We have developed a reliable RF sputtering techniques allowing to fabricate glass-based one dimensional microcavities, with high quality factor. This property is strongly related to the modification of the density of states due to the confinement of the gain medium in a photonic band gap structure. In this short review we present some of the more recent results obtained by our team exploiting these 1D microcavities. In particular we present: (1) Er3+ luminescence enhancement of the 4I13/2 → 4I15/2 transition; (2) broad band filters based on disordered 1-D photonic structures; (3) threshold defect-mode lasing action in a hybrid structure.

Glass-based 1-D dielectric microcavities / Chiasera, A.; Scotognella, F.; Valligatla, S.; Varas, S.; Jasieniak, J.; Criante, L.; Lukowiak, A.; Ristic, D.; Goncalves, R. R.; Taccheo, S.; Ivanda, M.; Righini, G. C.; Ramponi, R.; Martucci, A.; Ferrari, M.. - In: OPTICAL MATERIALS. - ISSN 0925-3467. - STAMPA. - 61:(2016), pp. 11-14. [10.1016/j.optmat.2016.04.014]

Glass-based 1-D dielectric microcavities

Taccheo S.;
2016

Abstract

We have developed a reliable RF sputtering techniques allowing to fabricate glass-based one dimensional microcavities, with high quality factor. This property is strongly related to the modification of the density of states due to the confinement of the gain medium in a photonic band gap structure. In this short review we present some of the more recent results obtained by our team exploiting these 1D microcavities. In particular we present: (1) Er3+ luminescence enhancement of the 4I13/2 → 4I15/2 transition; (2) broad band filters based on disordered 1-D photonic structures; (3) threshold defect-mode lasing action in a hybrid structure.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11583/2867142