Transmission properties of ultra-short pulses propagating through 1-D photonic crystals (PCs) with multiple cavities were experimentally investigated. Coupling between cavities is responsible for a wide resonance, inside the PC gap, suitable to distortion free propagation of 70 fs pulses at 800 nm. Geometry induced anomalous dispersion across the resonance allows chirp compensation of 70 fs pulses. We use an autocorrelator set-up in order to investigate chirp compensation effect by measuring the time duration of input and output pulses. Measurements are performed for different incidence angle. Results show that complete chirp compensation of 10 fs chirping occurs for an incidence angle of 20 deg.
Chirping compensation of femtosecond pulses by using 1-D photonic crystals anomalous dispersion / Belardini, Alessandro; A., Bosco; Leahu, Grigore; Centini, Marco; Fazio, Eugenio; Sibilia, Concetta; Bertolotti, Mario; S., Zhukovsky; S. V., Gaponenko. - 6182:(2006), p. 61821N. (Intervento presentato al convegno Photonic Crystal Materials and Devices III (i.e. V) tenutosi a Strasbourg nel 3 April 2006 through 6 April 2006) [10.1117/12.662891].
Chirping compensation of femtosecond pulses by using 1-D photonic crystals anomalous dispersion
BELARDINI, ALESSANDRO;LEAHU, GRIGORE;CENTINI, MARCO;FAZIO, Eugenio;SIBILIA, Concetta;BERTOLOTTI, Mario;
2006
Abstract
Transmission properties of ultra-short pulses propagating through 1-D photonic crystals (PCs) with multiple cavities were experimentally investigated. Coupling between cavities is responsible for a wide resonance, inside the PC gap, suitable to distortion free propagation of 70 fs pulses at 800 nm. Geometry induced anomalous dispersion across the resonance allows chirp compensation of 70 fs pulses. We use an autocorrelator set-up in order to investigate chirp compensation effect by measuring the time duration of input and output pulses. Measurements are performed for different incidence angle. Results show that complete chirp compensation of 10 fs chirping occurs for an incidence angle of 20 deg.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
