Results 11 to 20 of about 195,765 (367)
Evanescent coupling from optical fiber tapers to photonic crystal waveguides and resonators [PDF]
Using a coupled mode theory and finite-difference time-domain calculations nearly complete evanescent power transfer between a fiber taper and a photonic crystal defect waveguide which is ideal for probing high-Q cavities is ...
Barclay, Paul E.+2 more
core +3 more sources
Optical fiber-based measurement of ultra-small mode volume and a high quality factor in a photonic crystal microcavity [PDF]
Using an optical fiber taper that simultaneously probes the spectral and spatial properties of resonant cavity modes, two-dimensional Si photonic crystal microcavities with a quality factor Q~40,000 and modal volume V_eff ~0.9(λ/n)^3 are experimentally ...
Barclay, Paul E.+3 more
core +3 more sources
Development of Photonic Crystal Fiber Based Gas/ Chemical Sensors [PDF]
The development of highly-sensitive and miniaturized sensors that capable of real-time analytes detection is highly desirable. Nowadays, toxic or colorless gas detection, air pollution monitoring, harmful chemical, pressure, strain, humidity, and ...
AA Rifat+64 more
core +2 more sources
This work presents the design and simulation of an all-optical sensor for detection of cancer cells. The proposed device is based on the surface plasmon resonance effect on a spiral shaped photonic crystal fiber structure. The finite element method (FEM)
S. Mittal+9 more
semanticscholar +1 more source
3D printed waveguides based on photonic crystal fiber designs for complex fiber-end photonic devices [PDF]
Optical waveguide segments based on geometrically unbound photonic crystal fibers (PCF) designs could be exploited as building blocks to realize miniaturized complex devices which implement advanced photonic operations.
Andrea Bertoncini, C. Liberale
semanticscholar +1 more source
Photonic crystal fiber (PhCF) for petrochemical sensing
A square-core photonic crystal fiber (PhCF) has been presented for liquid (petrochemical) sensing application. The sensor performance has been studied numerically in the frequency range from 1.2 to 3.8 THz.
Md. Bellal Hossain+3 more
doaj +1 more source
Hybrid photonic-crystal fiber [PDF]
This article offers an extensive survey of results obtained using hybrid photonic crystal fibers (PCFs) which constitute one of the most active research fields in contemporary fiber optics. The ability to integrate novel and functional materials in solid- and hollow-core PCFs through various post-processing methods has enabled new directions towards ...
Markos, Christos+4 more
openaire +5 more sources
Spectral characteristics of a photonic bandgap fiber [PDF]
With the help of numerical simulation, we study the propagation of light in an all-glass photonic crystal fiber. A comparison of the spectral characteristics of a fiber with the idealized hexagonal structure and a fiber with transverse profile ...
Aleksander Plastun, Andrey Konyukhov
doaj +1 more source
Hydrophobic photonic crystal fibers [PDF]
We propose and demonstrate hydrophobic photonic crystal fibers (PCFs). A chemical surface treatment for making PCFs hydrophobic is introduced. This repels water from the holes of PCFs, so that their optical properties remain unchanged even when they are immersed in water.
Xiao, Limin, Birks, T.A., Loh, W.H.
openaire +4 more sources
Supercontinuum generated high power highly nonlinear photonic crystal fiber for medical and optical communications applications [PDF]
This paper investigates a supercontinuum generated high power highly nonlinear photonic crystal fiber for medical and optical communication applications.
Feroza Begum+4 more
doaj +3 more sources