Light coupling and routing using a microsphere attached on the endface of a microstructured optical fiber

Maria Georgia Konstantinou; Karolina Milenko; Kyriaki Kosma; Walter Margulis; Stavros Pissadakis

doi:10.1117/12.2230695

27 April 2016 Light coupling and routing using a microsphere attached on the endface of a microstructured optical fiber

Maria Georgia Konstantinou, Karolina Milenko, Kyriaki Kosma, Walter Margulis, Stavros Pissadakis

Proceedings Volume 9886, Micro-Structured and Specialty Optical Fibres IV; 98860I (2016) https://doi.org/10.1117/12.2230695
Event: SPIE Photonics Europe, 2016, Brussels, Belgium

Abstract

Herein, we demonstrated a T-shaped whispering gallery modes (WGMs) excitation system including a tapered single mode fiber (SMF), a tapered microstructured optical fiber (MOF) and a BaTiO₃ microsphere for efficient light coupling and routing between the two fibers. The BaTiO₃ microsphere is semi-immersed into the capillary of a tapered MOF, while the tapered SMF is placed perpendicularly to MOF in a contact with equatorial region of the microsphere. Based on that, three channels joined by the microsphere are formed, and excitation and measurement of WGMs is possible either using the SMF or the MOF taper. The measured WGMs spectra reveal light routing along Q-factors between 4500 and 6100, along with scattering signal with all three fiber ports and parities.

Citation Download Citation

Maria Georgia Konstantinou, Karolina Milenko, Kyriaki Kosma, Walter Margulis, and Stavros Pissadakis "Light coupling and routing using a microsphere attached on the endface of a microstructured optical fiber", Proc. SPIE 9886, Micro-Structured and Specialty Optical Fibres IV, 98860I (27 April 2016); https://doi.org/10.1117/12.2230695

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