English
Related papers

Related papers: Mathematical framework for simulation of quantum f…

200 papers

We developed a new method to calculate two-photon processes in quantum mechanics that replaces the infinite summation over the intermediate states by a perturbation expansion. This latter consists of a series of commutators that involve…

Quantum Physics · Physics 2018-04-25 Filippo Fratini , Laleh Safari , Pedro Amaro , José-Paulo Santos

We present a theoretical model which allows to keep track of all photons in an interferometer. The model is implemented in a numerical scheme, and we simulate photon interference measurements on one, two, four, and eight slits. Measurements…

Quantum Physics · Physics 2007-05-23 W. A. Hofer

The sensitivity of an interferometer depends on its readout scheme. However, little attention has been paid to the readout schemes of atom interferometers from the viewpoint of their sensitivity. The difference in sensitivity between…

Atomic Physics · Physics 2025-01-09 Takuya Kawasaki , Sotatsu Otabe , Tomoya Sato , Martin Miranda , Nobuyuki Takei , Mikio Kozuma

A framework to describe a broad class of physical operations (including unitary transformations, dissipation, noise, and measurement) in a quantum optics experiment is given. This framework provides a powerful tool for assessing the…

Quantum Physics · Physics 2007-05-23 Stephen D. Bartlett

We have shown via explicit analysis as well as numerical simulation the design of two large angle interferometers employing two-photon pulses. The first one uses the technique of adiabatic following in a dark state to produce a large…

Quantum Physics · Physics 2007-05-23 M. S. Shahriar , T. Zelevinsky , P. R. Hemmer

Advancements in physics are often motivated/accompanied by advancements in our precision measurements abilities. The current generation of atomic and optical interferometers is limited by shot noise, a fundamental limit when estimating a…

Quantum Physics · Physics 2014-11-20 Luca Pezze' , Augusto Smerzi

An interferometric scheme for the creation of momentum superposition states of mechanical oscillators, using a quantum mirror kicked by free photons is analyzed. The scheme features ultra-fast preparation with immediate detection and should…

Quantum Physics · Physics 2012-01-16 Ole Steuernagel

Non-classical states of light find applications in enhancing the performance of optical interferometric experiments, with notable example of gravitational wave-detectors. Still, the presence of decoherence hinders significantly the…

Quantum Physics · Physics 2018-08-17 R. Demkowicz-Dobrzanski , M. Jarzyna , J. Kolodynski

We describe an interferometer based on fluorescent emission of radiation of two qubits in quasi-one-dimensional modes. Such a system can be readily realized with dipole emitters near conducting surface-plasmonic nanowires or with…

Quantum Physics · Physics 2010-10-04 G. S. Paraoanu

Fourier transform spectroscopy with classical interferometry corresponds to the measurement of a single-photon intensity spectrum from the viewpoint of the particle nature of light. In contrast, the Fourier transform of two-photon quantum…

Quantum Physics · Physics 2021-11-04 Hiroya Seki , Kensuke Miyajima , Ryosuke Shimizu

Entangled photons (biphotons) in the time-frequency degree of freedom play a crucial role in both foundational physics and advanced quantum technologies. Fully characterizing them poses a key scientific challenge. Here, we propose a…

Quantum Physics · Physics 2024-03-22 Baihong Li , Changhua Chen , Boxin Yuan , Xiaofei Zhang , Ruifang Dong , Shougang Zhang , Rui-Bo Jin

Dark-field X-ray microscopy is a new full-field imaging technique that nondestructively maps the structure and local strain inside deeply embedded crystalline elements in three dimensions. Placing an objective lens in the diffracted beam…

Materials Science · Physics 2022-03-10 H. F. Poulsen , L. E. Dresselhaus-Marais , M. A. Carlsen , C. Detlefs , G. Winther

Superposition and indistinguishablility between probability amplitudes have played an essential role in observing quantum interference effects of correlated photons. The Hong-Ou-Mandel interference and interferences of the path-entangled…

Quantum Physics · Physics 2015-03-31 Heonoh Kim , Sang Min Lee , Han Seb Moon

We present a new framework for imaging and sensing based on utilizing a quantum computer to coherently process quantum information in an electromagnetic field. We describe the framework, its potential to provide improvements in imaging and…

Quantum Physics · Physics 2026-02-06 Mohan Sarovar

We describe a scheme for producing conditional nonlinear phase shifts on two-photon optical fields using an interaction with one or more ancilla two-level atomic systems. The conditional field state transformations are induced by using high…

Quantum Physics · Physics 2007-05-23 A. Gilchrist , G. J. Milburn

Orbital angular momentum (OAM) of light is a fundamental optical degree of freedom that has recently motivated much exciting research in diverse fields ranging from optical communication to quantum information. We show for the first time…

Quantum Physics · Physics 2016-01-06 Xi-Wang Luo , Xingxiang Zhou , Chuan-Feng Li , Jin-Shi Xu , Guang-Can Guo , Zheng-Wei Zhou

The tomographic representation of quantum fields within the deformation quantization formalism is constructed. By employing the Wigner functional we obtain the symplectic tomogram associated with quantum fields. In addition, the tomographic…

High Energy Physics - Theory · Physics 2021-02-03 Jasel Berra-Montiel , Roberto Cartas

We propose a novel interferometer by using optical transverse modes in multimode waveguide that can beat the standard quantum limit. In the scheme, the classical simulation of $N$-partical quantum entangled states is generated by using $N$…

Quantum Physics · Physics 2007-05-23 Jian Fu

We present a general input-output formalism for the few-photon transport in multiple waveguide channels coupled to a local cavity. Using this formalism, we study the effect of Fano interference in two-photon quantum transport. We show that…

Quantum Physics · Physics 2016-10-26 Shanshan Xu , Shanhui Fan

Quantum spectroscopy seeks to probe chemical systems using nonclassical light, which has properties that are qualitatively and quantitatively different than conventional light sources. One promising technique uses intensity-correlated twin…

‹ Prev 1 4 5 6 7 8 10 Next ›