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We show that a collection of two-level atoms in an optical cavity beyond the rotating wave approximation and in the dispersive and strong-coupling regime constitutes a nonlinear medium and is capable of generating squeezed state of light.…

Quantum Physics · Physics 2014-11-07 Aranya B. Bhattacherjee

We propose a scheme generating robust squeezed light by using double cavity optomechanical system driven by a blue detuned laser in one cavity and by a red detuned laser in the other. This double cavity system is shown to mimic effectively…

Quantum Physics · Physics 2014-11-14 Kenan Qu , G. S. Agarwal

We introduce the concept of a squeezed laser, in which a squeezed cavity mode develops a macroscopic photonic occupation due to stimulated emission. Above the lasing threshold, the emitted light retains both the spectral purity inherent of…

Quantum Physics · Physics 2021-11-10 Carlos Sánchez Muñoz , Dieter Jaksch

We propose that the squeezed light accompanied by hyperradiance is induced by quantum interference in a linear system consisting of a high quality optical cavity and two coherently driven two-level qubits. When two qubits are placed at the…

Quantum Physics · Physics 2022-06-27 Jun Li , Chengjie Zhu , Yaping Yang

We discuss a simple yet surprisingly effective mechanism which allows the generation of squeezed output light from an optomechanical cavity. In contrast to the well known mechanism of "ponderomotive squeezing", our scheme generates squeezed…

Quantum Physics · Physics 2014-07-02 Andreas Kronwald , Florian Marquardt , Aashish A. Clerk

We study thermal emission of a cavity quantum electrodynamic system in the ultrastrong-coupling regime where the atom-cavity coupling rate becomes comparable the cavity resonance frequency. In this regime, the standard descriptions of…

Quantum Physics · Physics 2013-04-04 A. Ridolfo , M. Leib , S. Savasta , M. J. Hartmann

Light-matter interaction in the ultrastrong coupling regime can be used to generate exotic ground states with two-mode squeezing and may be of use for quantum enhanced sensing. Current demonstrations of ultrastrong coupling have been…

Quantum Physics · Physics 2024-11-08 Kahan Dare , Jannek J. Hansen , Iurie Coroli , Aisling Johnson , Markus Aspelmeyer , Uroš Delić

Squeezed light has evolved into a powerful tool for quantum technology, ranging from quantum enhanced sensing and quantum state engineering based on partial post-selection techniques. The pulsed generation of squeezed light is of particular…

Quantum Physics · Physics 2021-03-03 Chaohan Cui , Christos N. Gagatsos , Saikat Guha , Linran Fan

Non-classical states of light, such as number-squeezed light, with fluctuations below the classical shot noise level, have important uses in metrology, communication, quantum information processing, and quantum simulation. However,…

Quantum Physics · Physics 2023-06-06 Linh Nguyen , Jamison Sloan , Nicholas Rivera , Marin Soljacic

Squeezing light is a critical resource in both fundamental physics and precision measurement. The squeezing light has been generated through optical-parametric amplification inside an optical resonator. However, preparing the squeezing…

Quantum Physics · Physics 2022-01-03 Guoyao Li , Zhang-qi Yin

Squeezed light is a particularly useful quantum resource, which finds broad applications in quantum information processing, quantum metrology and sensing, and biological measurements. Here we show how to produce squeezed light exploiting…

Quantum Physics · Physics 2026-05-05 Xuan Zuo , Zi-Xu Lu , Zhi-Yuan Fan , Shi-Yao Zhu , Jie Li

We present a protocol to generate a large degree of squeezing of a boson (light) field mode strongly coupled to a two-level system in the dispersive regime. Our protocol exploits the strong dispersive coupling to introduce a time dependent…

Quantum Physics · Physics 2016-07-15 Chaitanya Joshi , Elinor K. Irish , Timothy P. Spiller

We analyze a degenerate three-level cascade laser coupled to an external coherent light via one of the coupler mirrors and vacuum reservoir in the other, employing the stochastic differential equation associated with the normal ordering. We…

Quantum Physics · Physics 2007-08-22 Sintayehu Tesfa

The use of a Kerr nonlinearity to generate squeezed light is a well-known way to surpass the quantum noise limit along a given field quadrature. Nevertheless, in the most common regime of weak nonlinearity, a single Kerr resonator is unable…

Silicon nitride microresonators driven by strong pump pulses can generate squeezed light in a dominant spectral-temporal mode, a central resource for continuous-variable quantum computation. In the high parametric gain regime, several…

Quantum Physics · Physics 2026-03-23 Emanuele Brusaschi , Marco Liscidini , Matteo Galli , Daniele Bajoni , Massimo Borghi

In this article, the possibility of generating non-classical light due to Planck-scale effects is considered. For this purpose, a widely studied model of deformation of the Heisenberg uncertainty relation is applied to single-mode and…

General Relativity and Quantum Cosmology · Physics 2024-11-07 Danilo Artigas , Killian Martineau , Jakub Mielczarek

To the best of our knowledge, we demonstrate for the first time the generation of photon number squeezing by spectral filtering for ultra-broadband light generated by microstructure fibers at 800 nm. A maximum squeezing of 4.6 dB is…

Quantum Physics · Physics 2009-11-11 K. Hirosawa , H. Furumochi , A. Tada , F. Kannari , M. Takeoka , M. Sasaki

We analyze how the radiation pressure interaction between a mechanical element and an intensely driven optical cavity mode can be exploited for generating squeezed light. We study in particular how the performance of the optomechanical…

Quantum Physics · Physics 2011-12-20 David Vitali , Paolo Tombesi

We study the squeezing of output quadratures of an electro-magnetic field escaping from a resonator coupled to a general quantum system with arbitrary interaction strengths. The generalized theoretical analysis of output squeezing proposed…

Quantum Physics · Physics 2016-12-08 Roberto Stassi , Salvatore Savasta , Luigi Garziano , Bernardo Spagnolo , Franco Nori

We examine the properties of an atom laser produced by outcoupling from a Bose-Einstein condensate with squeezed light. We introduce a method which allows us to model the full multimode dynamics of the squeezed optical field and the…

Quantum Physics · Physics 2015-06-26 S. A. Haine , J. J. Hope
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