Results 21 to 30 of about 251,032 (331)
The paper describes results of the numerical simulation and experimental characterization of plasmonic gratings and waveguides in the optical range of 1520 – 1630 nm.
D.S. Zemtsov+6 more
doaj +1 more source
Low-loss singlemode PECVD silicon nitride photonic wire waveguides for 532-900 nm wavelength window fabricated within a CMOS pilot line [PDF]
PECVD silicon nitride photonic wire waveguides have been fabricated in a CMOS pilot line. Both clad and unclad single mode wire waveguides were measured at lambda = 532, 780, and 900 nm, respectively. The dependence of loss on wire width, wavelength, and
Baets, Roel+14 more
core +1 more source
Compact Optical Waveguides Based on Hybrid Index and Surface-Plasmon-Polariton Guidance Mechanisms
Surface-plasmon-polariton (SPP) waveguides made of materials available in nature have, in general, been found to suffer from very high absorption loss when light confinement is beyond diffraction limit.
Min Yan, Min Qiu
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Coupled Strip-Array Waveguides for Integrated Mid-IR Gas Sensing
Non-dispersive infrared (NDIR) absorption spectroscopy is a widespread approach to gas sensing due to its selectivity and conceptual simplicity. One of the main challenges towards the development of fully integrated NDIR sensors is the design and ...
Pooja Thakkar+12 more
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Propagation Losses of Slotted Photonic Crystal Waveguides
We have fabricated and characterized a set of slotted photonic crystal (SPhC) waveguides in silicon-on-insulator (SOI) with a length of up to 300 $\mu\hbox{m}$ and slot widths ranging between 115 and 145 nm.
A. Di Falco+5 more
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Patterning of graphene on silicon-on-insulator waveguides through laser ablation and plasma etching [PDF]
We present the use of femtosecond laser ablation for the removal of monolayer graphene from silicon-on-insulator (SOI) waveguides, and the use of oxygen plasma etching through a metal mask to peel off graphene from the grating couplers attached to the ...
Baert, Kitty+10 more
core +2 more sources
2D materials have manifested themselves as key components toward compact integrated circuits. Because of their capability to circumvent the diffraction limit, light manipulation using surface plasmon polaritons (SPPs) is highly‐valued.
Chia‐Hung Wu+9 more
doaj +1 more source
Resemblance between gap waveguides and hollow waveguides [PDF]
There is a lack of suitable numerical ports for the gap waveguides. This study studies the resemblance between the ridge/groove gap waveguide and the conventional hollow ridge/rectangular waveguide, respectively, by using numerical analysis. The dispersion diagrams and characteristic impedances are compared and found to be similar within the stopband ...
Hasan Raza+3 more
openaire +2 more sources
Magnetic strip waveguides [PDF]
22 pages, a LaTeX source file with three eps ...
Pavel Exner+3 more
openaire +5 more sources
Unidirectional reflectionless light propagation at exceptional points
In this paper, we provide a comprehensive review of unidirectional reflectionless light propagation in photonic devices at exceptional points (EPs).
Huang Yin+4 more
doaj +1 more source