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Over the past 15 years there has been an ongoing debate regarding the influence of the photonic environment on Forster resonance energy transfer (FRET). Disparate results corresponding to enhancement, suppression and null effect of the…

Optics · Physics 2018-08-15 Cristian L. Cortes , Zubin Jacob

A mechanism for additional enhancement of SERS in the nanoparticle-on-mirror scheme is proposed. This new mechanism is based on the use of a substrate made of material with a near-minus-one permittivity. The setup involves a plasmonic…

Optics · Physics 2026-05-11 Alexey P. Vinogradov , Evgeny S. Andrianov

Applications of terawatt-class lasers can enormously benefit from pulse trains with kHz repetition rates. The associated unprecedented combinations of peak and average powers require the development of new concepts for scalable ultrashort…

The interaction of excitonic transitions with confined photonic modes enables tests of quantum physics and design of efficient optoelectronic devices. Here we study how key metrics such as Purcell factor, beta-factor and collection…

We introduce a novel analysis technique for pulsar secondary spectra. The power spectrum of pulsar scintillation (referred to as the "secondary spectrum") shows differential delays and Doppler shifts due to interference from multi-path…

Instrumentation and Methods for Astrophysics · Physics 2020-12-02 Tim Sprenger , Olaf Wucknitz , Robert Main , Daniel Baker , Walter Brisken

We experimentally and theoretically investigate the second order nonlinear optical response of metallo-dielectric multilayer structures composed of Ag and Ta2O5 layers, deposited by magnetron sputtering. Second harmonic generation…

The development of fault-tolerant quantum computers based on superconducting circuits faces critical challenges in qubit coherence, connectivity, and scalability. This review establishes metamaterials, artificial structures with on-demand…

Quantum Physics · Physics 2025-06-26 Alex Krasnok

Dielectric nanostructures have demonstrated optical antenna effects due to Mie resonances. Preliminary investigations on dielectric nanoantennas have been carried out for a trifecta of enhancements, i.e., simultaneous enhancements in…

In low background and low threshold particle astrophysics experiments using observation of Cherenkov or scintillation light it is common to use pairs or arrays of photomultipliers operated in coincidence. In such circumstances, for instance…

Instrumentation and Detectors · Physics 2009-06-23 M. Robinson , P. K. Lightfoot , M. J. Carson , V. A. Kudryavtsev , N. J. C. Spooner

Efficient frequency conversion techniques are crucial to the development of plasmonic metasurfaces for information processing and signal modulation. In principle, nanoscale electric-field confinement in nonlinear materials enables higher…

The growing interest in human-grade total body positron emission tomography (PET) systems has also application in small animal research. Due to the existing limitations in human-based studies involving drug development and novel treatment…

Achieving control over light-matter interaction in custom-tailored nanostructures is at the core of modern quantum electrodynamics [1-15]. In ultrastrongly coupled systems [5-15], excitation is repeatedly exchanged between a resonator and…

Mesoscale and Nanoscale Physics · Physics 2018-07-03 Andreas Bayer , Marcel Pozimski , Simon Schambeck , Dieter Schuh , Rupert Huber , Dominique Bougeard , Christoph Lange

Proportional scintillation counters (PSCs), both single- and dual-phase, can measure the scintillation (S1) and ionization (S2) channels from particle interactions within the detector volume. The signal obtained from these detectors depends…

Instrumentation and Detectors · Physics 2016-03-23 Kareem Kazkaz , Tenzing Henry Yatish Joshi

Integrated photonic circuits are an integral part of all-optical and on-chip quantum information processing and quantum computer. Deterministically integrated single-photon sources in nanoplasmonic circuits lead to densely packed scalable…

Optics · Physics 2021-08-26 Lakshminarayan Sharma , Laxmi Narayan Tripathi

A new instrument for high resolution imaging of fast-neutrons is presented here. It is designed for energy selective radiography in nanosecond-pulsed broad-energy (1 - 10 MeV) neutron beams. The device presented here is based on hydrogenous…

Instruments to visualize transient structural changes of inhomogeneous materials on the nanometer scale with atomic spatial and temporal resolution are demanded to advance materials science, bioscience, and fusion sciences. One such…

Accelerator Physics · Physics 2017-03-20 X. Shen , R. K. Li , U. Lundström , T. J. Lane , A. H. Reid , S. P. Weathersby , X. J. Wang

Effects associated with the change in the local density of photonic states in a periodic structure based on alternating \textit{a}-Si$_{1-x}$C$_x$:H and \textit{a}-SiO$_2$ amorphous layers forming a one-dimensional (1D) photonic crystal…

Mesoscale and Nanoscale Physics · Physics 2017-07-21 Mikhail V. Rybin , Alexander V. Zherzdev , Nikolay A. Feoktistov , Alexander B. Pevtsov

By means of quantum tensor network calculations, we investigate the large Purcell effect experienced by an organic molecule placed in the vicinity of a plasmonic nanostructure. In particular, we consider a donor-{\pi} bridge-acceptor dye at…

Mesoscale and Nanoscale Physics · Physics 2020-12-17 D. Zhao , R. E. F. Silva , C. Climent , J. Feist , A. I. Fernández-Domínguez , F. J. García-Vidal

We report on experimental investigations of proton acceleration from solid foils irradiated with PW-class laser-pulses, where highest proton cut-off energies were achieved for temporal pulse parameters that varied significantly from those…

Semiconductor colloidal nanocrystals are excellent light emitters in terms of efficiency and spectral control. Integrating them with a metasurface would pave the way to ultrathin photoluminescent devices with reduced amount of active…