Title :
Second harmonic generation of cascaded four-wave mixing
Author :
Arismar Cerqueira, S. ; Marconi, J.D. ; Fragnito, H.L. ; Cruz, F.C.
Author_Institution :
Fac. de Tecnol., Univ. Estadual de Campinas (UNICAMP), Limeira, Brazil
Abstract :
It has been generated a 200-nm optical frequency comb at 1.5 ¿m by injecting two single-frequency lasers into highly nonlinear fibers by means of full nonlinear conversion into its second harmonic. Combs of optical frequencies with 100-nm (~48 THz) bandwidths, centered at 790-800 nm and spaced by 0.8-1 nm (380-470 GHz) have been produced by second harmonic and multiple sum frequency generation simply by focusing into a 2-mm long nonlinear BIBO crystal. Conventional birefringence phase matching has been used in normal incidence configuration without tilting the crystal.
Keywords :
birefringence; bismuth compounds; multiwave mixing; optical harmonic generation; optical self-focusing; BiB3O6; birefringence phase matching; cascaded four wave mixing; frequency 380 GHz to 470 GHz; multiple sum frequency generation; nonlinear BIBO crystal; nonlinear fibers; optical focusing; optical frequency comb; second harmonic generation; two single-frequency lasers; wavelength 200 nm; Bandwidth; Fiber lasers; Fiber nonlinear optics; Four-wave mixing; Frequency conversion; Nonlinear optics; Optical frequency conversion; Optical harmonic generation; Optical mixing; Quantum cascade lasers; Second harmonic generation; broadband source; four-wave mixing; frequency comb;
Conference_Titel :
Microwave and Optoelectronics Conference (IMOC), 2009 SBMO/IEEE MTT-S International
Conference_Location :
Belem
Print_ISBN :
978-1-4244-5356-6
Electronic_ISBN :
1679-4389
DOI :
10.1109/IMOC.2009.5427472
