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Nanostructures for Enhanced Light-Trapping in Thin-Film Silicon

polarizability at the resonance wavelength, and efficiently scatter the incident light into the thin-film. Here, the particle dimensions are a key parameter for the tuning .... A thin-film silicon solar cell with a light-trapping nanostructure then behaves similarly to a waveguide and the nanostructure can be understood as the.


RF sputtered amorphous chalcogenide thin films for surface

RF sputtered amorphous chalcogenide thin films for surface enhanced infrared absorption spectroscopy. F. Verger,1, 2 V. Nazabal,1,* F. Colas,3 P. Němec,2 C. ... (C) 2013 OSA1 December 2013 | Vol. 3, No. ... Luther-Davies, “Third-harmonic generation in slow-light chalcogenide glass photonic crystal waveguides,” Opt.


Scanning angle Raman spectroscopy: Investigation of Raman



Zinc Oxide Nanostructures and High Electron Mobility

Abstract—This paper reports on the synthesis of zinc oxide. (ZnO) nanostructures and examines the performance of nanocom- posite thin-film transistors (TFTs) fabricated using ZnO dispersed in both n- and p-type polymer host matrices. The ZnO nanostruc- tures considered here comprise nanowires and tetrapods and ...


Nanostructured as-deposited indium tin oxide thin films for

Jul 18, 2017 ... Photoelectric properties of ITO thin films ... Keywords: indium tin oxide, antireflection, subwavelength nanostructures, optical properties, ... thin film solar cells. In LEDs, light management at their surfaces is essential to extract photons trapped by total internal reflection and waveguide modes, which otherwise.


Optimization of generalized dielectric nanostructures for enhanced

P. Wang and R. Menon, “Simulation and optimization of 1-D periodic dielectric nanostructures for light- ... E. A. Schiff, “Thermodynamic limit to photonic- plasmonic light-trapping in thin films on metals,” J. Appl. Phys. ... J. N. Munday, D. M. Callahan, and H. A. Atwater, “Light trapping beyond the 4n2 limit in thin waveguides,”.


AZO Thin Films by Sol-Gel Process for Integrated Optics

Jul 3, 2013 ... properties of the thin films have been also studied using m-lines spectroscopy. The results .... and transverse magnetic (TM) polarization in undoped and Al- doped ZnO waveguides. From angular ... the theoretical pattern; a similar behavior was already observed by other authors [33,34,40,48]. Figure 1.


Title Development of a Parallel Plate Waveguide Terahertz

Waveguide-based THz spectroscopy offers an alternative method to overcome this problem. In this work, I investigate a new parallel-plate waveguide (PPWG) technique for measuring dielectric properties of ultrathin conductive films, in which we mount the thin-film sample at the center of the waveguide. First, I describe in ...


Sol-gel derived nanostructured niobium pentoxide thin films for

Vol. 52A, May 2013, pp. 593-598. Sol-gel derived nanostructured niobium pentoxide thin films for electrochromic applications. Amita Verma* & P K Singh ... Nb2O5 thin films have been prepared using diethanolamine stabilized precursor sol and annealed at 500 ºC. ... properties and have been widely used in waveguide.

IJCA 52A(5) 593-598.pdf

localized surface plasmon resonance (lspr) and refractive index

The plasmonic properties of vacuum evaporated nanostructured gold thin films having different types of ... nanostructures have been used to provide LSPR such as nanoparticles, nanorods, nanoporous films as ..... in the terms of volume fraction and the polarization of the metallic nanoparticles [32-33]. Polarization of the film ...


FMR Measurements of Magnetic Nanostructures

nano-scale magnetic thin films and now a day's people have started research to characterise nanoparticles and ... been used to characterise magnetization dynamics such as femtosecond spectroscopy [16-18], pulse inductive ... anisotropy energies are strongly influenced by size and shape [33]. In addition, interactions.


Plasmonic light trapping in thin-film Si solar cells

Nov 7, 2014 ... arrays of metal nanostructures have been designed to couple light in waveguide modes of thin ... Recently, thin- film solar cell technology has emerged as a way to reduce the material costs. Due to the reduced material volume of thin-film devices ..... be kept thin, even less than optically thick [33].


Scanning angle Raman spectroscopy: Investigation of Raman

waveguide resonance Raman spectroscopy. Chapters 2-6 contain published manuscripts. This work develops a foundation of applied chemical measurements for numerous devices, including thin polymer films and photovoltaic devices. Chapter 7 provides general conclusions to the preceding chapters as well as the future.


arXiv:1611.07841v2 [cond-mat.mes-hall] 24 Nov 2016

Nov 24, 2016 ... emission was addressed in literature32,33, since it promises an efficient control of the spin- wave emission in ... ments such as Brillouin light scattering spectroscopy or all-electrical propagating spin-wave ... analytical description of spin waves in waveguides made from thin ferromagnetic films and.


Waveguide random laser based on a disordered ZnSe-nanosheets

mirrorless zinc oxide thin-film waveguides on silicon substrate [28, 29]. Generally, nanoislands or nanoparticles are commonly utilized as scatterers, some special nanostructures are not exhaustively researched. Dominguez et al described a RL system with coherent feedback system in PVA films containing titanium dioxide ...


Optical Metasurfaces and Prospect of Their Applications Including

JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 33, NO. 12, JUNE 15, 2015. Optical Metasurfaces and Prospect of Their. Applications Including Fiber Optics ...... thin films. The latter are then transferred on to the facets of optical fibers. The epoxy embedding medium is later etched away, leaving the nanostructures ...


Zinc Oxide Nanostructures and High Electron Mobility

ZINC OXIDE NANOSTRUCTURES AND HIGH ELECTRON MOBILITY NANOCOMPOSITE THIN FILM TRANSISTORS. 3003. Fig. 2. Aligned ..... Lett., vol . 82, no. 15, pp. 2491–2493, Apr. 2003. [12] M. Law et al., “Nanoribbon waveguides for subwavelength photonics integration,” Science, vol. 305, no. 5688, pp. 1269–1273 ...


Tunable and switchable polarization rotation with non-reciprocal

May 8, 2015 ... We experimentally demonstrate an ultra-thin plasmonic optical rotator in the visible regime that induces a polarization rotation that is .... gold wires provide a localized par- ticle plasmon resonance that hybridizes with the TM waveguide a b . Linearly polarized incident light. Gold wire grating. EuSe thin film.


Plasmonic behaviors of metallic AZO thin film and AZO nanodisk array

and sensors; (310.6628) Subwavelength structures, nanostructures; (310.6860) Thin films, ... metallic waveguides,” Opt. Express 12(17), 4072–4079 (2004). ... of coupled metallic nanorods for field-enhanced spectroscopy,” Phys. Rev. B 71(23) , 235420 (2005). 33. J. Ye, C. Chen, W. V. Roy, P. V. Dorpe, G. Maes, and G.


VO2 based waveguide-mode plasmonic nano- gratings for optical

“Metal-Insulator Phase Transition in a VO2 Thin Film Observed with Terahertz Spectroscopy,” Phys. Rev. B. 74(20), 205103 .... optical switching based on plasmonic nanostructures and vanadium dioxide exists in the literature. ... plasmonic waveguide mode nano-gratings allow a controllable and tunable optical switch to.

67512-VO2 based waveguide-mode plasmonic nano-gratings for optical switching_Yashna_Sharma.pdf