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Matter-wave interferometry with molecules is intriguing both because it demonstrates a fundamental quantum phenomenon and because it opens avenues to quantum-enhanced measurements in physical chemistry. One great challenge in such…

The interaction of laser cooled and trapped atoms with resonant light is limited by the linewidth of the excited state of the atom. Another precise optical oscillator is an optical Fabry-P\'erot cavity. The combining of cold atoms with…

Optics · Physics 2017-09-19 Rahul Sawant , S. A. Rangwala

Cold atoms are promising platforms for metrology and quantum computation, yet their many-body dynamics remains largely unexplored. We here investigate Rabi oscillations from optically-thick cold clouds, driven by high-intensity coherent…

Atomic Physics · Physics 2026-01-15 Mateus A. F. Biscassi , Robin Kaiser , Mathilde Hugbart , Romain Bachelard

We give a simple introduction to the properties and use of ultrastable optical cavities, which are increasingly common in atomic and molecular physics laboratories for stabilizing the frequency of lasers to linewidths at the kHz level or…

Optics · Physics 2023-12-25 Jamie A. Boyd , Thierry Lahaye

We report the experimental observation of the photothermal effect. The measurements are performed by modulating the laser power absorbed by the mirrors of two high-finesse Fabry-Perot cavities. The results are very well described by a…

General Relativity and Quantum Cosmology · Physics 2014-10-28 M. De Rosa , L. Conti , M. Cerdonio , M. Pinard , F. Marin

Ultrasensitive optical detection of nanometer-scaled particles is highly desirable for applications in early-stage diagnosis of human diseases, environmental monitoring, and homeland security, but remains extremely difficult due to ultralow…

The use of tapered optical fibers, i.e., optical nanofibers, for spectroscopy and the detection of small numbers of particles, such as neutral atoms or molecules, has been gaining ground in recent years. In this review, we briefly introduce…

We consider using optomechanical accelerometers as resonant detectors for ultralight dark matter. As a concrete example, we describe a detector based on a silicon nitride membrane fixed to a beryllium mirror, forming an optical cavity. The…

Quantum Physics · Physics 2021-02-17 Jack Manley , Mitul Dey Chowdhury , Daniel Grin , Swati Singh , Dalziel J. Wilson

The strong coupling between an intersubband excitation in a quantum cascade structure and a photonic mode of a planar microcavity has been detected by angle-resolved photovoltaic measurements. A typical anticrossing behavior, with a…

We construct a model for the detection of one atom maser in the context of cavity Quantum Electrodynamics (QED) used to study coherence properties of superpositions of electromagnetic modes. Analytic expressions for the atomic ionization…

Quantum Physics · Physics 2009-11-13 R. Rossi , M. C. Nemes , J. G. Peixoto de Faria

Conventional approaches to probing ultrafast molecular dynamics rely on the use of synchronized laser pulses with a well-defined time delay. Typically, a pump pulse excites a wavepacket in the molecule. A subsequent probe pulse can then…

Mesoscale and Nanoscale Physics · Physics 2020-03-27 R. E. F. Silva , Javier del Pino , Francisco J. García-Vidal , Johannes Feist

Rapid progress in atomic, molecular, and optical (AMO) physics techniques enabled the creation of ultracold samples of molecular species and opened opportunities to explore chemistry in the ultralow temperature regime. In particular, both…

Chemical Physics · Physics 2020-05-04 Yu Liu , David D. Grimes , Ming-Guang Hu , Kang-Kuen Ni

Light-matter interaction inside an optical cavity and formation of polaritonic states have gained interest in the past decades as it has direct applications in many research fields. Different regimes of light-matter coupling have been…

Quantum Physics · Physics 2025-04-29 Anneswa Paul , Upendra Harbola

This work reports on the real-time detection of internal-state dynamics of cold Rb$^{87}$ atoms being excited to the $30D_{5/2}$ Rydberg state via two-photon excitation. A mesoscopic cloud of atoms is overlapped with the mode volume of a…

Atomic Physics · Physics 2022-10-13 Elmer Suarez , Philip Wolf , Patrizia Weiss , Sebastian Slama

Continuously operating atom-light interfaces represent a key prerequisite for steady-state quantum sensors and efficient quantum processors. Here, we demonstrate continuous accumulation of sub-Doppler-cooled atoms in a shallow intracavity…

Quantum Physics · Physics 2025-12-17 Edward Gheorghita , Sebastian Wald , Andrea Pupić , Onur Hosten

We study the non-linear dynamics of a multimode optomechanical system constituted of a driven high-finesse Fabry-P\'erot cavity containing two vibrating dielectric membranes. The analytical study allows to derive a full and consistent…

We realize a ring cavity strongly interacting with an atom array with configurable spatial structures. By preparing the atom array with a maximized structure factor, we observe the emergence of a cavity dark mode, where the standing-wave…

Quantum Physics · Physics 2024-10-29 Xiaotian Zhang , Zhanhai Yu , Hongrui Zhang , Di Xiang , Hao Zhang

Single-photon detection is an essential component in many experiments in quantum optics, but remains challenging in the microwave domain. We realize a quantum non-demolition detector for propagating microwave photons and characterize its…

The control of light transmission through a Fabry-Perot cavity containing atoms is theoretically investigated, when the cavity mode beam and an intersecting control beam are both close to specific atomic resonances. A four-level atomic…

Optics · Physics 2016-02-10 Rahul Sawant , S. A. Rangwala

We discuss a method to select the velocities of ultra-cold atoms with a modified Fabry-Perot type of device made of two effective barriers and a well created, respectively, by blue and red detuned lasers. The laser parameters may be used to…

Quantum Physics · Physics 2009-11-11 A. Ruschhaupt , F. Delgado , J. G. Muga