Polarization behavior of elastic scattering from a silicon microsphere coupled to an optical fiber

Date

2014-04-01

Author

Murib, Mohammed Sharif
Yüce, Emre
Gürlü, Oğuzhan
Serpenguzel, Ali

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

99
views

0
downloads

The polarization behavior of elastic scattering at 1473 nm is analyzed from a silicon microsphere on an optical fiber half-coupler. The 0.27 nm angular mode spacing of the resonances correlates well with the optical size of the silicon sphere. The spectral linewidths of the resonances are on the order of 10(-3) nm, which corresponds to quality factors on the order of 10(6). The transverse magnetically polarized elastic scattering signal has higher resonance to modulation depth and background ratio than the transverse electrically polarized elastic scattering signal and is suitable for high-resolution optical filtering applications such as optical monitoring and sensing. (C) 2014 Chinese Laser Press

Subject Keywords

Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials

URI

https://hdl.handle.net/11511/48408

Journal

PHOTONICS RESEARCH

DOI

https://doi.org/10.1364/prj.2.000045

Collections

Department of Physics, Article

Suggestions

OpenMETU
Core

Optical Modulation With Silicon Microspheres Yüce, Emre; Serpenguzel, Ali (Institute of Electrical and Electronics Engineers (IEEE), 2009-10-15) In this letter, a silicon microsphere coupled to a silica optical fiber half coupler has been characterized for electrooptical modulation in the L-band at 1.55 mu m. Electrooptical modulation of the transmitted and the 90 degrees elastic scattered signals for both the TE and the TM polarizations of the microsphere resonances has been observed.
Bismuth plasmonics for extraordinary light absorption in deep sub-wavelength geometries Ozbay, Imre; Ghobadi, Amir; BÜTÜN, BAYRAM; Sayan, Gönül (The Optical Society, 2020-02-01) In this Letter, we demonstrate an ultra-broadband metamaterial absorber of unrivaled bandwidth (BW) using extraordinary optical response of bismuth (Bi), which is the material selected through our novel analysis. Based on our theoretical model, we investigate the maximum metal- insulator-metal (MIM) cavity BW, achievable by any metal with known n-k data. We show that an ideal metal in such structures should have a positive real permittivity part in the near-infrared (NIR) regime. Contrary to noble and lossy...
Fluorescence excitation by enhanced plasmon upconversion under continuous wave illumination Taşgın, Mehmet Emre; Salakhutdinov, Ildar; Kendziora, Dania; Abak, Musa Kurtuluş; Turkpence, Deniz; Piantanida, Luca; Fruk, Ljiljana; Lazzarino, Marco; Bek, Alpan (Elsevier BV, 2016-09-01) We demonstrate effective background-free continuous wave nonlinear optical excitation of molecules that are sandwiched between asymmetrically constructed plasmonic gold nanoparticle clusters. We observe that near infrared photons are converted to visible photons through efficient plasmonic second harmonic generation. Our theoretical model and simulations demonstrate that Fano resonances may be responsible for being able to observe nonlinear conversion using a continuous wave light source. We show that nonli...
Temperature -dependent optical and electrical characterization of Cu-Ga-S thin films and their diode characteristics on n-Si Gullu, H. H.; Isik, M.; Hasanlı, Nızamı; Parlak, Mehmet (Elsevier BV, 2020-04-01) In this paper, optical and electrical properties of thermally deposited Cu-Ga-S thin films were investigated using temperature-dependent optical transmission and electrical conductivity measurements. The analysis of the transmission spectra resulted in formation of three direct optical transitions due to the possible valence band splitting in the structure. The band gap values were calculated by means of absorption coefficient and incident photon energy was found in decreasing behavior as the temperature ri...
Correlation between optical path modulations and transmittance spectra of a-Si : H thin films Akaoglu, B; Atilgan, I; Katircioglu, B (The Optical Society, 2000-04-01) The optical constants of plasma-enhanced chemical-vapor-deposited amorphous silicon (a-Si:H) thin film upon a transparent substrate are determined within the UV-visible region by measurement of the transmittance spectrum. Apart from thickness irregularities, the effects of vertical film inhomogeneities (refractive-index distribution) on the spectrum are discussed. In this respect, although consideration of any possible variation in thickness of the film within the area illuminated by the probe beam is suffi...

Citation Formats

M. S. Murib, E. Yüce, O. Gürlü, and A. Serpenguzel, “Polarization behavior of elastic scattering from a silicon microsphere coupled to an optical fiber,” PHOTONICS RESEARCH, pp. 45–50, 2014, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/48408.