Results 81 to 90 of about 530,378 (278)

Efficient Coupling between Dielectric-Loaded Plasmonic and Silicon Photonic Waveguides [PDF]

open access: yes, 2010
The realization of practical on-chip plasmonic devices will require efficient coupling of light into and out of surface plasmon waveguides over short length scales.
Atwater, Harry A.   +4 more
core   +1 more source

Scattering in twisted waveguides

open access: yesJournal of Functional Analysis, 2014
28 pages; typos corrected; to appear in Journal of Functional ...
Georgi Raikov   +3 more
openaire   +6 more sources

TE/TM-Pass Polarizer Based on Lithium Niobate on Insulator Ridge Waveguide

open access: yesIEEE Photonics Journal, 2013
We propose a TE/TM-pass polarizer based on a shallow X-cut lithium niobate-on-insulator (LNOI) ridge waveguide. In shallow X-cut LNOI ridge waveguides, the leaky mode is interchanged between TE and TM polarization waves depending on the ridge waveguide ...
Emi Saitoh   +3 more
doaj   +1 more source

Optical amplification and stability of spiroquaterphenyl compounds and blends [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2015
In this contribution, we present a systematic investigation on a series of spiroquaterphenyl compounds optimised for solid state lasing in the near ultraviolet (UV).
Fuhrmann-Lieker T.   +11 more
doaj   +1 more source

Biocompatible silk step-index optical waveguides.

open access: yesBiomedical Optics Express, 2015
Biocompatible optical waveguides were constructed entirely of silk fibroin. A silk film (n=1.54) was encapsulated within a silk hydrogel (n=1.34) to form a robust and biocompatible waveguide.
M. Applegate   +3 more
semanticscholar   +1 more source

Stimulated Brillouin Scattering in integrated photonic waveguides: forces, scattering mechanisms and coupled mode analysis [PDF]

open access: yes, 2014
Recent theoretical studies of Stimulated Brillouin Scattering (SBS) in nanoscale devices have led to an intense research effort dedicated to the demonstration and application of this nonlinearity in on-chip systems.
C. Wolff   +3 more
semanticscholar   +1 more source

Waveguides, bends and Y-junctions with improved transmission and bandwidth in hexagon-type SOI photonic crystal slabs [PDF]

open access: yes, 2005
This paper presents novel ways of implementing waveguide components in photonic crystal slabs based on silicon-on-insulator (SOI). The integration platform we consider consists of hexa¬gonal holes arranged in a triangular lattice (‘hexagon-type’ photonic
Bostan, Cazimir G.   +3 more
core   +2 more sources

Laser-Inscribed Diamond Waveguide Resonantly Coupled to Diamond Microsphere

open access: yesMolecules, 2020
An all-diamond photonic circuit was implemented by integrating a diamond microsphere with a femtosecond-laser-written bulk diamond waveguide. The near surface waveguide was fabricated by exploiting the Type II fabrication method to achieve stress-induced
Nurperi Yavuz   +8 more
doaj   +1 more source

Losses in single-mode silicon-on-insulator strip waveguides and bends.

open access: yesOptics Express, 2004
We report the fabrication and accurate measurement of propagation and bending losses in single-mode silicon waveguides with submicron dimensions fabricated on silicon-on-insulator wafers.
Y. Vlasov, S. Mcnab
semanticscholar   +1 more source

Gain-assisted slow to superluminal group velocity manipulation in nano-waveguides

open access: yes, 2006
We study the energy propagation in subwavelength waveguides and demonstrate that the mechanism of material gain, previously suggested for loss compensation, is also a powerful tool to manipulate dispersion and propagation characteristics of ...
Alexander A. Govyadinov   +5 more
core   +1 more source

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