scholarly journals Optical Coherence Transfer Mediated by Free Electrons

2021 ◽  
Author(s):  
Ofer Kfir ◽  
Valerio Di Giulio ◽  
F. Javier García de Abajo ◽  
Claus Ropers
Keyword(s):  
Optical Coherence ◽  
Coherence Transfer ◽  
Free Electrons

scholarly journals Optical coherence transfer mediated by free electrons

2021 ◽  
Vol 7 (18) ◽  
pp. eabf6380
Author(s):  
Ofer Kfir ◽  
Valerio Di Giulio ◽  
F. Javier García de Abajo ◽  
Claus Ropers
Keyword(s):  
Laser Field ◽  
Quantum Coherence ◽  
Electron State ◽  
Laser Frequency ◽  
Quantum Systems ◽  
Optical Coherence ◽  
Coherence Transfer ◽  
Free Electrons ◽  
Quantum Optical ◽  
Spectrally Resolved

We theoretically investigate the quantum-coherence properties of the cathodoluminescence (CL) emission produced by a temporally modulated electron beam. Specifically, we consider the quantum-optical correlations of CL produced by electrons that are previously shaped by a laser field. Our main prediction is the presence of phase correlations between the emitted CL field and the electron-modulating laser, even though the emission intensity and spectral profile are independent of the electron state. In addition, the coherence of the CL field extends to harmonics of the laser frequency. Since electron beams can be focused to below 1 Å, their ability to transfer optical coherence could enable the ultra-precise excitation, manipulation, and spectrally resolved probing of nanoscale quantum systems.

Optical coherence transfer over 50-km spooled fiber with frequency instability of 2×10 −17 at 1 s

2015 ◽  
Vol 24 (8) ◽  
pp. 084209
Author(s):  
Chao-Qun Ma ◽  
Wu Li-Fei ◽  
Yan-Yi Jiang ◽  
Hong-Fu Yu ◽  
Zhi-Yi Bi ◽  
...  
Keyword(s):  
Frequency Instability ◽  
Optical Coherence ◽  
Coherence Transfer

Dynamic studies of silicide-mediated crystallization of amorphous silicon

1992 ◽  
Vol 50 (2) ◽  
pp. 1352-1353
Author(s):  
C. Hayzelden ◽  
J. L. Batstone
Keyword(s):  
Ion Implantation ◽  
Solid Phase ◽  
Metallic Phase ◽  
Single Crystal Substrate ◽  
Free Electrons ◽  
Melt Temperature ◽  
Transmission Electron ◽  
Crystal Substrate ◽  
High Resolution Tem

Epitaxial reordering of amorphous Si(a-Si) on an underlying single-crystal substrate occurs well below the melt temperature by the process of solid phase epitaxial growth (SPEG). Growth of crystalline Si(c-Si) is known to be enhanced by the presence of small amounts of a metallic phase, presumably due to an interaction of the free electrons of the metal with the covalent Si bonds near the growing interface. Ion implantation of Ni was shown to lower the crystallization temperature of an a-Si thin film by approximately 200°C. Using in situ transmission electron microscopy (TEM), precipitates of NiSi2 formed within the a-Si film during annealing, were observed to migrate, leaving a trail of epitaxial c-Si. High resolution TEM revealed an epitaxial NiSi2/Si(l11) interface which was Type A. We discuss here the enhanced nucleation of c-Si and subsequent silicide-mediated SPEG of Ni-implanted a-Si.Thin films of a-Si, 950 Å thick, were deposited onto Si(100) wafers capped with 1000Å of a-SiO2. Ion implantation produced sharply peaked Ni concentrations of 4×l020 and 2×l021 ions cm−3, in the center of the films.

1086: Cystoscopic Optical Coherence Tomography in Diagnosis and Management of Clinical Bladder Tumors

2007 ◽  
Vol 177 (4S) ◽  
pp. 358-359 ◽  
Author(s):  
Christopher S. Lee ◽  
Alek Mishail ◽  
Jason M. Kim ◽  
Alexander Kirshenbaum ◽  
Howard L. Adler ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Optical Coherence ◽  
Bladder Tumors ◽  
Diagnosis And Management

1227: Optical Coherence Tomography-Guided Surgery of Bladder Cancer

2006 ◽  
Vol 175 (4S) ◽  
pp. 395-395
Author(s):  
Nancy J. Tresser ◽  
Elena V. Zagaynova ◽  
Olga S. Streltsova ◽  
Natalia D. Gladkova ◽  
Vladislav A. Kamensky ◽  
...  
Keyword(s):  
Bladder Cancer ◽  
Optical Coherence Tomography ◽  
Optical Coherence ◽  
Guided Surgery

258: Diagnosis and Intraoperative Staging of Bladder Disease by in-vivo Optical Coherence Tomography (OCT)

2004 ◽  
Vol 171 (4S) ◽  
pp. 68-68 ◽  
Author(s):  
Markus D. Sachs ◽  
Dmitry Daniltchenko ◽  
Eva Lankenau ◽  
Frank Koenig ◽  
Gerion Huettmann ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Optical Coherence ◽  
Bladder Disease
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