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Related papers: Squeezed light in a semiconductor microcavity

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One of the most fundamental quantum states of light is squeezed vacuum, in which noise in one of the quadratures is less than the standard quantum noise limit. Significant progress has been made in the generation of optical squeezed vacuum…

Quantum Physics · Physics 2022-10-05 Rajveer Nehra , Ryoto Sekine , Luis Ledezma , Qiushi Guo , Robert M. Gray , Arkadev Roy , Alireza Marandi

A quantum behavior of the light emitted by exciton polaritons excited in a pillar semiconductor microcavity with embedded quantum well is investigated. Considering the bare excitons and photon modes as coupled quantum oscillators allows for…

Mesoscale and Nanoscale Physics · Physics 2021-01-20 T. A. Khudaiberganov , S. M. Arakelian

Raman scattering of photons into phonons gives rise to entangled photon pairs when the phonon emitted in a Stokes process is coherently absorbed in antiStokes scattering, forming the photonic analog of Cooper pairs. We present a…

The generation of nonclassical light states bears a paramount importance in quantum optics and is largely relying on the interaction between intense laser pulses and nonlinear media. Recently, electron beams, such as those used in ultrafast…

Optics · Physics 2025-09-23 Valerio Di Giulio , F. Javier García de Abajo

Generation of quantum light source is a promising technique to overcome the standard quantum limit in precision measurement. Here, we demonstrate an experimental generation of quadrature squeezing resonating on the cesium D2 line down to 10…

Quantum Physics · Physics 2022-11-10 Guanhua Zuo , Yuchi Zhang , Gang Li , Pengfei Zhang , Pengfei Yang , Shiyao Zhu , Yanqiang Guo , Tiancai Zhang

The largely technical noise of a free running laser is the fundamental limit for preparation of a bright squeezed light, especially within MHz band. We construct a universal and complete theoretical model for nonclassical stabilization, and…

Quantum Physics · Physics 2025-09-23 Ruixin Li , Bingnan An , Nanjing Jiao , Junyang Liu , Lirong Chen , Yajun Wang , Yaohui Zheng

Since its inception, research of cavity quantum electrodynamics (CQED) has extended our understanding of light-matter interactions and our ability to utilize them. Thus far, all the work in this field has been focused on light interacting…

The interaction strength of an oscillator to a qubit grows with the oscillator's vacuum field fluctuations. The well known degenerate parametric oscillator has revived interest in the regime of strongly detuned squeezing, where its…

In the context of quantum integrated photonics, this work investigates the quantum properties of light generated by silicon and silicon nitride micro-resonators pumped in pulsed regime. The developed theoretical model, performed in terms of…

It has been predicted and experimentally demonstrated that by injecting squeezed light into an optomechanical device it is possible to enhance the precision of a position measurement. Here, we present a fundamentally different approach…

Quantum Physics · Physics 2015-12-16 V. Peano , H. G. L. Schwefel , Ch. Marquardt , F. Marquardt

We consider a degenerate parametric oscillator whose cavity contains a two-level atom. Applying the Heisenberg and quantum Langevin equations, we calculate in the bad-cavity limit the mean photon number, the quadrature variance, and the…

Quantum Physics · Physics 2007-05-23 Eyob Alebachew , K. Fesseha

The quest to realise strongly interacting photons remains an outstanding challenge both for fundamental science and for applications. Here, we explore mediated photon-photon interactions in a highly imbalanced two-component mixture of…

Mesoscale and Nanoscale Physics · Physics 2021-01-13 A. Camacho-Guardian , M. Bastarrachea-Magnani , G. M. Bruun

In distributed quantum information processing, flying photons entangle matter qubits confined in cavities. However, when a matter qubit is homogeneously broadened, the strong-coupling regime of cavity QED is typically required, which is…

Quantum Physics · Physics 2015-06-04 Kazuki Koshino , Yuichiro Matsuzaki

We study experimentally and theoretically the exciton-phonon interaction in MoSe2 monolayers encapsulated in hexagonal BN, which has an important impact on both optical absorption and emission processes. The exciton transition linewidth…

The effect of phonons on a nonlinear optical response of a quantum dot-cavity system in quantum strong coupling regime can be accounted for by a fully analytical treatment, provided that the exciton-phonon dynamics is much faster than the…

Mesoscale and Nanoscale Physics · Physics 2023-06-30 L. S. Sirkina , E. A. Muljarov

Spins in semiconductor quantum dots constitute a promising platform for scalable quantum information processing. Coupling them strongly to the photonic modes of superconducting microwave resonators would enable fast non-demolition readout…

We propose a scheme for long-distance distribution of quantum entanglement in which the entanglement between qubits at intermediate stations of the channel is established by using bright light pulses in squeezed states coupled to the qubits…

Quantum Physics · Physics 2009-11-13 Fang-Yu Hong , Shi-Jie Xiong

The quantum noise of the light field is a fundamental noise source in interferometric gravitational wave detectors. Injected squeezed light is capable of reducing the quantum noise contribution to the detector noise floor to values that…

General Relativity and Quantum Cosmology · Physics 2009-11-10 R. Schnabel , J. Harms , K. A. Strain , K. Danzmann

Establishing a coherent interaction between a material resonance and an optical cavity is a necessary first step for the development of semiconductor quantum optics. Here we demonstrate a coherent interaction between the neutral exciton in…

Optical cavities are of central importance in numerous areas of physics, including precision measurement, cavity optomechanics and cavity quantum electrodynamics. The miniaturisation and scaling to large numbers of sites is of interest for…

Quantum Physics · Physics 2014-10-23 C. Derntl , M. Schneider , J. Schalko , A. Bittner , J. Schmiedmayer , U. Schmid , M. Trupke