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Quantum gases of ultracold polar molecules have novel properties because of the strong dipolar forces between molecules. Current experiments shield the molecules from destructive collisions by engineering long-range repulsive interactions…

Quantum Gases · Physics 2025-09-26 Bijit Mukherjee , Luis Santos , Jeremy M. Hutson

Microwave background polarization, though presently undetected, is a fundamental prediction of any viable cosmological model. These lectures review the theoretical description of polarization, its physical interpretation, and potentially…

Astrophysics · Physics 2011-04-15 Arthur Kosowsky

The immunity of microwave-induced magneto-resistance oscillations and corresponding zero resistance regions to the direction of (circular) polarization of microwave is studied in this paper. We propose that a spontaneous circular motion of…

Mesoscale and Nanoscale Physics · Physics 2012-06-01 Shenshen Wang , Tai-Kai Ng

The gas breakdown produced by high-power pulsed linearly and circularly polarized microwave fields which are much weaker than the atomic fields is investigated in the non-relativistic limit. Obtained the electron distribution function…

Plasma Physics · Physics 2009-11-10 B. Shokri , M. Ghorbanalilu

A general scheme for rotational cooling of diatomic heteronuclear molecules is proposed. It uses a superconducting microwave cavity to enhance the spontaneous decay via Purcell effect. Rotational cooling can be induced by sequentially…

Quantum Physics · Physics 2009-11-10 C. H. Raymond Ooi

Polarization switches are of great technological interest because of their many applications in long distance electromagnetic communication (e.g., polarization division multiplexing). Binary bits can be encoded in the two orthogonal…

Mesoscale and Nanoscale Physics · Physics 2025-08-26 Raisa Fabiha , Erdem Topsakal , Supriyo Bandyopadhyay

We propose and analyze a technique that allows to suppress inelastic collisions and simultaneously enhance elastic interactions between cold polar molecules. The main idea is to cancel the leading dipole-dipole interaction with a suitable…

Statistical Mechanics · Physics 2008-09-29 A. V. Gorshkov , P. Rabl , G. Pupillo , A. Micheli , P. Zoller , M. D. Lukin , H. P. Büchler

We demonstrate microwave manipulation of the spin states of electrically injected spin-polarized electrons in silicon. Although the silicon channel is bounded by ferromagnetic metal films, we show that moderate microwave power can be…

Mesoscale and Nanoscale Physics · Physics 2013-12-16 C. C. Lo , J. Li , I. Appelbaum , J. J. L. Morton

We propose a polarimetric microwave imaging technique that exploits recent advances in computational imaging. We utilize a frequency-diverse cavity-backed metasurface, allowing us to demonstrate high-resolution polarimetric imaging using a…

This paper proposes a flexible broadband linear polarization converter based on metasurface operating at microwave band. In order to achieve bandwidth extension property, long and short metallic arc wires, as well as the metallic disks…

Applied Physics · Physics 2019-09-04 Qi Wang , Xiangkun Kong , Xiangxi Yan , Yan Xu , Shaobin Liu , Jinjun Mo , Xiaochun Liu

We here report on the implementation of a microwave lens for neutral polar molecules suitable to focus molecules both in low-field-seeking and in high-field-seeking states. By using the TE_11m modes of a 12 cm long cylindrically symmetric…

Chemical Physics · Physics 2010-06-30 Hitoshi Odashima , Simon Merz , Katsunari Enomoto , Melanie Schnell , Gerard Meijer

In this work the authors implemented a resonator based upon microstrip cavities that permits the generation of microwaves with arbitrary polarization. Design, simulation, and implementation of the resonators were performed using standard…

Other Condensed Matter · Physics 2010-12-20 Thiago P. Mayer Alegre , Antonio C. Torrezan de Souza , Gilberto Medeiros-Ribeiro

We propose a new type of a chiral metamaterial based on an ensemble of artificial molecules formed by three identical quantum-dots in a triangular arrangement. A static magnetic field oriented perpendicular to the plane breaks mirror…

Mesoscale and Nanoscale Physics · Physics 2014-12-04 Panagiotis Kotetes , Pei-Qing Jin , Michael Marthaler , Gerd Schön

We describe the near-field microwave microscopy of microwave devices on a length scale much smaller than the wavelength used for imaging. Our microscope can be operated in two possible configurations, allowing a quantitative study of either…

In a microwave background polarization map that covers only part of the sky, it is impossible to separate the E and B components perfectly. This difficulty in general makes it more difficult to detect the B component in a data set. Any…

Astrophysics · Physics 2015-06-24 Emory F. Bunn

We have experimentally demonstrated polarizers and polarizing beam splitters based on microwave-scale two-dimensional photonic crystals. Using polarized microwaves within certain frequency bands, we have observed a squared-sinusoid (Malus)…

Condensed Matter · Physics 2009-11-10 D. R. Solli , C. F. McCormick , R. Y. Chiao , J. M. Hickmann

This study proposes an ultrathin chiral metamaterial slab stacked with twisted complementary split-ring resonators (CSRRs) for highly efficient broadband polarization transformation. The polarization of linearly polarized electromagnetic…

Optics · Physics 2011-09-20 Wei Zeyong , Cao Yang , Fan Yuancheng , Yu Xing , Li Hongqiang

The ability to create time-dependent magnetic fields of controlled polarization is essential for many experiments with magnetic resonance. We describe a microstrip circuit that allows us to generate strong magnetic field at microwave…

Atomic Physics · Physics 2015-05-28 Mariusz Mrozek , Janusz Mlynarczyk , Daniel S. Rudnicki , Wojciech Gawlik

As a basic optical element, circular polarizer plays significant roles in signal transmission, measurements and life science microscopy. Three-dimensional (3D) chiral structures have been thought to be necessary to realize circular…

Near-zero-refractive index materials display unique optical properties such as perfect transmission through distorted waveguides, cloaking, and inhibited diffraction. Compared to conventional media, they can fundamentally behave differently…