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Optical spin pumping induced pseudo-magnetic field in two ...

Optical spin pumping induced pseudo-magnetic field in two dimensional heterostructures Chongyun Jiang 1†, Abdullah Rasmita, Weigao Xu1, Atac Imamoğlu2, Qihua Xiong1,3,4*, Wei-bo Gao1,4,5* 1Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore.

Optical Pumping - California Institute of Technology

California Institute of Technology Physics 77 Optical Pumping Eric D. Black October 7, 2014 Sometimes you want to magnetize a gas, to align all of the little mag-netic moments of the gas atoms in the same direction. You might plan to have somebody inhale the polarized gas, then look at …

Optical Pumping - phas.ubc.ca

California Institute of Technology Physics 77 Optical Pumping Eric D. Black September 27, 2004 Sometimes you want to magnetize a gas, to align all of the little mag-netic moments of the gas atoms in the same direction. You might plan to have somebody inhale the polarized gas, then look at …

On the limits of spin-exchange optical pumping of 3He

On the limits of spin-exchange optical pumping of 3He W. C. Chen,1,2,a) T. R. Gentile,2 Q. Ye,1,2 T. G. Walker,3 and E. Babcock4 1University of Maryland, College Park, Maryland 20742, USA 2National Institute of Standards and Technology (NIST), Gaithersburg, Maryland 20899, USA 3University of Wisconsin, Madison, Wisconsin 53706, USA 4Juelich Centre for Neutron Science at FRM 2 ...

High Sensitivity Optically Pumped Quantum Magnetometer

Quantum magnetometers based on optical pumping can achieve sensitivity as high as what SQUID-based devices can attain. In this paper, we discuss the principle of operation and the optimal design of an optically pumped quantum magnetometer.

Lasers for Optical Pumping & EIT - TOPTICA Photonics AG

Using of Optical pumping Optical pumping is widely used to prepare atoms, ions or molecules in a selected quantum mechanical state. This can be either a specific electronic state (like in a gas or solid state laser itself) or a magnetic state.

Gordon Gould – Session I | American Institute of Physics

Bromberg: This is April 8th and this is Mr. Gordon Gould I'm speaking with, and Ms. Marilyn Appel is also here. My name is Joan Bromberg. We're going to talk about some of the oral history phase. So we want to talk about how it is that you came to be interested first in the optically pumped maser that you were telling me about that you invented.

Hyatt M. Gibbs - Wikipedia

Hyatt M. Gibbs (6 August 1938 – 3 September 2012) was a notable physicist and professor at the University of Arizona College of Optical Sciences. Well known for research in nonlinear optics and quantum optics, he authored a book on optical bistability, and was a recipient of the Humboldt Research Award and Michelson Medal.

Optical pumping - Wikipedia

Optical pumping is a process in which light is used to raise (or "pump") electrons from a lower energy level in an atom or molecule to a higher one. It is commonly used in laser construction, to pump the active laser medium so as to achieve population inversion. The technique was developed by 1966 Nobel Prize winner Alfred Kastler in the early ...

Optical Pumping - Massachusetts Institute of Technology

A. Kastler discovered optical pumping in the 1950's and received the Nobel Prize for his work in 1966. In this experiment you will explore the phenomenon of op-tical pumping and its application to fundamental mea-surements in atomic and nuclear physics with equipment originally built for the Junior Lab shortly after the pub-

High Sensitivity Optically Pumped Quantum Magnetometer

Abstract. Quantum magnetometers based on optical pumping can achieve sensitivity as high as what SQUID-based devices can attain. In this paper, we discuss the principle of operation and the optimal design of an optically pumped quantum magnetometer.

W. Quantum Institute. University of California, Santa ...

strong optical pumping effects are larger and are easily attainable with dye laser optical pumps. A. Linear Optical Pumping Steady State Effects In the linear optical pumping limit, the popula- tion of the initial level of the optical transition [level 1 of Fig. l(a)] is not affected by the presence of optical pump

ExcitonicGap Formation in Pumped DiracMaterials - arxiv.org

optical pump-probe experiments have shown that such a transient population inversion could be achieved in graphene12–14 and 3DTIs17,18,31,32. While there are other observations reporting a single hot Fermi-Dirac distribu-tion in graphene tens of fs after the photoexcitation33, for the purposes of this paper, we assume that the pop-

Takahito Tanimura - IEEE Xplore Author Details

Since 2006, he has been with Fujitsu Laboratories, Ltd., Kawasaki, Japan, where he has been engaged in the research and development of digital coherent optical communication systems. From 2011 to 2012, he was with the Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute…

High-efficiency optical pumping of nuclear polarization in ...

Abstract. The dynamic polarization of nuclear spins by photoexcited electrons is studied in a high quality GaAs/AlGaAs quantum well. We find a surprisingly high efficiency of the

7KHPRGHORIXOWUDIDVWOLJKW LQGXFHGLQVXODWRU …

Institute of Physics Publishing Journal of Physics: Conference Series 21 (2005) 44–49 ... The optical pump-probe technique was applied to investigate the light-induced IM PT in the VO 2 thin films from femto- to nanosecond time scales. The wave lengths used for optical pumping and reflectivity measurements were 400 nm and 800 nm respectively ...

Room-Temperature Quantum Sensing in CMOS: On-Chip ...

the ms= ±1 spin states under optical pumping, we apply 10Gauss AC magnetic field around the resonance frequency (2.87GHz). Previously, this was achieved by external coils or wires driven by large AC current. Thanks to the close proximity between the chip and the NV centers, per Ampere's

ia Eye Institute | Bringing Your World into Focus

ia Eye Institute (VEI) is a comprehensive eye care organization providing a wide range of ophthalmology, optometry, and optical services in 8 locations across central ia. VEI offers exceptional ophthalmologic care—including cataract, cornea, glaucoma, retina, ocular plastics, pediatrics, and refractive surgery (LASIK) .

Optical pumping | physics | Britannica.com

Optical pumping, in physics, the use of light energy to raise the atoms of a system from one energy level to another. A system may consist of atoms having a random orientation of their individual magnetic fields. When optically pumped, the atoms will undergo a realignment of individual magnetic ...

Determining hyperfine transitions with electromagnetically ...

EIT and an optical pumping in an atomic vapour cell using an optical configuration. The probe laser fre-quency scans across Cs D1 lines. The frequencies of two coupling laser beams are locked on different Cs D2 lines. Whether the optical pumping effect or the EIT effect is observed in the probe spectrum depends on which frequency the pump ...

Sisyphus cooling of a bound atom - NIST

32 a reprint from Journal of the Optical Society America B Sisyphus cooling of a bound atom D. J. Wineland Time and Frequency Division, National Institute of Standards and Technology, Boulder, Colorado 80303 J. Dalibard and C. Cohen-Tannoudji Laboratoire de Spectroscopie Hertzienne de l'Ecole Normale Suphrieure, and ColGge de France, 24, Rue Lhomond,

Short Pump Office - ia Eye Institute

Our Short Pump Office is located at: 12018 West Broad Street, Suite 100 Henrico, VA 23233. Our Short Pump Office is located at: 12018 West Broad Street, Suite 100 Henrico, VA 23233. ... ia Eye Institute complies with applicable Federal civil rights laws and does not discriminate on the basis of race, color, national origin, age ...

Dynamically induced robust phonon transport and chiral ...

Dynamically induced robust phonon transport and chiral cooling in an optomechanical system Seunghwi Kim1, Xunnong Xu2, ... Urbana, Illinois 61801, USA 2 Joint Quantum Institute, University of Maryland, College Park, Maryland 20742, USA ... shown that asymmetric optical pumping of one pseudo-spin direction in WGRs explicitly

Optical Training

Get all the must-have materials and practice quizzes you need to successfully pass the American Board of Opticianry and National Contact Lens Examiners tests.

Anatoly Pazgalev | Ioffe Physical Technical Institute ...

Anatoly Pazgalev, Ioffe Physical Technical Institute, Department of Plasma Physics and Astrophysics, Department Member. ... Ioffe Physical Technical Institute, Department of Plasma Physics and Astrophysics, ... produced by optical/radio-frequency double resonance in which resonant linearly polarized laser light is used in the optical pumping ...

Optical Pumping - University of Michigan

Physics441/2 Optical Pumping 3 K =5/2 and 87Rb with K =3/2.The j =1/2 rubidium ground states for the two isotopes are split by the hyperfine interaction into doublets with F = K±1/2.The hyperfine interaction is the magnetic interaction of the nu-

Pulsed Parametric Resonance Magnetometer

We turn now to the experimental demonstration of optical pumping with pulsed-field parametric modulation. We per-form D1 optical pumping of a 87-Rb cell containing 200 Torr of N 2 quenching gas, with the pumping laser propagation di-rection perpendicular to a DC magnetic field B 0 0) = = = =)

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