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Related papers: Hong-Ou-Mandel atom interferometry in tunnel-coupl…

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In quantum mechanics, the exchange symmetry of wave functions for identical particles has observable effects, including the widely studied Hong-Ou-Mandel (HOM) effect. A theoretical description using second quantization is elegant but…

Quantum Physics · Physics 2024-08-30 Zhi Jiao Deng , Xin Zhang , Yong Shen , Wei Tao Liu , Ping Xing Chen

Ultracold molecules trapped in optical tweezers show great promise for the implementation of quantum technologies and precision measurements. We study a prototypical scenario where two interacting polar molecules placed in separate traps…

We study the influence of the relativistic redshift on Hong-Ou-Mandel (HOM) interference, and present a genuine quantum test of general relativity. We use Glauber's theory of quantum coherence to predict the coincidence probability of…

General Relativity and Quantum Cosmology · Physics 2022-05-30 Roy Barzel , David Edward Bruschi , Andreas W. Schell , Claus Laemmerzahl

Quantum mechanical tunneling of atoms is increasingly found to play an important role in many chemical transformations. Experimentally, atom-tunneling can be indirectly detected by temperature-independent rate constants at low temperature…

Chemical Physics · Physics 2020-09-10 Jan Meisner , Johannes Kästner

We describe a controllable and precise laser tweezers for Bose-Einstein condensates of ultracold atomic gases. In our configuration, a laser beam is used to locally modify the sign of the scattering length in the vicinity of a trapped BEC.…

Other Condensed Matter · Physics 2009-11-13 Alicia V. Carpentier , Juan Belmonte-Beitia , Humberto Michinel , Victor M. Perez-Garcia

Hong-Ou-Mandel interferometers are valuable tools in many Quantum Information and Quantum Optics applications that require photon indistinguishability. The theoretical limit for the Hong-Ou-Mandel visibility is 0.5 for indistinguishable…

We apply the theory of semiparametric estimation to a Hong-Ou-Mandel interference experiment with a spectrally entangled two-photon state generated by spontaneous parametric downconversion. Thanks to the semiparametric approach we can…

Quantum Physics · Physics 2022-04-21 Valeria Cimini , Francesco Albarelli , Ilaria Gianani , Marco Barbieri

Two-photon anticorrelation is observed when laser and pseudothermal light beams are incident to the two input ports of a Hong-Ou-Mandel interferometer, respectively. The spatial second-order interference pattern of laser and pseudothermal…

Optics · Physics 2014-04-01 Jianbin Liu , Yu Zhou , Fu-Li Li , Zhuo Xu

Two-photon interference and Hong-Ou-Mandel (HOM) effect are relevant tools for quantum metrology and quantum information processing. In optical coherence tomography, HOM effect is exploited to achieve high-resolution measurements with the…

Quantum Physics · Physics 2016-12-28 Z. Mazzotta , S. Cialdi , D. Cipriani , S. Olivares , M. G. A. Paris

Precise measurements are the key to advances in all fields of science. Quantum entanglement shows higher sensitivity than achievable by classical methods. Most physical quantities including position, displacement, distance, angle, and…

Quantum Physics · Physics 2017-07-05 Zhi-Yuan Zhou , Shi-Long Liu , Shi-Kai Liu , Yin-Hai Li , Dong-Sheng Ding , Guang-Can Guo , Bao-Sen Shi

We use time-frequency continuous variables as the standard framework to describe states of light in the subspace of individual photons occupying distinguishable auxiliary modes. We adapt to this setting the interplay between metrological…

Quantum Physics · Physics 2023-08-02 Éloi Descamps , Arne Keller , Pérola Milman

Quantum states encoded in the time-bin degree of freedom of photons represent a fundamental resource for quantum information protocols. Traditional methods for generating and measuring time-bin encoded quantum states face severe challenges…

A generalized multi-parameter Hong-Ou-Mandel interferometer is presented which extends the conventional "Mandel dip" configuration to the case where a symmetric biphoton source is used to monitor the contemporary presence of k independent…

Quantum Physics · Physics 2019-12-11 Yu Yang , Luping Xu , Vittorio Giovannetti

The edge states of a two-dimensional topological insulator are characterized by their helicity, a very remarkable property which is related to the time-reversal symmetry and the topology of the underlying system. We theoretically…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 D. Ferraro , C. Wahl , J. Rech , T. Jonckheere , T. Martin

We study the tunneling of a two-level atom in a double well potential while the atom is coupled to a single electromagnetic field mode of a cavity. The coupling between internal and external degrees of freedom, due to the mechanical effect…

Quantum Physics · Physics 2008-06-18 John Martin , Daniel Braun

Quantum Information Processing, from cryptography to computation, based upon linear quantum optical circuit elements relies heavily on the ability offered by the Hong-Ou-Mandel (HOM) Effect to route photons from separate input modes into…

Quantum Physics · Physics 2014-04-23 Edwin E. Hach , Stefan F. Preble , Ali W. Elshaari , Paul M. Alsing , Michael L. Fanto

We propose a scheme for quantum logic with neutral atoms stored in an array of holographic dipole traps where the positions of the atoms can be rearranged by using holographic optical tweezers. In particular, this allows for the transport…

Quantum Physics · Physics 2009-11-11 U. Dorner , T. Calarco , P. Zoller , A. Browaeys , P. Grangier

The concerted motion of two or more bound electrons governs atomic and molecular non-equilibrium processes and chemical reactions. It is thus a long-standing scientific dream to measure the dynamics of two bound correlated electrons in the…

We extensively discuss the Hong-Ou-Mandel experiment taking an original phase-space-based perspective. For this, we analyze time and frequency variables as quantum continuous variables in perfect analogy with position and momentum of…

Quantum Physics · Physics 2022-11-09 Nicolas Fabre , Maria Amanti , Florent Baboux , Arne Keller , Sara Ducci , Pérola Milman

The realization of an efficient quantum optical interface for multi-qubit systems is an outstanding challenge in science and engineering. Using two atoms in individually-controlled optical tweezers coupled to a nanofabricated photonic…