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Fabrication by rf-sputtering and assessment of dielectric Er3+ doped monolithic 1-D microcavity for coherent emission at 1.5 um
Author(s): Alessandro Chiasera; Francesco Scotognella; Yann Boucher; Anna Lukowiak; Davor Ristić; Giorgio Speranza; Cesare Meroni; Stefano Varas; Lidia Zur; Mile Ivanda; Stefano Taccheo; Roberta Ramponi; Giancarlo C. Righini; Maurizio Ferrari
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Paper Abstract

All Er3+ doped dielectric 1-D microcavity are fabricated by RF sputtering technique. The microcavity is composed of half wave Er3+ doped SiO2 active layer inserted, between two Bragg reflectors consisting of seven pairs of SiO2/TiO2 layers also doped with Er3+ ions. The morphology of the structure is inspected with scanning electron microscopy. Transmission measurements show the third and first order cavity resonance at 530 nm and 1535 nm, respectively. The photoluminescence measurements were obtained by optically exciting at the third order cavity resonance using 514.5 nm Ar+ laser with an excitation angle of 30°. The Full Width at Half Maximum of the emission peak at 1535 nm decrease with the pump power until the spectral resolution of the detection system of 2.3 nm. Moreover, the emission intensity presents a non-linear behavior with the pump power and a threshold at about 4 μW.

Paper Details

Date Published: 17 May 2018
PDF: 10 pages
Proc. SPIE 10683, Fiber Lasers and Glass Photonics: Materials through Applications, 106830Q (17 May 2018); doi: 10.1117/12.2306413
Show Author Affiliations
Alessandro Chiasera, CNR-Istituto di Fotonica e Nanotecnologie (Italy)
Francesco Scotognella, Politecnico di Milano (Italy)
Istituto Italiano di Tecnologia (Italy)
Yann Boucher, Institut Fonctions Optiques pour les Technologies de l'information (France)
Anna Lukowiak, Institute of Low Temperature and Structure Research (Poland)
Davor Ristić, Institut Ruder Boškovic (Croatia)
Giorgio Speranza, Fondazione Bruno Kessler (Italy)
CNR-Istituto di Fotonica e Nanotecnologie (Italy)
Cesare Meroni, Univ. degli Studi di Trento (Italy)
CNR-Istituto di Fotonica e Nanotecnologie (Italy)
Stefano Varas, CNR-Istituto di Fotonica e Nanotecnologie (Italy)
Lidia Zur, Museo Storico della Fisica e Ctr. Studi e Ricerche "Enrico Fermi" (Italy)
Fondazione Bruno Kessler (Italy)
Mile Ivanda, Institut Ruder Boškovic (Croatia)
Stefano Taccheo, Swansea Univ. (United Kingdom)
Roberta Ramponi, CNR-Istituto di Fotonica e Nanotecnologie (Italy)
Politecnico di Milano (Italy)
Giancarlo C. Righini, Museo Storico della Fisica e Ctr. Studi e Ricerche "Enrico Fermi" (Italy)
MipLab. IFAC-CNR (Italy)
Maurizio Ferrari, CNR-Istituto di Fotonica e Nanotecnologie (Italy)
Museo Storico della Fisica e Ctr. Studi e Ricerche "Enrico Fermi" (Italy)


Published in SPIE Proceedings Vol. 10683:
Fiber Lasers and Glass Photonics: Materials through Applications
Stefano Taccheo; Jacob I. Mackenzie; Maurizio Ferrari, Editor(s)

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