Scientific Results

Experimental evidence of slow spiking rate in a semiconductor laser by electro-optical feedback: generation and control

Year: 2010

Authors: Abdalah S., Al-Naimee K., Meucci R., Al-Muslet N., Arecchi F.T.

Autors Affiliation: CNR – Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125, Florence, Italy;
Laser Institute, Sudan University of Science and Technology, Khartoum, Sudan;
Dipartimento di Fisica, Università di Firenze, INFN, Sezione di Firenze
Via Sansone 1, I-50019 Sesto Fiorentino (FI), Italy

Abstract: We report on experimental evidence of generation and control of low spiking events in a semiconductor laser.
An experiment has been carried on a semiconductor laser with an electro-optic feedback, set in a parameter range where chaos occurs. The feedback is modulated by 1 kHz and 10 kHz, frequencies, 50mV amplitudes. The dependence of the injected current on the feedback fraction is observed.

Journal/Review:

Volume: 2 (2)      Pages from: 170  to: 175

KeyWords: chaos; feedback; control

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