, jockel andreas, rakher matthew t. It is a cooperating project within institutes in universitat hamburg. Vacuumdressed materials, molecular quantum optics, quantum hybrid optomechanics, charge and energy transport and transfer, subradiantlyenhanced materials, molecular polaritonics, quantum chemistry publishing impact publications. A short walk through quantum optomechanics meystre. Nonequilibrium quantum phase transition in a hybrid atomoptomechanical system niklas mann 1, m. Jul 01, 2018 the hybrid optomechanical model consists of one fixed mirror m 1 and a movable mirror m 2 connected to a spring fixed to a wall. On the other hand, with the development of the optomechanics 30, hybrid atomoptomechanics becomes an essential branch of the optomechanics. Reza bakhtiari, axel pelster2, and michael thorwart1 1i.
For this reason, it has been employed to create nonclassical states 1,2, realize. In this paper, based on hybrid atomcavity optomechanics, we report the following. Hybrid quantum optomechanics nanomechanicaloscillator coupled by bose einstein condensates. We find that within the singlephoton optomechanics and lambdicke limit, the presence of the tripod atom alters the optical properties of the cavity radiation field drastically, and. Generating quantum discord between two distant boseeinstein condensates with bell. 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. Pdf large mechanical squeezing beyond 3db of hybrid atom. Tracing the dynamics of a quantum system using a mesoscopic device is an important. Importantly, the coupling via the standing wave laser fields allows the researchers to entirely separate the physical locations, which may prove highly versatile in future, cryogenic experiments.
We present a quantum theory for a fully coupled hybrid optomechanical system where all mutual couplings between a twolevel atom, a confined photon mode and a mechanical oscillator mode are considered. A solution to this problem was proposed by linus pauling, who argued that the valence orbitals on an atom could be combined to form hybrid atomic orbitals the geometry of a bef 2 molecule can be explained, for example, by mixing the 2s orbital on the beryllium atom with one of. Aug 29, 2008 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. Atomlight hybrid interferometer bing chen,1 cheng qiu,1 shuying chen,1 jinxian guo,1 l. We theoretically investigate the singlephoton transport in a hybrid atomoptomechanical system embedded with two dipolecoupled twolevel atoms, interacting with a singlemode optical waveguide. Perfect photon absorption in hybrid atom optomechanical system. We concentrate on the cases embodied by either a single or a multiatom system a boseeinstein condensate, in particular and discuss a wide range of physical effects, from passive mechanical cooling to the setup of multipartite entanglement, from optomechanical nonlocality to the achievement. Here we give a theoretical study of a hybrid atomoptomechanical system in which the steadystate squeezing of the mechanical resonator can be generated via. Tunable fast and slow light in a hybrid optomechanical system. We propose a scheme for the generation of strong mechanical squeezing beyond 3db in hybrid atomoptomechanical systems in the highly unresolved sideband hursb regime where the decay rate of cavity is much larger than the frequency of the mechanical oscillator. B 46 104001 20 quantum optomechanics throwing a glance. Pdf hybrid atommembrane optomechanics matthew rakher. The atoms are trapped in the intensity maxima of an optical standing wave formed by retroreflection of a. Rakher 1, stephan camerer 2,3, david hunger 2,3, theodor w.
Another area where multiple modes are involved are hybrid systems. Osa large mechanical squeezing beyond a 3db of hybrid atom. We have theoretically studied a generic hybrid atom optomechanical system where two identical atoms in \lambda. Quantum effects in hybrid atomic optomechanics in a system comprising a cloud of atoms and a mobile mirror mediated by a single. The quantum state transfer from the bogoliubov modes of the two anharmonic oscillators to the atomic mode results in the atomic quadrature squeezing beyond the. Recent experiments have reached a regime where the backaction of photons caused by radiation pressure can influence the optomechanical dynamics. Nov 21, 2011 a hybrid atom nanomechanical interface used by camerer et al. Supplemental information for coherent atom phonon interaction through mode field coupling in hybrid optomechanical systems michele cotrufo and andrea fiore department of applied physics, eindhoven university of technology, 5600 mb eindhoven, the netherlands ewold verhagen center for nanophotonics, amolf, science park 104, 1098 xg amsterdam, the.
Electromagnetically induced transparency and tunable fano. In optomechanics, the movable mirror can be cooled down, by the mechanical effects of light, to its quantum mechanical ground state 3,4,5,6,7, thus providing a platform to study strong coupling effects in hybrid systems 8,9,10,11. A hybrid atomnanomechanical interface used by camerer et al. Molecular optomechanics in the anharmonic cavityqed. Kippenberg ecolepolytechniquefederaledelausanneepfl,ch1007lausanne. Introduction to optomechanics klemens hammerer imprs lecture week mardorf 19 centre for quantum engineering and spacetime research leibniz university hannover institute for theoretical physics institute for gravitational physics aei. Hybrid atomicoptomechanical systems observing quantum. In such a configuration, new quantum interference effects and correlations arise due to the interplay and competition between the different physical interactions. Hybrid quantum nano optomechanics it has recently become possible to cool macroscopic mechanical oscillators down to their quantum ground state of motion. Two atom quan tum gate in hybrid cavit y optomechanics anil kumar chauhan. We investigate a hybrid quantum system combining cavity quantum electrodynamics and optomechanics, where a photon mode is coupled to a fourlevel tripod atom and to a mechanical mode via radiation pressure. Atomlight hybrid interferometer indiana university. In many cases, these measurements amount to the detection of. Coupling a silicon nitride membrane resonator with a gas of ultracold atoms offers a novel approach to controlling mechanical systems at the.
Hybrid atommembrane optomechanics mpsauthors camerer, stephan laser spectroscopy, max planck institute of quantum optics, max planck society. We explain the phenomena of electromagnetically induced transparency eit of a weak probe. Tunable bistability in hybrid boseeinstein condensate. Hybrid quantum nanooptomechanics it has recently become possible to cool macroscopic mechanical oscillators down to their quantum ground state of motion. We concentrate on the cases embodied by either a single or a multi atom system a bose. We find that within the singlephoton optomechanics and lambdicke limit, the presence of the tripod atom alters the optical properties of the cavity radiation field drastically, and gives. Hybrid atomicoptomechanical systems observing quantum effects in.
Various kinds of mechanical oscillators, ranging in mass from picograms to micrograms have now been prepared at ultralow mean phonon occupancy by combining traditional cryogenic. May 02, 2019 using carefully designed hybrid metaldielectric resonators, we study molecular optomechanics in the strong coupling regime g 2. It is difficult to explain the shapes of even the simplest molecules with atomic orbitals. The system is formed by two twolevel atomic ensembles and an optomechanical system with cavity driven by two lasers with different. We consider a hybrid atomoptomechanical system depicted in fig. The transmission amplitudes for the singlephoton propagation in such a hybrid system are obtained via a realspace approach. The part h 0 accounts for the free hamiltonian of the cavity mode with frequency. Pdf hybrid atommembrane optomechanics researchgate. Twoatom quan tum gate in hybrid cavit y optomechanics anil kumar chauhan. Twoatom quantum gate in hybrid cavity optomechanics core. The hybrid atom optomechanical system consists of a cloud of twolevel atoms in the cavity which is driven by two input light fields. It is a cross field of optics, quantum optics, solidstate physics and materials science.
Pdf we investigate a hybrid quantum system consisting of a cavity optomechanical device optically coupled to an ultracold quantum gas. Institut fur theoretische physik, universit at hamburg, jungiusstra. M eghbaliarani, s barzanjeh, h yavari, ma shahzamanian, annals of physics 355, 1422015. Entanglement of two hybrid optomechanical cavities. Importantly, the lightmediated coupling between the atoms and the membrane is nonresonant here. 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.
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