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Scalable optical quantum technologies require interference between large numbers of indistinguishable single-photons emitted by independent sources. Semiconductor quantum dots are known to be excellent on-demand sources of single-photons.…

We investigate theoretically the model of two \qubits" system (one qubit having an auxiliary level) interacting with a single-mode resonator in the ultrastrong coupling regime. We show that a single photon could simultaneously excite two…

Quantum Physics · Physics 2018-01-16 Qian Bin , Xin-You Lü , Shang-Wu Bin , Gui-Lei Zhu , Ying Wu

We present a general framework to model spontaneous emission in integrated photonic structures by exploiting quantization of the electromagnetic field in terms of asymptotic in/out modes. This approach allows for an efficient and physically…

Quantum Physics · Physics 2026-01-15 Vincenzo Macrì , Alice Viola , Marco Liscidini

Shot noise sets a fundamental limit on the sensitivity of classical optical measurements, with coherent emitters achieving the lowest possible shot-noise level. Emission from sub-Poissonian light provides a pathway to surpass this limit,…

The ultimate non-classic light sources for modern photonic quantum technology require on-demand generation of indistinguishable quantum light with high brightness and flexible engineering of quantum emission in multiple degrees of freedom.…

A new engineering technique using continuous quantum measurement in conjunction with feed-forward is proposed to improve indistinguishability of a single-photon source. The technique involves continuous monitoring of the state of the…

Quantum Physics · Physics 2010-02-20 Shesha Raghunathan , Todd Brun

Motivated by developments in quantum information science, much recent effort has been directed toward coupling individual quantum emitters to optical microcavities. Such systems can be used to produce single photons on demand, enable…

Quantum Physics · Physics 2009-03-30 Murray W. McCutcheon , Darrick E. Chang , Yinan Zhang , Mikhail D. Lukin , Marko Loncar

We propose a method for producing on-demand single-photon states based on collision-induced exchanges of photons and unbalanced linear absorption between two single-mode light fields. These two effects result in an effective nonlinear…

Quantum Physics · Physics 2009-11-10 Tao Hong , Michael W. Jack , Makoto Yamashita

We have demonstrated efficient production of triggered single photons by coupling a single semiconductor quantum dot to a three-dimensionally confined optical mode in a micropost microcavity. The efficiency of emitting single photons into a…

Interference of a single photon generated from a single quantum dot is observed between two photon polarization modes. Each emitted single photon has two orthogonal polarization modes associated with the solid-state single photon source, in…

Mesoscale and Nanoscale Physics · Physics 2009-09-03 H. Kumano , S. Ekuni , H. Nakajima , M. Jo , H. Sasakura , S. Adachi , S. Muto , I. Suemune

The lack of suitable quantum emitters in silicon and silicon-based materials has prevented the realization of room temperature, compact, stable, and integrated sources of single photons in a scalable on-chip architecture, so far. Current…

Quantum Physics · Physics 2015-06-12 H. Flayac , D. Gerace , V. Savona

The Jaynes-Cummings Hamiltonian is at the core of cavity quantum electrodynamics, and is ubiquitous in a variety of quantum technologies. The ability to implement and control the various aspects of this Hamiltonian is thus of paramount…

Quantum Physics · Physics 2023-02-06 Aviv Karnieli , Shanhui Fan

Recent works have shown that collective single photon spontaneous emission from an ensemble of $N$ resonant two-level atoms is a rich field of study. Superradiance describes emission from a completely symmetric state of $N$ atoms, with a…

Quantum Physics · Physics 2023-09-27 Nicola Piovella , Stefano Olivares

We present a semiconductor master equation technique to study the input/output characteristics of coherent photon transport in a semiconductor waveguide-cavity system containing a single quantum dot. We use this approach to investigate the…

Quantum Physics · Physics 2013-05-31 S. Hughes , C. Roy

Over the last decades, quantum optics has evolved from high quality factor cavities in the early experiments toward new cavity designs involving leaky modes. Despite very reliable models, in the concepts of cavity quantum electrodynamics,…

Quantum Physics · Physics 2023-06-29 Astghik Saharyan , Benjamin Rousseaux , Zsolt Kis , Sergiy Stryzhenko , Stéphane Guérin

We investigate quantum beats in the arrival-time distribution of single photons from a single trapped $^{40}$Ca$^+$ ion, revealing their fundamentally different physical origins in two distinct experimental situations: In a $\Lambda$-type…

Quantum Physics · Physics 2014-08-19 Michael Schug , Christoph Kurz , Pascal Eich , Jan Huwer , Philipp Müller , Jürgen Eschner

The deterministic production of single-photons from two dimensional materials promises to usher in a new generation of photonic quantum devices. In this work, we outline criteria by which single-photon emission can be realised in two…

Mesoscale and Nanoscale Physics · Physics 2020-08-27 Joshua J. P. Thompson , Samuel Brem , Hanlin Fang , Joey Frey , Saroj P. Dash , Witlef Wieczorek , Ermin Malic

The extraction of information carried by light plays an increasingly important role in optical communication, imaging, and detection. However, the information can only be successfully extracted when the light pulse is comparably strong,…

Optics · Physics 2026-05-25 Zhen Yang , Zeng-Quan Yan , Li Wang , Xiao-Wei Wang , Ka-Di Zhu , Xian-Min Jin

Photon coincidence spectroscopy relies on detecting multiphoton emissions from the combined atom-cavity system in atomic beam cavity quantum electrodynamics experiments. These multiphoton emissions from the cavity are nearly simultaneous…

Quantum Physics · Physics 2009-09-25 L. Horvath , B. C. Sanders , B. F. Wielinga

Single-photon coherent optics represents a fundamental importance for the investigation of quantum light-matter interactions. While most work has considered the interaction in the steady-state regime, here we demonstrate that a…

Quantum Physics · Physics 2015-06-17 Shushan Petrosyan , Yuri Malakyan