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High-resolution imaging of ultracold atoms typically requires custom high numerical aperture (NA) optics, as is the case for quantum gas microscopy. These high NA objectives involve many optical elements each of which contributes to loss…

Quantum Gases · Physics 2021-11-01 Emine Altuntas , Ian B. Spielman

A scheme is developed for creating pseudopotentials for use in correlated-electron calculations. Pseudopotentials for the light elements H, Li, Be, B, C, N, O, and F, are reported, based on data from high-level quantum chemical…

Materials Science · Physics 2014-05-05 J. R. Trail , R. J. Needs

Quantum Hypothesis Testing has shown the advantages that quantum resources can offer in the discrimination of competing hypothesis. Here, we apply this framework to optomechanical systems and fundamental physics questions. In particular, we…

Quantum Physics · Physics 2021-04-13 Marta Maria Marchese , Alessio Belenchia , Stefano Pirandola , Mauro Paternostro

The applicability of the so-called isotropic and anisotropic complete photonic-band-gap (CPBG) models [S. John and J. Wang, Phys. Rev. Lett. {\bf 64}, 2418 (1990)] to capture essential features of the spontaneous emission (SE) of a…

Quantum Physics · Physics 2007-05-23 Alexander Moroz

Optomechanical cavities in the well-resolved-sideband regime are ideally suited for the study of a myriad of quantum phenomena with mechanical systems, including backaction-evading measurements, mechanical squeezing, and generation of…

Quantum Physics · Physics 2020-05-06 Liu Qiu , Itay Shomroni , Paul Seidler , Tobias J. Kippenberg

We design high quality factor photonic crystal nanobeam cavities formed by two mechanically isolated cantilevers. These "split-beam" cavities have a physical gap at the center, allowing mechanical excitations of one or both of the cavity…

Optics · Physics 2015-06-12 Aaron C. Hryciw , Paul E. Barclay

Polarization holonomy is analytically determined for a class of closed, spherical trajectories of light transiting a black hole in the Kerr metric. The leading order geometric optics approximation admits a closed-form expression of such…

General Relativity and Quantum Cosmology · Physics 2024-11-12 Mark T. Lusk

The evanescent field outside an optical nanofiber (ONF) can create optical traps for neutral atoms. We present a non-destructive method to characterize such trapping potentials. An off-resonance linearly polarized probe beam that propagates…

Quantum Physics · Physics 2017-06-09 Pablo Solano , Fredrik K. Fatemi , Luis A. Orozco , S. L. Rolston

Nano-size objects like metal clusters present an ideal system for the study of quantum phenomena and for constructing practical quantum devices. Integrating these small objects in a macroscopic circuit is, however, a difficult task. So far…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Roman Krahne , Tali Dadosh , Amir Yacoby , Hadas Shtrikman , Joseph Sperling , Israel Bar-Joseph

The development of new electrochromic materials and devices, like smart windows, has an enormous impact on the energy efficiency of modern society. One of the crucial materials in this technology is nickel-oxide. Ni-deficient NiO shows…

Materials Science · Physics 2021-08-20 Igor A. Pašti , Ana S. Dobrota , Dmitri Migas , Börje Johansson , Natalia V. Skorodumova

Usually, the hyperparallel quantum computation can speed up quantum computing, reduce the quantum resource consumed largely, resist to noise, and simplify the storage of quantum information. Here, we present the first scheme for the…

Quantum Physics · Physics 2018-09-05 Guan-Yu Wang , Tao Li , Qing Ai , Fu-Guo Deng

The development of optical nanofibers (ONF) and the study and control of their optical properties when coupling atoms to their electromagnetic modes has opened new possibilities for their use in quantum optics and quantum information…

Electron-hole correlation in quantum-dot quantum wells (QDQW's) is investigated by incorporating Coulomb and exchange interactions into an empirical tight-binding model. Sufficient electron and hole single-particle states close to the band…

Materials Science · Physics 2009-11-10 Rui-Hua Xie , Garnett W. Bryant , Seungwon Lee , W. Jaskolski

Recently, there is growing interest in integrating alkali vapors with nanoscale photonic structures, such as nano-waveguides, resonators and nanoantennas. Nanoscale confinement of electromagnetic fields may introduce a longitudinal electric…

Optics · Physics 2021-02-10 Roy Zektzer , Eliran Talker , Yefim Barash , Noa Mazurski , Uriel Levy

In this paper we propose a scheme to model the phonon analog of optical elements, including a polarizing beam splitter, a half- wave plate, and a quarter- wave plate, as well as an implementation of CNOT and Pauli gates, by using two atoms…

Quantum Physics · Physics 2017-08-30 Naieme Mohseni , Marjan Fani , Jonathan P. Dowling , Shahpoor Saeidian

We present a physical scheme for implementing quantum phase estimation via weakly coupled double quantum-dot molecules embedded in a microcavity. During the same process of implementation, we can also realize the calibration of a timepiece…

Quantum Physics · Physics 2015-05-13 Ping Dong , Zhuo-Liang Cao

The effect of quantum confinement in the optical absorption spectra of atomically thin {\alpha}-In2Se3 crystals is studied, observing a huge thickness-dependent shift in the optical band gap of exfoliated {\alpha}-In2Se3 flakes. The band…

Mesoscale and Nanoscale Physics · Physics 2016-10-19 Jorge Quereda , Robert Biele , Gabino Rubio-Bollinger , Nicolás Agraït , Roberto D'Agosta , Andres Castellanos-Gomez

In a recent letter [Phys. Rev. Lett. 104, 167201 (2010)] we proposed a new confining method for ultracold atoms on optical lattices, based on off-diagonal confinement (ODC). This method was shown to have distinct advantages over the…

Quantum Gases · Physics 2011-01-28 V. G. Rousseau , K. Hettiarachchilage , M. Jarrell , J. Moreno , D. E. Sheehy

Within the Color Glass formalism, we construct the wavefunction of a high energy onium in the BFKL and large-N_c approximations, and demonstrate the equivalence with the corresponding result in the Color Dipole picture. We propose a simple…

High Energy Physics - Phenomenology · Physics 2011-01-25 E. Iancu , A. H. Mueller

We present a method to enact a deterministic, measurement-free, optically generated controlled-phase gate on two qubits defined by single electrons trapped in large-area quantum dots in a planar microcavity. This method is robust to optical…

Quantum Physics · Physics 2009-10-28 T. D. Ladd , Y. Yamamoto