Results 31 to 40 of about 112,017 (279)

Atom laser coherence and its control via feedback [PDF]

, 2002
We present a quantum-mechanical treatment of the coherence properties of a single-mode atom laser. Specifically, we focus on the quantum phase noise of the atomic field as expressed by the first-order coherence function, for which we derive analytical ...
A. Ashkin, A. Imamoglu, A. L. Schawlow, A. M. Guzman, A. S. Holevo, B. P. Anderson, C. C. Bradley, C. S. Adams, C. W. Gardiner, D. A. R. Dalvit, D. F. Walls, D. J. Daniel, E. M. Wright, E. V. Goldstein, E. W. Hagley, G. J. Milburn, G. M. Moy, G. M. Moy, H. M. Wiseman, H. M. Wiseman, H. M. Wiseman, H. M. Wiseman, H. M. Wiseman, H. M. Wiseman, H. M. Wiseman, H. M. Wiseman, H. M. Wiseman, H. M. Wiseman, H. M. Wiseman, I. Bloch, I. Bloch, J. E. Lye, J. F. Corney, J. J. Hope, J. J. Hope, J. L. Martin, K. B. Davis, K. Helmerson, K. Mølmer, K. Watanabe, L. K. Thomsen, M. Edwards, M. H. Anderson, M. Holland, M. Köhl, M. R. Andrews, M. W. Jack, M.-O. Mewes, N. Robins, O. Zobay, R. J. C. Spreeuw, R. J. Dodd, R. J. Glauber, S. Dettmer, S. M. Barnett, S. M. Tan, W. Ketterle, Y. Le Coq   +57 more
core   +2 more sources

Study on Linewidth and Phase Noise Characteristics of a Narrow Linewidth External Cavity Diode Laser

Sensors
In the field of inter-satellite laser communication, achieving high-quality communication and compensating for the Doppler frequency shift caused by relative motion necessitate lasers with narrow linewidths, low phase noise, and the ability to achieve ...
Sheng Hu, Puchu Lv, Chenggang Guan, Shasha Li, Haixin Qin, Xiaoqiang Li, Xuan Chen, Linfeng Zhan, Weiqi Wang, Yifan Xiao, Minghu Wu   +10 more
doaj   +1 more source

Linewidth of single photon transitions in Mn$_{12}$-acetate

, 2001
We use time-domain terahertz spectroscopy to measure the position and linewidth of single photon transitions in Mn$_{12}$-acetate. This linewidth is compared to the linewidth measured in tunneling experiments.
A. Fort, A. Mukhin, A.A. Mukhin, A.A. Mukhin, Anne Laure Barra, Beth Parks, David N. Hendrickson, Evan Rumberger, Fernando Luis, Françoise Hartmann-Boutron, George Christou, H. Ibach, I. Mirebeau, Jonathan R. Friedman, Jonathan R. Friedman, Joseph Loomis, L. Thomas, M.R. Pederson, Michael N. Leuenberger, N.V. Prokofev, S. Hill, S.M.J. Aubin, Sheila M.J. Aubin, T. Lis, W. Wernsdorfer, Yicheng Zhong, Yicheng Zhong   +26 more
core   +1 more source

Response of a Bell–Bloom Magnetometer to a Magnetic Field of Arbitrary Direction

Sensors, 2018
The Bell–Bloom magnetometer in response to a magnetic field of arbitrary direction is observed theoretically and experimentally. A theoretical model is built from a macroscopic view to simulate the magnetometer frequency response to an external ...
Zhichao Ding, Jie Yuan, Xingwu Long
doaj   +1 more source

Extremely low inhomogeneous broadening of exciton lines in shallow (In,Ga)As/GaAs quantum wells

, 2014
We study radiative linewidth of exciton resonance in shallow In$_x$Ga$_{1-x}$As/GaAs single quantum wells as a function of indium concentration in the range $x=0.02...0.10$ and well thickness in the range $L_Z=1...30$ nm using the method of Brewster ...
Dolgikh, Yu. K., Efimov, Yu. P., Eliseev, S. A., Ovsyankin, V. V., Petrov, V. V., Poltavtsev, S. V.   +5 more
core   +1 more source

High-Power Narrow-Linewidth Q-Switched TEM₀₀ Mode 355-nm Laser

IEEE Photonics Journal, 2018
We report on a high pulse energy, narrow-linewidth, Q-switched ultraviolet (UV) laser at 355 nm from the third harmonic generation (THG) of a 1064-nm Nd:YAG master oscillator power amplifier (MOPA) system.
Yujiao Li, Wei Tu, Baoshang Wang, Nan Zong, Feng Yang, Fengfeng Zhang, Shenjin Zhang, Zhimin Wang, Qinjun Peng, Dafu Cui, Zuyan Xu   +10 more
doaj   +1 more source

Sub-kHz lasing of a CaF_2 Whispering Gallery Mode Resonator Stabilized Fiber Ring Laser

, 2012
We utilize a high quality calcium fluoride whispering-gallery-mode resonator to stabilize a simple erbium doped fiber ring laser with an emission frequency of 196 THz (wavelenght 1530 nm) to a linewidth below 650 Hz.
Alnis, B. Sprenger, Baaske, Barnes, Baumgartel, Chijioke, Conti, Dale, F. Sedlmeir, Fescenko, Grudinin, H. G. L. Schwefel, Kieu, Kieu, L. J. Wang, Lea, Lee, Li, Li, Liang, M. C. Collodo, Matsko, Numata, Premoli, Rubiola, S. Svitlov, Savchenkov, Sprenger, Sprenger, Vahala, Wang   +30 more
core   +1 more source

A Cost-Effective Distributed Acoustic Sensor Using a Commercial Off-the-Shelf DFB Laser and Direct Detection Phase-OTDR

IEEE Photonics Journal, 2016
We propose and experimentally demonstrate the use of cyclic pulse coding for enhanced performance in distributed acoustic sensing based on a phase-sensitive optical time-domain reflectometry ( $\phi$-OTDR) using direct detection.
Yonas Muanenda, Claudio J. Oton, Stefano Faralli, Fabrizio Di Pasquale   +3 more
doaj   +1 more source

Oscillatory Size-Dependence of the Surface Plasmon Linewidth in Metallic Nanoparticles

, 2002
We study the linewidth of the surface plasmon resonance in the optical absorption spectrum of metallic nanoparticles, when the decay into electron-hole pairs is the dominant channel. Within a semiclassical approach, we find that the electron-hole density-
A. Kawabata, A. Rubio, B.N.J. Persson, C. Bréchignac, C. Ellert, C. Yannouleas, C. Yannouleas, C. Yannouleas, C. Yannouleas, Dietmar Weinmann, F. Stietz, G. Bertsch, G. Mie, H. Hövel, J. Babst, J. Lermé, J. Lermé, J.F. Dobson, K.P. Charlé, M. Barma, M. Madjet, M.V. Berry, Rafael A. Molina, Rodolfo A. Jalabert, S. Mochizuki, T. Klar, U. Kreibig, W. Ekardt, W. Ekardt, W. Kleinig, W. Kohn   +30 more
core   +1 more source

Radiation linewidth of a long Josephson junction in the flux-flow regime

, 1996
Theoretical model for the radiation linewidth in a multi-fluxon state of a long Josephson junction is presented. Starting from the perturbed sine-Gordon model with the temperature dependent noise term, we develop a collective coordinate approach which ...
A. A. Golubov, A. V. Ustinov, A.J. Dahm, B. A. Malomed, B.A. Malomed, D.W. McLaughlin, E. Joergensen, M. Büttiker, M.J. Stephen, V.P. Koshelets   +9 more
core   +1 more source