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We propose a novel scheme of realizing an optical diode at the few-photon level. The system consists of a one-dimensional waveguide coupled asymmetrically to a two-level system. The two or multi-photon transport in this system is strongly…

Optics · Physics 2015-05-18 Dibyendu Roy

We introduce a novel approach for all-optical trapping and manipulation of absorbing aerosol particles based on a photophoretic force. We demonstrate experimentally, in open air, the robust three-dimensional guiding of agglomerates of…

We theoretically demonstrate direction-dependent polarization conversion efficiency, yielding unidirectional light transmission, through a two-layer nanostructure by using the angular spectrum representation of optical near-fields. The…

Subwavelength plasmonic waveguides show the unique ability of strongly localizing (down to the nanoscale) and guiding light. These structures are intrinsically two-way optical communication channels, providing two opposite light propagation…

Optics · Physics 2016-04-13 Yannick Lefier , Thierry Grosjean

The deterministic control of light-matter interactions at the level of single particles and on subwavelength scales is central to quantum optics and hybrid integrated quantum technologies. However, combining cold atom research with…

Quantum Physics · Physics 2025-11-25 J. T. Hansen , F. Gargiulo , J. B. Mathiassen , J. H. Müller , E. S. Polzik , J. -B. Béguin

Employing tight-binding approximation we derive a transfer matrix formalism for one-dimensional single photon transport through a composite scattering center, which consists of parallel connected resonator optical waveguides. By solving the…

Quantum Physics · Physics 2017-03-29 Yu Jiang , M. Lozada-Cassou

The coupling of atomic arrays and one-dimensional subwavelength waveguides gives rise to in- teresting photon transport properties, such as recent experimental demonstrations of large Bragg reflection and paves the way for a variety of…

Routing of photon play a key role in optical communication networks and quantum networks. Although the quantum routing of signals has been investigated in various systems both in theory and experiment, the general form of quantum routing…

Quantum Physics · Physics 2014-10-20 Peng-Cheng Ma , Jian-Qi Zhang , Yin Xiao , Mang Feng , Zhi-Ming Zhang

Unravelling superradiance, also known as superfluorescence, relies on an ensemble of phase-matched dipole oscillators and the suppression of inhomogeneous broadening. Here we report on a novel superradiance platform that combines an optical…

Atomic Physics · Physics 2020-03-17 Shoichi Okaba , Deshui Yu , Luca Vincetti , Fetah Benabid , Hidetoshi Katori

We present a brief overview of the transport of quantum light across a one-dimensional waveguide which is integrated with a periodic string of quantum-scale dipoles. We demonstrate a scheme to implement transparency by suitably tuning the…

Quantum Physics · Physics 2021-11-08 Girish S. Agarwal , Debsuvra Mukhopadhyay

Directing indistinguishable photons from one input port into separate output ports is a fundamental operation in quantum information processing. The simplest scheme for achieving routing beyond random chance uses the photon blockade effect…

Quantum Physics · Physics 2023-05-03 Harjot Singh , Jasvith Raj Basani , Edo Waks

We show that single-atoms can be trapped on the surface of a subwavelength-diameter silica-fiber, an optical nanofiber, without any external field, and that single photons spontaneously emitted from the atoms can be readily detected through…

Quantum Physics · Physics 2009-11-13 K. P. Nayak , K. Hakuta

In this paper, we report on experimental implementation of a linear-optical quantum router. Our device allows single-photon polarization-encoded qubits to be routed coherently into two spatial output modes depending on the state of two…

Quantum Physics · Physics 2018-09-12 Karol Bartkiewicz , Antonín Černoch , Karel Lemr

By illuminating an individual rubidium atom stored in a tight optical tweezer with short resonant light pulses, we create an efficient triggered source of single photons with a well-defined polarization. The measured intensity correlation…

We propose and investigate a new type of optical waveguide made by an array of atoms without involving conventional Bragg scattering or total internal reflection. A finite chain of atoms collectively coupled through their intrinsic…

Mesoscale and Nanoscale Physics · Physics 2016-08-02 Siu-Tat Chui , Shengwang Du , Gyu-Boong Jo

We study controllable single photon scattering in a one-dimensional waveguide coupling with an additional cavity by second order nonlinear materials in a non-cascading configuration, where the additional cavity is embedded with two-level…

Optics · Physics 2020-07-15 Hongyu Lin , Xiaoqian Wang , Zhihai Yao , Dandan Zou

We theoretically demonstrate a fiber-integrated single photon source of unprecedented efficiency. This fiber single photon source is achieved by coupling optically a single quantum emitter to a monomode optical fiber with a new concept of…

Optics · Physics 2016-04-01 T. Grosjean , M. Mivelle , G. W. Burr , F. I. Baida

Nanoscale generation of individual photons in confined geometries is an exciting research field aiming at exploiting localized electromagnetic fields for light manipulation. One of the outstanding challenges of photonic systems combining…

We propose a single-photon frequency converter via a one-dimensional waveguide coupled to a $V$-type atom. The on-demand classical field allows the atom to absorb a photon with a given frequency, then emit a photon with a carried frequency…

Quantum Physics · Physics 2015-06-18 Z. H. Wang , Lan Zhou , Yong Li , C. P. Sun

In this Letter we show how a single beam optical trap offers the means for three-dimensional manipulation of semiconductor nanorods in solution. Furthermore rotation of the direction of the electric field provides control over the…

Biological Physics · Physics 2012-03-06 C. Robin Head , Elena Kammann , Marco Zanella , Liberato Manna , Pavlos G. Lagoudakis