Results 71 to 80 of about 530,378 (278)
Nonlinear self-flipping of polarization states in asymmetric waveguides
, 2012 Waveguides of subwavelength dimensions with asymmetric geometries, such as rib waveguides, can display nonlinear polarization effects in which the nonlinear phase difference dominates the linear contribution, provided the birefringence is sufficiently ...
Afshar, V. Shahraam +3 more
core +1 more source
Polarization Engineering in Photonic Crystal Waveguides for Spin-Photon Entanglers. [PDF]
Physical Review Letters, 2014 By performing a full analysis of the projected local density of states (LDOS) in a photonic crystal waveguide, we show that phase plays a crucial role in the symmetry of the light-matter interaction.
A. Young +7 more
semanticscholar +1 more source
Ion-Exchanged Waveguides in Glass Doped with PbS Quantum Dots [PDF]
, 2004 The lowest-loss (≤1 dB/cm) ion-exchanged waveguides in glass doped with PbS quantum dots are presented. Near-field mode profile and refractive index profile using the refracted near-field technique were measured for these waveguides.
Axel Schülzgen +10 more
core +3 more sources
Polymer waveguides for electro-optical integration in data centers and high-performance computers.
Optics Express, 2015 To satisfy the intra- and inter-system bandwidth requirements of future data centers and high-performance computers, low-cost low-power high-throughput optical interconnects will become a key enabling technology.
R. Dangel +8 more
semanticscholar +1 more source
Phonon waveguides for electromechanical circuits. [PDF]
Nature Nanotechnology, 2014 Nanoelectromechanical systems (NEMS), utilizing localized mechanical vibrations, have found application in sensors, signal processors and in the study of macroscopic quantum mechanics.
D. Hatanaka +3 more
semanticscholar +1 more source
Low dispersion integrated michelson interferometer on silicon on insulator for optical coherence tomography [PDF]
, 2011 We present an integrated silicon Michelson interferometer for OCT fabricated with wafer scale deep UV lithography. Silicon waveguides of the interferometer are designed with GVD less than 50 ps/nm. km. The footprint of the device is 0.5 mm x 3 mm.
Baets, Roel +2 more
core +1 more source
Multimode nematicon waveguides [PDF]
Optics Letters, 2011 We report on the first experimental observation of higher-order modes guided by soliton-induced waveguides in unbiased nematic liquid crystals. We find that the nematicon waveguides operate in a bounded power region specific to each guided mode. Below this region the guided beams diffract, above it the mode mixing and coupling give rise to an unstable ...
Izdebskaya, Yana +3 more
openaire +5 more sources
Freeform Phononic Waveguides [PDF]
Crystals, 2017 We employ a recently introduced class of artificial structurally-disordered phononic structures that exhibit large and robust elastic frequency band gaps for efficient phonon guiding. Phononic crystals are periodic structures that prohibit the propagation of elastic waves through destructive interference and exhibit large band gaps and ballistic ...
Georgios Gkantzounis, Marian Florescu
openaire +6 more sources
Design of graphene-based polarization-insensitive optical modulator
Nanophotonics, 2018 By exploiting the electroabsorption effect of graphene, we present a graphene-based polarization-insensitive optical modulator. The waveguide structure consists of a silica substrate, high-index silicon strip waveguide, Si3N4 dielectric spacer, two ...
Hu Xiao, Wang Jian
doaj +1 more source
Optical waveguides in crystalline dielectric materials produced by femtosecond‐laser micromachining
, 2014 Femtosecond‐laser micromachining (also known as inscription or writing) has been developed as one of the most efficient techniques for direct three‐dimensional microfabrication of transparent optical materials.
Feng Chen, J. R. V. Aldana
semanticscholar +1 more source