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About the role of phase matching between a coated microsphere and a tapered fiber: experimental study (Articolo in rivista)

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About the role of phase matching between a coated microsphere and a tapered fiber: experimental study (Articolo in rivista) (literal)

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Alternative label

Davor Risti? [1], Alphonse Rasoloniaina [2], Andrea Chiappini [1], Patrice Féron [2] Stefano Pelli [3], Gualtiero Nunzi Conti [3], Mile Ivanda [4], Giancarlo C. Righini [3,5], Gilles Cibiel [6] and Maurizio Ferrari [1] (2013)
About the role of phase matching between a coated microsphere and a tapered fiber: experimental study
in Optics express; Optical Society of America, Washington (Stati Uniti d'America)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Davor Risti? [1], Alphonse Rasoloniaina [2], Andrea Chiappini [1], Patrice Féron [2] Stefano Pelli [3], Gualtiero Nunzi Conti [3], Mile Ivanda [4], Giancarlo C. Righini [3,5], Gilles Cibiel [6] and Maurizio Ferrari [1] (literal)

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[1] IFN - CNR CSMFO Lab., Via alla Cascata 56/C Povo, 38123 Trento, Italy [2] FOTON-Systèmes Photoniques (CNRS-UMR 6082), ENSSAT, 6 rue de Kerampont, CS 80518, 22305 Lannion cedex, France [3] IFAC - CNR, MiPLab., 50019 Sesto Fiorentino, Italy [4] Institut Ru?er Bo?kovi?, Bijeni?ka cesta 54, 10000 Zagreb, Croatia [5] Museo Storico della Fisica e Centro di Studi e Ricerche \"Enrico Fermi\", Piazza del Viminale 1, 00184 Roma, Italy [6] Centre National d'Etudes Spatiales (CNES), 31401 Toulouse Cedex 9, France (literal)

Titolo

About the role of phase matching between a coated microsphere and a tapered fiber: experimental study (literal)

Abstract

Coatings of spherical optical microresonators are widely employed for different applications. Here the effect of the thickness of a homogeneous coating layer on the coupling of light from a tapered fiber to a coated microsphere has been studied. Spherical silica microresonators were coated using a 70SiO2 - 30HfO2 glass doped with 0.3 mol% Er3+ ions. The coupling of a 1480 nm pump laser inside the sphere has been assessed using a tapered optical fiber and observing the 1530-1580 nm Er3+ emission outcoupled to the same tapered fiber. The measurements were done for different coating thicknesses and compared with theoretical calculations to understand the relationship of the detected signal with the whispering gallery mode electric field profiles. (literal)

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