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WIDE-BAND TRANSMISSION OF NONDISTORTED SLOW WAVES IN ONE-DIMENSIONAL OPTICAL SUPERLATTICES

Articolo
Data di Pubblicazione:
2006
Abstract:
Few micron-thick one-dimensional optical superlattices were designed and grown, in which an optimized choice of external dielectric layers allows the formation of a wide and high transmission miniband of coupled cavity states. In such structures a reduction in light group velocity and minimal line shape distortion of propagating optical signal was observed. Group velocity reduction by a factor of 5, obtained both from phase (white-light interferometry) and from time-resolved measurements, is in reasonably good agreement with those calculated through a transfer matrix approach. Time-resolved experiments confirm the minimal line shape distortion for optical pulses of 1.8 THz bandwidth at l=1.5 um wavelength.
Tipologia CRIS:
1.1 Articolo in rivista
Keywords:
Dielectric Multilayers; Optical Microcavities; Phase Sensitive Interferometruy
Elenco autori:
Ghulinyan, M; Galli, Matteo; Toninelli, C; Bertolotti, J; Gottardo, S; Marabelli, Franco; Wiersma, Ds; Pavesi, L; Andreani, Lucio
Autori di Ateneo:
ANDREANI LUCIO
GALLI MATTEO
MARABELLI FRANCO
Link alla scheda completa:
https://iris.unipv.it/handle/11571/106172
Pubblicato in:
APPLIED PHYSICS LETTERS
Journal
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