Results 261 to 270 of about 5,328,774 (332)

Tailoring Momentum and Information Transfer of Structured Light to Adapted Liquid Crystals. [PDF]

ACS Omega
Hofmann S, Lemmens P, Möller A.
europepmc   +1 more source

Study of Hydraulic Disturbance Transient Processes in Pumped-Storage Power Stations Considering Electro-Mechanical Coupling. [PDF]

Sensors (Basel)
Liu C, Zhao Z, Yin X, Yang J.
europepmc   +1 more source

Ka-band broadband high-gain circularly polarized antenna array with high cross-polarization discrimination. [PDF]

Sci Rep
Li C, Zhu Y, Zhou Y, Xu Y, Xie W.
europepmc   +1 more source

Scaling of ovipositor size in two species of <i>Drosophila</i>: altered genital coupling mechanisms and evolution of allometric slopes. [PDF]

Biol Lett
Matsuo T.
europepmc   +1 more source

A Comparison of Coupling Strategies for 1D-3D Simulations of Coronary Hemodynamics. [PDF]

Int J Numer Method Biomed Eng
Hilhorst PLJ, Vermeer AJE, Zając K, van 't Veer M, Rezaeimoghaddam M, van de Vosse FN, Huberts W.   +6 more
europepmc   +1 more source

Near-unity fueling light into a single plasmonic nanocavity. [PDF]

Nanophotonics
Ye H, Ge J, Lu Z, Song D, Ji J, Peng Z, Zhang S, Xu H.   +7 more
europepmc   +1 more source

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Coupling length and coupling loss in AlGaAs photonic crystal waveguides

Journal of Optics, 2017
In this work, we present the theoretical simulation results of a two parallel plasmonic waveguides structure with same geometries. There is a low-index semiconductor AlGaAs layer between the GaAs layer and the metal layer. The coupling length and coupling loss are calculated at the telecom wavelength (1550 nm) for different structures by employing the ...
Latef M. Ali
semanticscholar   +3 more sources

Perfect Optical Fiber Coupling with Subwavelength Coupling Length

2024 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)
We propose a perfect coupler for the optical fiber based on transformation optics and universal impedance matching theory. The coupler has the shortest subwavelength coupling length, a 99.9% coupling efficiency, and a broad bandwidth.
M. Kim, Q-Han Park
semanticscholar   +2 more sources

Coupling-length phase matching for efficient third-harmonic generation based on parallel-coupled waveguides.

Optics Letters, 2015
We study third-harmonic generation (THG) in parallel-coupled waveguides where the spatial modulation of the mode intensity provides quasi-phase matching, called coupling-length phase matching (CLPM), for efficient nonlinear frequency conversion. Different types of CLPM are investigated for THG, and it is found that two sets of CLPM conditions can be ...
Tianye Huang, P. Shum, Xuguang Shao, Timothy Lee, Zhifang Wu, Huizi Li, Tingting Wu, Meng Zhang, X. Dinh, G. Brambilla   +9 more
semanticscholar   +4 more sources

Multiple coupling length nonlinear directional couplers with variable coupling coefficient

Optics Communications, 2003
Multiple coupling length nonlinear directional couplers (NLDCs) with variable coupling coefficient (VCC) are investigated. As examples, two kinds of VCC NLDCs, exponential and Gaussian VCC NLDCs, are numerically simulated. Both couplers show multiple-switching feature and have eminent digital switching characteristic. In addition, the Gaussian VCC NLDC
G. Liu, Binming Liang, Qu Li, G. Jin
semanticscholar   +2 more sources