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Related papers: Controlled cavity-QED using a photonic crystal wav…

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We report a study of the quantum dot emission in short photonic crystal waveguides. We observe that the quantum dot photoluminescence intensity and decay rate are strongly enhanced when the emission energy is in resonance with Fabry-Perot…

We propose a cavity-QED scheme for the controlled generation of sequences of entangled single-photon wavepackets. A photon is created inside a cavity via an active medium, such as an atom, and decays into the continuum of radiation modes…

Quantum Physics · Physics 2009-10-31 K. M. Gheri , C. Saavedra , P. Toermae , J. I. Cirac , P. Zoller

Integrated photonic circuits provide a versatile toolbox of functionalities for advanced quantum optics applications. Here, we demonstrate an essential component of such a system in the form of a Purcell enhanced single-photon source based…

Mesoscale and Nanoscale Physics · Physics 2020-09-11 Łukasz Dusanowski , Dominik Köck , Eunso Shin , Soon-Hong Kwon , Christian Schneider , Sven Höfling

We report experiments that demonstrate the quantization of the conductance of photonic crystal waveguides. To obtain a diffusive wave, we have added all the transmitted channels for all the incident angles. The conductance steps have equal…

Materials Science · Physics 2009-11-13 Weitao Dai , Bingnan Wang , Thomas Koschny , Costas M. Soukoulis

Controllable single-photon routing plays an important role in quantum networks. We investigate single-photon scattering in two one-dimensional (1D) waveguides by a three-level emitter with a cascade configuration, which is a dipole coupled…

Quantum Physics · Physics 2023-12-04 Yike Luo , Ya Yang , Jing Lu , Lan Zhou

In this chapter we will discuss the technology and experimental techniques to realize quantum dot (QD) single photon sources combining high outcoupling efficiencies and highest degrees of non-postselected photon indistinguishability. The…

Quantum Physics · Physics 2015-02-03 C. Schneider , P. Gold , C. -Y. Lu , S. Höfling , J. -W. Pan , M. Kamp

Superconducting metamaterials, which are designed and fabricated with structured fundamental circuit elements, have motivated recent developments of exploring unconventional quantum phenomena in circuit quantum electrodynamics…

Quantum Physics · Physics 2023-02-16 Xin Wang , Ya-Fen Lin , Jia-Qi Li , Wen-Xiao Liu , Hong-Rong Li

A phononic crystal formed in a suspended membrane provides full confinement of hypersonic waves and thus realizes a range of chip-scale manipulations. In this letter, we demonstrate the mode-resolved real-space characterization of the…

Applied Physics · Physics 2020-02-12 Daiki Hatanaka , Hiroshi Yamaguchi

We report the cavity quantum electrodynamics conditions using a composite photonic crystal symmetric cavity (CPCSC) on an optical nanocapillary fiber (NCF). The CPCSC is formed by combining the NCF and the symmetric defect mode…

Quantum Physics · Physics 2025-07-09 Srinu Gadde , Jelba John , Elaganuru Bashaiah , Ramachandrarao Yalla

We report optical positioning single quantum dots (QDs) in planar cavity with an average position uncertainty $<$20 nm using an optimized two-color photoluminescence imaging technique. We create single-photon sources based on these QDs in…

This is the first one of a series of our papers theoretically studying the coherent control of photon transmission along the coupled resonator optical waveguide (CROW) by doping artificial atoms for various hybrid structures. We will…

Quantum Physics · Physics 2009-11-13 F. M. Hu , Lan Zhou , Tao Shi , C. P. Sun

We investigate the coherent transport of a single photon in coupled semiconductor microcavity waveguide,which can be controlled by in-plane excitons in quantum well embedded in the antinode of the electromagnetic field in one of the…

Mesoscale and Nanoscale Physics · Physics 2009-07-23 Yin Zhong , Lei Tan , Li-wei Liu

We observe the weak coupling of lead sulphide nanocrystals to localized defect modes of 2-dimensional silicon nanocavities. Cavity resonances characterized with ensemble nanocrystals are verified with cold-cavity measurements using…

Optics · Physics 2015-06-26 Ranojoy Bose , Xiaodong Yang , Rohit Chatterjee , Jie Gao , Chee Wei Wong

A potential scheme is proposed to generate complete sets of entangled photons in the context of cavity quantum electrodynamics (QED). The scheme includes twice interactions of atoms with cavities, in which the first interaction is made in…

Quantum Physics · Physics 2007-05-23 X. L. Zhang , M. Feng , K. L. Gao

Wavelength-scale, high Q-factor photonic crystal cavities have emerged as a platform of choice for on-chip manipulation of optical signals, with applications ranging from low-power optical signal processing and cavity quantum…

Optics · Physics 2009-09-15 Ian W. Frank , Parag B. Deotare , Murray W. McCutcheon , Marko Loncar

The quantum behavior of superconducting qubits coupled to resonators is very similar to that of atoms in optical cavities [1, 2], in which the resonant cavity confines photons and promotes strong light-matter interactions. The cavity…

We demonstrate experimentally an air-slot mode-gap photonic crystal cavity with quality factor of 15,000 and modal volume of 0.02 cubic wavelengths, based on the design of an air-slot in a width-modulated line-defect in a photonic crystal…

Optics · Physics 2015-05-14 J. Gao , J. F. McMillan , M. -C. Wu , S. Assefa , C. W. Wong

We report on the observation of bright emission of single photons under pulsed resonance fluorescence conditions from a single quantum dot (QD) in a micropillar cavity. The brightness of the QD fluorescence is greatly enhanced via the…

We calculate the integrated-pulse quantum efficiency of single-photon sources in the cavity quantum electrodynamics (QED) strong-coupling regime. An analytical expression for the quantum efficiency is obtained in the Weisskopf-Wigner…

Quantum Physics · Physics 2009-11-11 Guoqiang Cui , M. G. Raymer

It is usually assumed that when performing a photoluminescence experiment on a microcavity containing an inhomogeneously broadened quantum dots ensemble, the cavity mode appears as a positive peak with a linewidth that reflects the mode…

Quantum Physics · Physics 2009-11-13 Bruno Gayral , Jean-Michel Gerard