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The need for molecular standoff detection has motivated the development of a remotely pumped, high gain air laser that produces lasing in the backward direction and can sample the air as the beam returns. High gain is achieved in the near…

Optics · Physics 2015-05-20 Arthur Dogariu , James Michael , Marlan O. Scully , Richard B. Miles

A superfluid atomic gas is prepared inside an optical resonator with an ultra-narrow band width on the order of the single photon recoil energy. When a monochromatic off-resonant laser beam irradiates the atoms, above a critical intensity…

Quantum Gases · Physics 2014-12-16 H. Keßler , J. Klinder , M. Wolke , A. Hemmerich

Electron capture processes are important in the search for new physics. In this context, a high capture rate is desired. We investigate the possibility of enhancing the electron capture rate by irradiating laser beam to ''atom''. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 Takaaki Nomura , Joe Sato , Takashi Shimomura

We propose a novel scheme for the population and depletion of nuclear isomers. The scheme combines the $\gamma$-photons with energies $\gtrsim 10$ keV emitted during the interaction of a contemporary high-intensity laser pulse with a plasma…

Nuclear Theory · Physics 2025-07-25 C. -J. Yang , K. M. Spohr , M. Cernaianu , D. Doria , P. Ghenuche , V. Horny

We propose a method for quantum state transfer from one atom laser beam to another via an intermediate optical field, using Raman incoupling and outcoupling techniques. Our proposal utilises existing experimental technologies to teleport…

Quantum Physics · Physics 2007-06-13 A. S. Bradley , M. K. Olsen , S. A. Haine , J. J. Hope

We photoionize laser-cooled atoms with a laser beam possessing spatially periodic intensity modulations to create ultracold neutral plasmas with controlled density perturbations. Laser-induced fluorescence imaging reveals that the density…

Plasma Physics · Physics 2015-05-19 J. Castro , P. McQuillen , T. C. Killian

Modern microscopy techniques are developing towards high-resolution imaging, and tremendous progress has been made in past decades; however, the imaging of individual biological macromolecules at atomic resolution using short-wavelength…

Optics · Physics 2022-01-12 Tatiana Latychevskaia

In this paper we present an atom laser scheme using a Raman transition for the output coupling of atoms. A beam of thermal atoms (bosons) in a metastable atomic state $|1 >$ are pumped into a multimode atomic cavity. This cavity is coupled…

atom-ph · Physics 2016-08-31 G. M. Moy , J. J. Hope , C. M. Savage

Many optical measurement techniques, such as light scattering from wavelength-scale particles or detecting motion from a surface with an optical lever, encode information in a complex radiation pattern. Extracting all available information…

Quantum Physics · Physics 2025-12-22 Youssef Tawfik , Shan Hao , Thomas P. Purdy

A method to create paired atom laser beams from a metastable helium atom laser via four-wave mixing is demonstrated. Radio frequency outcoupling is used to extract atoms from a Bose Einstein condensate near the center of the condensate and…

Quantum Physics · Physics 2009-11-13 R. G. Dall , L. J. Byron , A. G. Truscott , G. R. Dennis , M. T. Johnsson , J. J. Hope

Today's best atomic clocks are limited by frequency noise on the lasers used to interrogate the atoms. A proposed solution to this problem is to create a superradiant laser using an optical clock transition as its gain medium. This laser…

Atomic Physics · Physics 2016-03-21 Matthew A. Norcia , Matthew N. Winchester , Julia R. K. Cline , James K. Thompson

We demonstrate the controlled creation of a $\mathrm{^{174}Yb^{2+}}$ ion by photo-ionizing $\mathrm{^{174}Yb^+}$ with weak continuous-wave lasers at ultraviolet wavelengths. The photo-ionization is performed by resonantly exciting…

Quantum Physics · Physics 2015-12-08 Simon Heugel , Martin Fischer , Vladimir Elman , Robert Maiwald , Markus Sondermann , Gerd Leuchs

A new kind of mechanism of lasing is investigated experimentally. It is quite different from the traditional laser with cavity and the random laser with random scattering. In this mechanism, the intensity-dependent refractive index effect…

Optics · Physics 2013-06-28 Jinwei Shi , Shujing Chen , Wenjun Fan , Xiangyu Kong , Dahe Liu , Lily Zu

Highly nonlinear optical processes, such as multiphoton photoemission, require high intensities, typically achieved with ultrashort laser pulses and, hence, were first observed with the advent of picosecond laser technology. An alternative…

We propose a system of highly efficient photoemitters comprising metal-dielectric (plasmonic-excitonic) multilayered structures. In the proposed structure, the absorption in the excitonic layer is greatly enhanced through quantum…

Mesoscale and Nanoscale Physics · Physics 2017-08-17 Takuya Matsuda , Hajime Ishihara

We present a simple diode laser-based photoionization scheme for generating electrons and ions with well-defined spatial and energetic (<2 eV) structures. This scheme can easily be implemented into ion or electron imaging spectrometers for…

Instrumentation and Detectors · Physics 2017-07-24 A. Wituschek , J. von Vangerow , J. Grzesiak , F. Stienkemeier , M. Mudrich

High-resolution photoelectron momentum distributions of Xe atoms ionized by 800-nm linearly polarized laser fields have been traced at intensities from 1.1*1013 to 3.5*1013W/cm2 using velocity-map imaging techniques. At certain laser…

Atomic Physics · Physics 2015-12-09 Min Li , Peng Zhang , Siqiang Luo , Yueming Zhou , Qingbin Zhang , Pengfei Lan , Peixiang Lu

In this work we develop an experimental procedure to interrogate the single- and multiphoton scattering matrices of an unknown quantum system interacting with propagating photons. Our proposal requires coherent state laser or microwave…

Quantum Physics · Physics 2017-10-17 Tomás Ramos , Juan José García-Ripoll

We propose a new method to effect heat removal from an object by using a laser beam. The proposed method is based on inelastic scattering of a laser beam from the object and in particular by making the anti-Stokes emission more efficient…

Optics · Physics 2008-11-13 Dimitris Dimitropoulos , Bahram Jalali

The behavior of an atomic double lambda system in the presence of a strong off-resonant classical field and a few-photon resonant quantum field is examined. It is shown that the system possesses properties that allow a single-photon state…

Quantum Physics · Physics 2009-11-10 Mattias Johnsson , Michael Fleischhauer