Results 71 to 80 of about 11,037,086 (263)

A Three‐Terminal Memristive Artificial Neuron with Tunable Firing Probability

Advanced Electronic Materials
The human brain facilitates information processing via generating and receiving temporal patterns of short voltage pulses, a.k.a. neural spikes. This approach simultaneously grants low‐power operation as well as a high degree of noise immunity and fault ...
Mila Lewerenz, Elias Passerini, Luca Weber, Markus Fischer, Nadia Jimenez Olalla, Raphael Gisler, Alexandros Emboras, Mathieu Luisier, Miklos Csontos, Ueli Koch, Juerg Leuthold   +10 more
doaj   +1 more source

Perspective: Nanophotonic electro-optics enabling THz bandwidths, exceptional modulation and energy efficiencies, and compact device footprints

APL Materials, 2023
The growth of integrated photonics has driven the need for efficient, high-bandwidth electrical-to-optical (EO) signal conversion over a broad range of frequencies (MHz–THz), together with efficient, high bandwidth photodetection.
Larry R. Dalton, Juerg Leuthold, Bruce H. Robinson, Christian Haffner, Delwin L. Elder, Lewis E. Johnson, Scott R. Hammond, Wolfgang Heni, Claudia Hosessbacher, Benedikt Baeuerle, Eva De Leo, Ueli Koch, Patrick Habegger, Yuriy Fedoryshyn, David Moor, Ping Ma   +15 more
doaj   +1 more source

Electromagnetic field with constraints and Papapetrou equation

, 2006
It is shown that geometric optical description of electromagnetic wave with account of its polarization in curved space-time can be obtained straightforwardly from the classical variational principle for electromagnetic field.
Muminov, A. T., Turakulov, Z. Ya.
core   +1 more source

Neutron Acceleration in Uniform Electromagnetic Fields

, 1993
The question as to whether neutron acceleration can occur in uniform electromagnetic fields is examined. Although such an effect has been predicted using the canonical equations of motion some doubt has been raised recently as to whether it is in ...
A. Cimmino, C. R. Hagen, J. Anandan, J. Anandan, J. Anandan, J. Anandan, J. Anandan, J. Anandan, J. Anandan, J. Schwinger, R. C. Casella, S. Coleman, W. Shockley, Y. Aharonov, Y. Aharonov   +14 more
core   +1 more source

Three‐Terminal Memristor with Tunable Volatility and Set Voltage

Advanced Electronic Materials
Brain‐inspired computing solutions require a suitable hardware platform, where complex operations can be realized at low power consumption. Ideally, the hardware can be reconfigured between multiple functionalities by tuning the corresponding device ...
Kshipra Srikrishnaprabhu, Mila Lewerenz, Markus Fischer, Elias Passerini, Arnaud Schneuwly, Nadia Jimenez Olalla, Raphael Gisler, Martin Andreas Stecher, Alexandros Emboras, Mathieu Luisier, Miklós Csontos, Juerg Leuthold   +11 more
doaj   +1 more source

Ultra-Stable Broadband Comb Laser with Tunable Free Spectral Range and Spectra [PDF]

EPJ Web of Conferences
We present a novel near-infrared broadband, flat-top optical frequency comb spanning 1.6 THz. This comb is generated using an interband gain medium operated in an ultrafast gain recovery regime within a unidirectional ring cavity.
Marzban Bahareh, Miller Lucius, Dikopoltsev Alexander, Blatter Tobias, Kulmer Laurenz, Bertrand Mathieu, Scalari Giacomo, Leuthold Juerg, Faist Jerome   +8 more
doaj   +1 more source

Dynamical Equations of Spinning Particles: Feynman's Proof

, 1993
In this letter, we discuss the extension of Feynman's derivation of the equation of motion to the case of spinning particles. We show that a spinning particle interacts only with the electromagnetic and gravitational fields.
Bargmann, Chihong Chou, Chou, Dyson, Frenkel, Jackiw, Khriplovich, Lee, Papapetrou, Plyushchay, Ravndal, Shon, Soni, Stern, Tanimura, van Holten, Volkov, Yee   +17 more
core   +1 more source

Scientific evidence invalidates health assumptions underlying the FCC and ICNIRP exposure limit determinations for radiofrequency radiation: implications for 5G

Environmental Health, 2022
In the late-1990s, the FCC and ICNIRP adopted radiofrequency radiation (RFR) exposure limits to protect the public and workers from adverse effects of RFR.
International Commission on the Biological Effects of Electromagnetic Fields (ICBE-EMF)
doaj   +1 more source

Partially ionized plasmas in electromagnetic fields

, 2006
The interaction of partially ionized plasmas with an electromagnetic field is investigated using quantum statistical methods. A general statistical expression for the current density of a plasma in an electromagnetic field is presented and considered in ...
Beke G, Bonitz M, Bonitz M, Bonitz M, Bonitz M, D Kremp, D Semkat, Faisal F, Keldysh L V, Keldysh L V, Kremp D, Kremp D, M Bonitz, M Schlanges, Milonni P W, Mulser P, P Hilse, Reiss H R, Schepe R, Schepe R, Schlanges M, Semkat D, Silin V P, Silin V P, Th Bornath, Th Bornath, Th Bornath, Th Bornath, Th Bornath, Yu L, Yu L Klimontovich, Yu L Klimontovich   +31 more
core   +1 more source

Gradient‐based eigenvalue optimization for electromagnetic cavities with built‐in mode matching

IET Science, Measurement & Technology
Shape optimization with respect to eigenvalues of a cavity plays an important role in the design of new resonators or in the optimization of existing ones. This paper proposes a gradient‐based optimization scheme, which is enhanced with closed‐form shape
Anna Ziegler, Robert Hahn, Victoria Isensee, Anh Duc Nguyen, Sebastian Schöps   +4 more
doaj   +1 more source