Results 241 to 250 of about 132,317 (296)

n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz

Advanced Materials, EarlyView.
Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis, Filip Aniés, Yiyang Yu, Mohammed Ghadiyali, Hendrik Faber, Zhanibek Bizak, Youssef Kabri, Pavlos Tzourmpakis, Suman Mandal, Linqu Luo, Temur Maksudov, Mohamad Insan Nugraha, Harold F. Mazo‐Mantilla, Patrice Vanelle, Julie Broggi, Khaled N. Salama, Udo Schwingenschlögl, Martin Heeney, Atif Shamim, Thomas D. Anthopoulos   +19 more
wiley   +1 more source

Stimulated Emission Tomography [PDF]

Physical Review Letters, 2013
We identify a relation between the number of photon pairs generated by parametric fluorescence, through either spontaneous parametric down-conversion (SPDC) or spontaneous four-wave mixing, and the number generated by the corresponding stimulated process, respectively, either difference-frequency generation or stimulated four-wave mixing.
LISCIDINI, MARCO, J. E. Sipe
openaire   +4 more sources

Stimulated Emission Tomography [PDF]

CLEO: 2014, 2014
We experimentally demonstrate the reconstruction of the polarization state of entangled photon pairs by stimulated emission tomography.
Liscidini, M., Rozema, L., Wang, C., Mahler, D., Hayat, A., Steinberg, A., Sipe, J. E.   +6 more
openaire   +3 more sources

Morphology-Dependent Stimulated Emission and Field Emission of Ordered CdS Nanostructure Arrays [PDF]

ACS Nano, 2009
Highly ordered CdS nanostructure arrays were successfully fabricated via a simple two-step metal-organic chemical vapor deposition process. Both stimulated emission and field-emission measurements were carried out in an attempt to understand the ...
Jiannian Yao, Haibo Zeng, Yoshio Bando   +2 more
exaly   +2 more sources

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Cooling Atoms with Stimulated Emission

Physical Review Letters, 1986
We have observed an efficient collimation of a cesium atomic beam crossing at right angles an intense laser standing wave. This new cooling scheme is mainly based on a stimulated redistribution of photons between the two counterpropagating waves by the moving atoms. By contrast with usual radiation pressure cooling, this "stimulated molasses" works for
Aspect, A., Heidmann, A., Dalibard, J., Salomon, C., Cohen-Tannoudji, C.   +4 more
openaire   +3 more sources

Stimulated Emission from Nuclei

Applied Optics, 1974
The feasibility of obtaining stimulated emission of both zero and finite mass particles from nuclei is considered, and the limitations imposed on the relevant nuclear parameters determined.
J, Byrne, G I, Peters, L, Allen
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Stimulated emission

2012
AbstractStimulated emission is treated as a ‘special case of luminescence’ that requires population inversion of energy levels. After introductory examples of spontaneous emission spectra influenced by ingredient of stimulated emission, basic concept of spontaneous and stimulated emission (Einstein coefficients) in an atomic system is reviewed.
Ivan Pelant, Jan Valenta
openaire   +1 more source

Stimulated Emission Depletion Microscopy

Chemical Reviews, 2017
Despite its short history, diffraction-unlimited fluorescence microscopy techniques have already made a substantial imprint in the biological sciences. In this review, we describe how stimulated emission depletion (STED) imaging originally evolved, how it compares to other optical super-resolution imaging techniques, and what advantages it provides ...
Hans Blom, Jerker Widengren
openaire   +5 more sources

Stimulated emission and black holes

Physical Review D, 1985
The probability of a black hole emitting m particles when n particles are incident on the black hole was first derived by Bekenstein and Meisels, and later, using a different method, by Panangaden and Wald. In another paper by Bekenstein, it was argued that black holes should have stimulated emission in all modes including the nonsuperradiant ones.
openaire   +2 more sources

Stimulated Emission of Polaritons

Journal of Applied Physics, 1972
The gain of optically pumped CdS lasers is calculated assuming that stimulated emission occurs with photonlike polaritons created in inelastic exciton-exciton collisions; it is shown that gain constants of the recently observed magnitude can be expected from this mechanism.
Herbert Mahr, C. L. Tang
openaire   +1 more source