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Proceedings Paper

Optical feedback on whispering gallery mode laser: wavelength shifts in erbium-doped microspherical laser
Author(s): Patrice Feron; Carole Arnaud; Mohamed Boustimi; Gualtiero Nunzi-Conti; Giancarlo C. Righini; Michel Mortier
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Paper Abstract

Er3+ / Yb3+ co-doped phosphate glass and Er3+ : ZBLALiP fluoride glass microsphere lasers have been studied under pumping by a fiber taper at 1480 nm. Whispering Gallery Mode laser spectra were analyzed for different sphere diameters. Red-shift effect on the wavelengths of both fluorescence and laser spectra is experimentally observed when the pump power is increased, originating from thermal effects. We showed coupling effect between microspherical laser and an external cavity made by a metallic mirror. We observed line shift to lower wavelengths due to optical feedback effect.

Paper Details

Date Published: 18 August 2004
PDF: 11 pages
Proc. SPIE 5451, Integrated Optics and Photonic Integrated Circuits, (18 August 2004); doi: 10.1117/12.549903
Show Author Affiliations
Patrice Feron, Lab. d'Optronique/CNRS (France)
Ecole Nationale Superieure des Sciences Appliquees et de Technologie (France)
Carole Arnaud, Lab. d'Optronique/CNRS (France)
Ecole Nationale Superieure des Sciences Appliquees et de Technologie (France)
Mohamed Boustimi, Lab. d'Optronique/CNRS (France)
Ecole Nationale Superieure des Sciences Appliquees et de Technologie (France)
Gualtiero Nunzi-Conti, Istituto di Fisica Applicata Nello Carrara/CNR (Italy)
Giancarlo C. Righini, Istituto di Fisica Applicata Nello Carrara/CNR (Italy)
Michel Mortier, Lab. de Chimie Appliquee de l'Etat Solide/CNRS (France)
Ecole Nationale Superieure de Chimie de Paris (France)


Published in SPIE Proceedings Vol. 5451:
Integrated Optics and Photonic Integrated Circuits
Giancarlo C. Righini; Seppo Honkanen, Editor(s)

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