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Proceedings Paper

Long period gratings based frequency selective interrogation of micro-resonators along the same fiber
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Paper Abstract

A novel optical fiber coupler to whispering gallery mode (WGM) micro-resonators, which allows frequency selective addressing of different micro-resonators along the same fiber, is proposed. The coupling unit is based on a pair of identical long period fiber gratings (LPGs) and a thick adiabatic taper (>15 μm in waist) in between, where evanescent coupling from cladding modes to WGMs takes place. This robust unit can be replicated more times along the same fiber, simply cascading LPGs with different bands. Independent addressing of two different resonators along the same fiber is demonstrated.

Paper Details

Date Published: 22 April 2016
PDF: 6 pages
Proc. SPIE 9727, Laser Resonators, Microresonators, and Beam Control XVIII, 972703 (22 April 2016); doi: 10.1117/12.2213706
Show Author Affiliations
D. Farnesi, Museo Storico della Fisica e Ctr. Studi e Ricerche "Enrico Fermi" (Italy)
Istituto di Fisica Applicata "Nello Carrara" (Italy)
F. Chiavaioli, Istituto di Fisica Applicata "Nello Carrara" (Italy)
F. Baldini, Istituto di Fisica Applicata "Nello Carrara" (Italy)
F. Cosi, Istituto di Fisica Applicata "Nello Carrara" (Italy)
G. C. Righini, Museo Storico della Fisica e Ctr. Studi e Ricerche "Enrico Fermi" (Italy)
Istituto di Fisica Applicata "Nello Carrara" (Italy)
S. Soria, Istituto di Fisica Applicata "Nello Carrara" (Italy)
C. Trono, Istituto di Fisica Applicata "Nello Carrara" (Italy)
G. Nunzi Conti, Istituto di Fisica Applicata "Nello Carrara" (Italy)


Published in SPIE Proceedings Vol. 9727:
Laser Resonators, Microresonators, and Beam Control XVIII
Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko, Editor(s)

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