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Proceedings Paper

Excitonic bistability of GaAs/Ga0.7Al0.3As ridged waveguides
Author(s): Vittorio Pellegrini; Francesco Fuso; Ennio Arimondo
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Paper Abstract

Transmission of dye laser light pulses through GaAs/Ga0.7Al0.3As ridged waveguides, with propagation parallel to the Multiple Quantum Wells (MQW) layer, was investigated. Single-mode optical fibers have been used both to deliver light into the waveguides and to collect the transmitted pulses. The obtained results show the appearance of bistable cycles for input intensities above 300 kW/cm2. Room temperature fluorescence was also investigated under 6328 angstrom irradiation observing HH1 and LH1 transitions.

Paper Details

Date Published: 19 November 1993
PDF: 8 pages
Proc. SPIE 1985, Physical Concepts and Materials for Novel Optoelectronic Device Applications II, (19 November 1993); doi: 10.1117/12.162774
Show Author Affiliations
Vittorio Pellegrini, Univ. di Pisa (Italy)
Francesco Fuso, Univ. di Pisa (Italy)
Ennio Arimondo, Univ. di Pisa (Italy)


Published in SPIE Proceedings Vol. 1985:
Physical Concepts and Materials for Novel Optoelectronic Device Applications II
Fabio Beltram; Erich Gornik, Editor(s)

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