Results 21 to 30 of about 2,235,211 (295)

Slow-light and evanescent modes at interfaces in photonic crystal waveguides: optimal extraction from experimental near-field measurements [PDF]

, 2011
We develop a systematic approach for simultaneous extraction of the dispersion relations and profiles of multiple modes in periodic waveguides though a special global optimization procedure applied to near-field electric field measurements in the ...
Ha, S., de Sterke, C. Martijn, Yuri S. Kivshar, Krauss, T.F., Sterke, C.M. de, Spasenovic, Marko, White, Tom P, Sukhorukov, Andrey A., Krauss, Thomas Fraser, Thomas F. Krauss, White, T.P., Sangwoo Ha, Kuipers, L.K. (Kobus), Sukhorukov, A.A., Kivshar, Y.S. (Yuri), Thomas P. White, Andrey A. Sukhorukov, Kuipers, L. Kobus, L. (Kobus) Kuipers, Spasenović, M., Marko Spasenović, C. Martijn de Sterke, Ha, Sangwoo, Kivshar, Yuri S.   +23 more
core   +1 more source

Properties of Multimode Optical Epoxy Polymer Waveguides Deposited on Silicon and TOPAS Substrate [PDF]

Radioengineering, 2017
The paper reports on the fabrication and characterization of multimode polymer optical waveguides. Epoxy polymer EpoCore was used as the waveguide core material and EpoClad was used as a cladding and cover protection layer.
V. Prajzler, M. Neruda, P. Nekvindova, P. Mikulik   +3 more
doaj  

Photonic integrated circuits for generation of orbital angular momentum beams [PDF]

EPJ Web of Conferences
We report the experimental realization of vector beams carrying orbital angular momentum using integrated photonic circuits. The structures are based on optical micro-ring resonators and spiral waveguides incorporating gratings for out-coupling of light ...
Larnimaa Santeri, Pandian Santhosh, Akhter Mohammad Nayeem, Vainio Markku, Niemi Tapio   +4 more
doaj   +1 more source

Properties of Large Core Polymer Optical Bend Waveguides [PDF]

Radioengineering, 2019
We report about properties of large core plastic planar optical bend waveguides. The dimensions of the waveguides were to be compatible with the commonly used plastic optical fiber with diameter 750 µm and the bend radii of the waveguides varied from 30 ...
V. Prajzler, M. Knietel, P. Jasek
doaj  

Fabrication of submicrometer high refractive index tantalum pentoxide waveguides for optical propulsion of microparticles

, 2009
Design, fabrication, and optimization of tantalum pentoxide (Ta2O5) waveguides to obtain low-loss guidance at a wavelength of 1070 nm are reported.
Wilkinson, James S., Ahluwalia, Balpreet Singh, Subramanian, Ananth Z., Hellesø, Olav Gaute, Sessions, Neil P., Perney, Nicolas M.B.   +5 more
core   +1 more source

Cascaded Integration of Optical Waveguides With Third-Order Nonlinearity With Lithium Niobate Waveguides on Silicon Substrates

IEEE Photonics Journal, 2018
The cascaded integration of optical waveguides with third-order optical nonlinearity ( $\chi ^{(3)}$ susceptibilitiy) with lithium niobate (LiNbO $_{3}$) waveguides is demonstrated on the same chip.
Amirmahdi Honardoost, Guillermo Fernando Camacho Gonzalez, Saeed Khan, Marcin Malinowski, Ashutosh Rao, Jean-Etienne Tremblay, Anupama Yadav, Kathleen Richardson, Ming C. Wu, Sasan Fathpour   +9 more
doaj   +1 more source

ARRAW: anti-resonant reflecting acoustic waveguides

New Journal of Physics, 2020
Development of acoustic and optoacoustic on-chip technologies calls for new solutions to guiding, storing and interfacing acoustic and optical waves in integrated silicon-on-insulator systems.
M K Schmidt, M C O’Brien, M J Steel, C G Poulton   +3 more
doaj   +1 more source

Propagation loss in slow light photonic crystal waveguides [PDF]

, 2012
The field of nanophotonics is a major research topic, as it offers potential solutions to important challenges, such as the creation of low power, high bandwidth interconnects or optical sensors.
Schulz, Sebastian Andreas
core   +2 more sources

Source misalignment in multimode polymer tapered waveguides for optical backplanes [PDF]

, 2007
Polymer tapered multimode waveguides were modeled using the finite difference wide-angle beam propagation method to investigate whether tapered input waveguide couplers decreasing in width away from the waveguide entrance give improved tolerance to ...
Rashed, AM, Selviah, DR
core  

In situ loss measurement of direct UV written waveguides using integrated Bragg gratings

, 2010
The propagation loss of a direct UV-written silica-on-silicon waveguide is measured using an elegant nondestructive method. The technique uses integrated Bragg grating structures, which are observed from opposing launch directions to obtain information ...
Rogers, H.L., Smith, P.G.R., Sumiaty Ambran, Ambran, S., James C. Gates, Christopher Holmes, Holmes, C., Gates, J.C., Helen L. Rogers, Peter G. R. Smith   +9 more
core   +1 more source