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Dynamical electrical tuning of a silicon microsphere: used for spectral mapping of the optical resonances
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Date
2014-09-20
Author
Yüce, Emre
Gürlü, Oğuzhan
Thursby, Graham J.
Serpenguzel, Ali
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this work, electrical square pulses at various duty cycles are applied to a silicon microsphere resonator in order to continuously tune the refractive index of a silicon microsphere and to map the optical resonance in the time domain. A continuous-wave semiconductor diode laser operating in the L-band is used for the excitation of the silicon microsphere optical resonances. The 90 degrees transverse magnetically polarized elastic scattering signal is used to monitor the silicon microsphere resonances. We show that at a constant input laser wavelength, up to five high-quality-factor optical resonances can be scanned by dynamical electrical tuning of the silicon microsphere cavity. (C) 2014 Optical Society of America
Subject Keywords
Crystalline silicon
,
Wavelength
URI
https://hdl.handle.net/11511/46147
Journal
APPLIED OPTICS
DOI
https://doi.org/10.1364/ao.53.006181
Collections
Department of Physics, Article