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Related papers: Squeezed light in a semiconductor microcavity

200 papers

We report the experimental realization of squeezed quantum states of light, tailored for new applications in quantum communication and metrology. Squeezed states in a broad Fourier frequency band down to 1 Hz has been observed for the first…

Quantum Physics · Physics 2007-12-04 Henning Vahlbruch , Simon Chelkowski , Karsten Danzmann , Roman Schnabel

We theoretically demonstrate the enhanced and dephasing immune squeezing in the resonance fluorescence of a single quantum dot (QD) confined to a pillar-microcavity and driven by a continuous wave laser. We employ a formalism based on…

Quantum Physics · Physics 2020-10-28 Parvendra Kumar , Agnikumar G. Vedeshwar

Quantum light sources such as squeezed light are essential for quantum information science and technologies, but the scalable production of multiple beams of them remains a challenge. Here,we experimentally demonstrate a novel approach to…

Quantum Physics · Physics 2026-05-28 Lin Wang , Xichang Zhang , Konstantin Manannikov , Nir Davidson , Ying Hu , Dongdong Hao , Yanhong Xiao

The shot-noise limited peak sensitivity of cavity-enhanced interferometric measurement devices, such as gravitational-wave detectors, can be improved by increasing the cavity finesse, even when comparing fixed intra-cavity light powers. For…

Quantum Physics · Physics 2017-04-12 Mikhail Korobko , Lisa Kleybolte , Stefan Ast , Haixing Miao , Yanbei Chen , Roman Schnabel

Using a nondegenerate four-wave mixing (FWM) process based on a double-{\Lambda} scheme in hot cesium vapor, we demonstrate a compact diode-laser-pumped quantum light source for the generation of quantum correlated twin beams with a maximum…

Quantum Physics · Physics 2018-03-09 Rong Ma , Wei Liu , Zhongzhong Qin , Xiaolong Su , Xiaojun Jia , Junxiang Zhang , Jiangrui Gao

Cavity-QED is a promising avenue for the deterministic generation of entangled and spin-squeezed states for quantum metrology. One archetypal scheme generates squeezing via collective one-axis twisting interactions. However, we show that in…

Quantum Physics · Physics 2018-08-22 R. J. Lewis-Swan , M. A. Norcia , J. R. K. Cline , J. K. Thompson , A. M. Rey

Multi-exciton correlations shape the photo-induced response of nanostructured materials, particularly when interactions are enhanced by light confinement. Here multidimensional coherent spectroscopy is used to quantify biexciton and…

Mesoscale and Nanoscale Physics · Physics 2025-07-11 Giuseppe Fumero , Jagannath Paul , Jared K. Wahlstrand , Alan D. Bristow

Photons with a helical phase front (twisted photons) can carry a discrete, in principle, unbounded amount of orbital angular momentum (OAM). Twisted single-photons have been demonstrated as a high-dimensional quantum system with information…

Optics · Physics 2020-03-26 Bo Chen , Yuming Wei , Tianming Zhao , Shunfa Liu , Beimeng Yao , Ying Yu , Jin Liu , Xue-hua Wang

We investigate exciton emission of quantum well embedded in a semiconductor microcavity. The analytical expressions of the light intensity for the cases of excitonic number state and coherent state are presented by using secular…

Quantum Physics · Physics 2009-11-10 Guang-Ri Jin , Wu-Ming Liu

We investigate a single atom cavity-QED system directly driven by a broadband squeezed light. We demonstrate how the squeezed radiation can be used to sense the presence of a single atom in a cavity. This happens by transferring one of the…

Quantum Physics · Physics 2019-06-26 D. Q. Bao , C. J. Zhu , Y. P. Yang , G. S. Agarwal

Light-induced coherent phonons provide a powerful platform for ultrafast control of material properties. However, the microscopic theory and quantum geometric nature of this phenomenon remain underexplored. Here, we develop a fully…

Mesoscale and Nanoscale Physics · Physics 2025-09-03 Jiaming Hu , Zhichao Guo , Wenbin Li , Hua Wang , Kai Chang

Squeezed light offers genuine quantum advantage in enhanced sensing and quantum computation; yet the level of squeezing or quantum noise reduction generated from nanophotonic chips has been limited. In addition to strong quantum noise…

We present the generation and detection of squeezed light in the 2 $\mathrm{\mu m}$ wavelength region. This experiment is a crucial step in realising the quantum noise reduction techniques that will be required for future generations of…

Detection mechanisms for low mass bosonic dark matter candidates, such the axion or hidden photon, leverage potential interactions with electromagnetic fields, whereby the dark matter (of unknown mass) on rare occasion converts into a…

High Energy Physics - Experiment · Physics 2021-04-14 Akash V. Dixit , Srivatsan Chakram , Kevin He , Ankur Agrawal , Ravi K. Naik , David I. Schuster , Aaron Chou

We study theoretically the photon statistics of the field emitted from two optically coupled semiconductor microcavities each containing a quantum well. The emission is determined by the interplay between exciton-photon coupling in each…

Mesoscale and Nanoscale Physics · Physics 2018-08-15 Shahnoor Ali , Aranya B Bhattacherjee

The non-resonant interaction between the high-density excitons in a quantum well and a single mode cavity field is investigated. An analytical expression for the physical spectrum of the excitons is obtained. The spectral properties of the…

Quantum Physics · Physics 2009-11-07 Yu-xi Liu , N. Imoto , S. K. Ozdemir , Guang-ri Jin , C. P. Sun

Scalable generation of nonclassical light sources on an integrated platform is a key requirement for photonic quantum information processing. In particular, realizing multiple indistinguishable squeezed light sources on a single chip is an…

We have theoretically investigated a generation of entangled photons from biexcitons in a semiconductor film with thickness in nano-to-bulk crossover regime. In contrast to the cases of quantum dots and bulk materials, we can highly control…

Other Condensed Matter · Physics 2010-09-20 Motoaki Bamba , Hajime Ishihara

High quality squeezed light is an important resource for a variety of applications. Multiple methods for generating squeezed light are known, having been demonstrated theoretically and experimentally. However, the effectiveness of these…

Quantum Physics · Physics 2023-11-16 Steve M. Young , Daniel Soh

We study the role of electron-phonon scattering for a pulse-triggered quantum dot single-photon source which utilizes a modified version of stimulated Raman adiabatic passage and cavity-coupling. This on-demand source is coherently pumped…

Quantum Physics · Physics 2017-08-16 Chris Gustin , Stephen Hughes