Title :
Signal generation by optical mixing in feedback semiconductor optical amplifiers
Author :
Bordonalli, Aldário C. ; Guimarães, Joselan A. ; Benitez, Jeferson L. ; Conforti, Evandro ; Gallep, Cristiano M.
Author_Institution :
Fac. of Electr. & Comput. Eng., Univ. Estadual de Campinas, Sao Paulo, Brazil
fDate :
6/23/1905 12:00:00 AM
Abstract :
The gain-crossed property of semiconductor optical amplifiers is experimentally investigated. Due to saturation, the amplifier gain mechanism is altered, leading to an optical mixing effect that causes the frequency components of optical signals to be mutually exchanged. It was observed that optical feedback saturated amplifiers could achieve similar performance as that of cascaded amplifiers, offering up to 10 dB gain to two 8-nm-spacing modulated optical carriers. For carriers modulated at 250 MHz and 400 MHz, the optical mixing effect produced up and down-converted electronic components at 150 and 650 MHz, respectively.
Keywords :
feedback amplifiers; microwave photonics; optical modulation; semiconductor optical amplifiers; 10 dB; 150 MHz; 650 MHz; amplifier gain mechanism; down-converted electronic components; feedback semiconductor optical amplifiers; gain-crossed property; microwave photonics; modulated optical carriers; optical mixing; up-converted electronic components; Frequency; Optical amplifiers; Optical devices; Optical feedback; Optical mixing; Optical modulation; Optical saturation; Semiconductor optical amplifiers; Signal generators; Stimulated emission;
Conference_Titel :
Microwave and Optoelectronics Conference, 2001. IMOC 2001.Proceedings of the 2001 SBMO/IEEE MTT-S International
Print_ISBN :
0-7803-7065-1
DOI :
10.1109/SBMOMO.2001.1008730
