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Related papers: Removal of a single photon by adaptive absorption

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We propose a method to reconstruct the optical absorption of a highly-scattering medium probed by diffuse light. The method consists of learning the optical detection system and then using this result to reconstruct the absorption. Our…

Optics · Physics 2025-10-08 Zijian Wang , Andreas Hauptmann , Lu Lu , John C. Schotland

There is a general expectation that robots should operate in environments that consist of static and dynamic entities including people, furniture and automobiles. These dynamic environments pose challenges to visual simultaneous…

Robotics · Computer Science 2020-03-26 Pushyami Kaveti , Sammie Katt , Hanumant Singh

We present a simple method of removing the singularities associated with soft photon emission to all orders in perturbation theory through exponentiation, while keeping a consistent description of hard photon emission. We apply this method…

High Energy Physics - Phenomenology · Physics 2011-07-19 D. J. Summers

Displaced single-photon entanglement is a simple form of optical entanglement, obtained by sending a photon on a beamsplitter and subsequently applying a displacement operation. We show that it can generate, through a momentum transfer in…

Quantum Physics · Physics 2015-06-18 Pavel Sekatski , Markus Aspelmeyer , Nicolas Sangouard

Conventional imaging at low light level requires hundreds of detected photons per pixel to suppress the Poisson noise for accurate reflectivity inference. In this letter, we propose a high-efficiency photon-limited imaging technique, called…

Optics · Physics 2017-06-22 Xialin Liu , Jianhong Shi , Huichao Chen , Guihua Zeng

We propose a scheme allowing a conditional implementation of suitably truncated general single- or multi-mode operators acting on states of traveling optical signal modes. The scheme solely relies on single-photon and coherent states and…

Quantum Physics · Physics 2016-04-19 J. Clausen , L. Knoell , D. -G. Welsch

The ability of an environment to assist in one-photon phase control relies upon entanglement between the system and bath and on the breaking of the time reversal symmetry. Here, one photon phase control is examined analytically and…

Quantum Physics · Physics 2013-11-12 Leonardo A. Pachon , Paul Brumer

This chapter introduces cavity-based light-matter quantum interfaces, with a single atom or ion in strong coupling to a high-finesse optical cavity. We discuss the deterministic generation of indistinguishable single photons from these…

Quantum Physics · Physics 2015-02-25 Axel Kuhn

We present a non-Hermitian theory of atomic and molecular absorption, which enables computing the absorption spectrum of multi-electron atoms and molecules without using any fitting parameters. We propose a method for optically inducing…

Chemical Physics · Physics 2019-04-02 Adi Pick , Petra Ruth Kaprálová-Žďánská , Nimrod Moiseyev

Implementing nonlinear interactions between single photons and single atoms is at the forefront of optical physics. Motivated by the prospects of deterministic all-optical quantum logic, many efforts are currently underway to find suitable…

Quantum Physics · Physics 2017-11-02 Yue-Sum Chin , Matthias Steiner , Christian Kurtsiefer

Spontaneous photon scattering by an atomic qubit is a notable example of environment-induced error and is a fundamental limit to the fidelity of quantum operations. In the scattering process the qubit loses its distinctive and coherent…

Quantum Physics · Physics 2015-06-03 Nitzan Akerman , Shlomi Kotler , Yinnon Glickman , Roee Ozeri

Electron capture by {\it isolated} atoms and ions proceeds by photorecombination. In this process a species captures a free electron by emitting a photon which carries away the excess energy. It is shown here that in the presence of an {\it…

Quantum Physics · Physics 2010-03-18 Kirill Gokhberg , Lorenz S. Cederbaum

A single atom strongly coupled to a cavity mode is stored by three-dimensional confinement in blue-detuned cavity modes of different longitudinal and transverse order. The vanishing light intensity at the trap center reduces the light shift…

Quantum Physics · Physics 2007-08-06 T. Puppe , I. Schuster , A. Grothe , A. Kubanek , K. Murr , P. W. H. Pinkse , G. Rempe

Photon-efficient imaging with the single-photon light detection and ranging (LiDAR) captures the three-dimensional (3D) structure of a scene by only a few detected signal photons per pixel. However, the existing computational methods for…

Image and Video Processing · Electrical Eng. & Systems 2022-10-28 Yiwei Chen , Gongxin Yao , Yong Liu , Hongye Su , Xiaomin Hu , Yu Pan

Light field photography has been studied thoroughly in recent years. One of its drawbacks is the need for multi-lens in the imaging. To compensate that, compressed light field photography has been proposed to tackle the trade-offs between…

Computer Vision and Pattern Recognition · Computer Science 2019-02-22 Ofir Nabati , David Mendlovic , Raja Giryes

The resonant absorption of light by an ensemble of absorbers decreases when the resonance is inhomogeneously broadened, as only a fraction of the ensemble contributes to the absorption at any given optical frequency. Recovering the lost…

Quantum Physics · Physics 2019-11-22 Ohr Lahad , Ran Finkelstein , Omri Davidson , Ohad Michel , Eilon Poem , Ofer Firstenberg

We report the optical imaging of a single atom with nanometer resolution using an adaptive optical alignment technique that is applicable to general optical microscopy. By decomposing the image of a single laser-cooled atom, we identify and…

Atomic Physics · Physics 2016-09-21 J. D. Wong-Campos , K. G. Johnson , B. Neyenhuis , J. Mizrahi , C. Monroe

High-precision time transfer over a long haul of fiber plays a significant role in many fields. The core method, namely cascading relay nodes for the compensation of signal attenuation and dispersion, is however insufficient to deal with…

Optics · Physics 2024-12-25 Yufei Zhang , Ziyang Chen , Bin Luo , Hong Guo

State transfer and photon detection are fundamental processes that have direct implications in fields such as quantum computing and photonic circuits. However, while naturally emitted photons decay exponentially in time, to perfectly…

Quantum Physics · Physics 2023-10-23 Asaf Farhi , Wei Dai , Seunghwi Kim , Andrea Alu , Douglas Stone

A scheme for entangling distant atoms is realized, as proposed in the seminal paper by Cabrillo et al. [Phys. Rev. A 59, 1025 (1999)]. The protocol is based on quantum interference and detection of a single photon scattered from two…

Quantum Physics · Physics 2015-06-05 L. Slodička , G. Hétet , N. Röck , P. Schindler , M. Hennrich , R. Blatt