output
19922026
Showing 2015 · physics.opticsShow all

15 papers · 2 filters

physics.optics2015

Avalanche effect and gain saturation in high harmonic generation

Carles Serrat, David Roca, Josep M. Budesca +7

Optical amplifiers in all ranges of the electromagnetic spectrum exhibit two essential characteristics: i) the input signal during the propagation in the medium is multiplied by th…

physics.optics2015★ 21 cited

Direct measurement of second-order coupling in a waveguide lattice

Robert Keil, Benedikt Pressl, René Heilmann +3

We measure the next-nearest-neighbour coupling in an array of coupled optical waveguides directly via an integrated eigenmode interferometer. In contrast to light propagation exper…

physics.optics2015★ 150 cited

Magnetic hyperbolic optical metamaterials

Sergey S. Kruk, Zi Jing Wong, Ekaterina Pshenay-Severin +4

Strongly anisotropic media where the principal components of electric permittivity or magnetic permeability tensors have opposite signs are termed as hyperbolic media. Such media s…

physics.optics2015★ 82 cited

Universal sign-control of coupling in tight-binding lattices

Robert Keil, Charles Poli, Matthias Heinrich +4

We present a method of locally inverting the sign of the coupling term in tight-binding systems, by means of inserting a judiciously designed ancillary site and eigenmode matching…

physics.optics2015★ 33 cited

Efficient treatment of stacked metasurfaces for optimizing and enhancing the range of accessible optical functionalities

Christoph Menzel, Jan Sperrhake, Thomas Pertsch

We present, discuss and validate an adapted S-matrix formalism for an efficient, simplified treatment of stacked homogeneous periodically structured metasurfaces operated under nor…

physics.optics2015★ 50 cited

Electromagnetic wave propagation in spatially homogeneous yet smoothly time-varying dielectric media

Armen G. Hayrapetyan, Jörg B. Götte, Karen K. Grigoryan +2

We explore the propagation and transformation of electromagnetic waves through spatially homogeneous yet smoothly time-dependent media within the framework of classical electrodyna…

physics.optics2015★ 28 cited

Selective Strong-Field Enhancement and Suppression of Ionization with Short Laser Pulses

Nathan A. Hart, James Strohaber, Alexandre A. Kolomenskii +3

We experimentally demonstrate robust selective excitation and attenuation of atomic Rydberg level populations in sodium vapor (Na I) using intense laser pulses in the strong field…

physics.optics2015★ 14 cited

Measuring the Aharonov-Anandan phase in photonics

Kai Wang, Steffen Weimann, Armando Perez-Leija +1

The Aharonov-Anandan phase is a description of the geometric nature in non-adiabatic cyclic evolutions of quantum states. Here we report on a measurement of the Aharonov-Anandan ph…

physics.optics2015★ 4 cited

Selective higher order fiber mode excitation using a monolithic setup of a phase plate at a fiber facet

Johannes Wilde, Christian Schulze, Robert Brüning +2

Controlling the modal content coupled into an optical fiber can be desireable in many situations, e.g. for adjusting the sensitivity of the guided field distribution to external pe…

physics.optics2015★ 9 cited

Characterization of a circular optical nanoantenna by nonlinear photoemission electron microscopy

Thomas Kaiser, Matthias Falkner, Jing Qi +5

We report on the investigation of an advanced circular plasmonic nanoantenna under ultrafast excitation using nonlinear photoemission electron microscopy (PEEM) under near-normal i…

physics.optics2015★ 165 cited

Terawatt-level few-cycle mid-IR pulses through nonlinear self-compression in bulk

V. Shumakova, P. Malevich, S. Ališauskas +5

The physics of strong-field applications requires driver laser pulses that are both energetic and extremely short. Whereas optical amplifiers, laser and parametric, boost the energ…

physics.optics2015★ 112 cited

Fiber propagation of vector modes

Bienvenu Ndagano, Robert Bruning, Melanie McLaren +2

Here we employ both dynamic and geometric phase control of light to produce radially modulated vector-vortex modes, the natural modes of optical fibers. We then measure these modes…

physics.optics2015★ 2 cited

Cancellation of lateral displacement noise of 3-port gratings for coupling light to cavities

Melanie Meinders, Stefanie Kroker, Amrit Pal Singh +4

Reflection gratings enable light coupling to optical cavities without transmission through substrates. Gratings that have three ports and are mounted in second-order Littrow config…

physics.optics2015★ 25 cited

Birefringence Measurements on Crystalline Silicon

Christoph Krüger, Daniel Heinert, Alexander Khalaidovski +4

Crystalline silicon has been proposed as a new test mass material in third generation gravitational wave detectors such as the Einstein Telescope (ET). Birefringence can reduce the…

physics.optics2015★ 64 cited

The Effect of Orbital Angular Momentum on Nondiffracting Ultrashort Optical Pulses

Marco Ornigotti, Claudio Conti, Alexander Szameit

We introduce a new class of nondiffracting optical pulses possessing orbital angular momentum. By generalizing the X-waves solution of the Maxwell equation, we discover the couplin…