Spectroscopic assessment of rare-earth activated planar waveguides and microcavities

Zampedri, L.; Tosello, C.; Portales, H.; Montagna, M.; Mattarelli, M.; Chiappini, A.; Righini, G.; Pelli, S.; NUNZI CONTI, G.; Martino, Maurizio; Portal, S.; Marques, A. C.; Almeida, R. M.; Jestin, Y.; Ferrari, M.; Chiasera, A.

doi:10.1016/j.apsusc.2005.03.022

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This paper deals with glass-based photonic structures, used to control and modify the optical and spectroscopic properties of rare earth ions. The spectroscopic assessment of sol-gel-derived planar waveguides and 1D photonic band gap structures is reported. The spectroscopic, optical, and structural properties of planar waveguides with (100-x)SiO2-xHfO(2)-yErO(1.5) with y = 0.3, 0.01; and x = 10, 20, 30, 40 have been investigated by photoluminescence and Raman spectroscopy. The radiative quantum efficiency of the I-4(13/2) metastable state of Er3+ ions is between 84 and 88% depending on the Si/Hf molar ratio. The sol-gel-derived one-dimensional cavity was realized by a EU3+-activated dielectric layer placed between distributed Bragg reflectors (DBRs).

Titolo:	Spectroscopic assessment of rare-earth activated planar waveguides and microcavities
Autori:	L. ZAMPEDRI C. TOSELLO H. PORTALES M. MONTAGNA M. MATTARELLI A. CHIAPPINI G. RIGHINI S. PELLI G. NUNZI CONTI MARTINO, Maurizio S. PORTAL A. C. MARQUES R. M. ALMEIDA Y. JESTIN M. FERRARI A. CHIASERA mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2005
Rivista:	APPLIED SURFACE SCIENCE
Abstract:	This paper deals with glass-based photonic structures, used to control and modify the optical and spectroscopic properties of rare earth ions. The spectroscopic assessment of sol-gel-derived planar waveguides and 1D photonic band gap structures is reported. The spectroscopic, optical, and structural properties of planar waveguides with (100-x)SiO2-xHfO(2)-yErO(1.5) with y = 0.3, 0.01; and x = 10, 20, 30, 40 have been investigated by photoluminescence and Raman spectroscopy. The radiative quantum efficiency of the I-4(13/2) metastable state of Er3+ ions is between 84 and 88% depending on the Si/Hf molar ratio. The sol-gel-derived one-dimensional cavity was realized by a EU3+-activated dielectric layer placed between distributed Bragg reflectors (DBRs).
Handle:	http://hdl.handle.net/11587/108493
Appare nelle tipologie:	Articolo pubblicato su Rivista

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