Femtosecond laser direct writing of gratings and waveguides in high quantum efficiency erbium-doped Baccarat glass (Articolo in rivista)

Type
Label
  • Femtosecond laser direct writing of gratings and waveguides in high quantum efficiency erbium-doped Baccarat glass (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0022-3727/42/20/205106 (literal)
Alternative label
  • K. C. Vishnubhatla, S. Venugopal Rao, R. Sai Santosh Kumar, R. Osellame, S.N.B. Bhaktha, S. Turrell, A. Chiappini, A. Chiasera, M. Ferrari, M. Mattarelli, M. Montagna, R. Ramponi, G.C. Righini and D. Narayana Rao (2009)
    Femtosecond laser direct writing of gratings and waveguides in high quantum efficiency erbium-doped Baccarat glass
    in Journal of physics. D, Applied physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • K. C. Vishnubhatla, S. Venugopal Rao, R. Sai Santosh Kumar, R. Osellame, S.N.B. Bhaktha, S. Turrell, A. Chiappini, A. Chiasera, M. Ferrari, M. Mattarelli, M. Montagna, R. Ramponi, G.C. Righini and D. Narayana Rao (literal)
Pagina inizio
  • 205106-1 (literal)
Pagina fine
  • 205106-6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 42 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 20 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • School of Physics, University of Hyderabad, Hyderabad 500046, India; Dipartimento di Fisica, CSMFO Lab., Universit di Trento, 38050 Trento, Italy; CNR-IFN, CSMFO Lab., Via alla Cascata 56/c, 38050 Povo-Trento, Italy; IFN - CNR and Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci, 32, 20133 Milano, Italy; ACRHEM, University of Hyderabad, Hyderabad 500046, India; Université des Sciences et Technologies de Lille, Laboratoire de Spectrochimie Infrarouge et Raman, Bâtiment C5 - UMR CNRS 8516, 59655 Villeneuve d'Ascq cedex, France; CNR-IFAC, MDF Lab., Sesto Fiorentino (Firenze), Italy; CNR, Department of Materials and Devices, via dei Taurini 19, 00185 Roma, Italy (literal)
Titolo
  • Femtosecond laser direct writing of gratings and waveguides in high quantum efficiency erbium-doped Baccarat glass (literal)
Abstract
  • The femtosecond laser direct writing technique was employed to inscribe gratings and waveguides in high quantum efficiency erbium-doped Baccarat glass. Using the butt coupling technique, a systematic study of waveguide loss with respect to input pulse energy and writing speed was performed to achieve the best waveguide with low propagation loss (PL). By pumping at 980 nm, we observed signal enhancement in these active waveguides in the telecom spectral region. The refractive index change was smooth and we estimated it to be ~10 -3. The high quantum efficiency (~80%) and a best PL of ~0.9 dB cm-1 combined with signal enhancement makes Baccarat glass a potential candidate for application in photonics. (literal)
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