A two-dimensional, photonic-crystal microavity is proposed in order to achieve efficient second-harmonic generation in the third opitical communication window. The simultaneous resonance conditions of the pump beam at the fundamental frequancy and second-harmonic field generated inside the stuucture with a defect provides a considerable enhancement of the conversion efficiency. In the configuration we propose, a transverse-mangnetic (TM) polarized beam resonating at the fundamental freequancy generates a second-harmonic field corresponding to a transverse-electric (TE) polarized resonant mode. The design of this doubly resonant microactivity is carried out by a linear analysis to search for the resonance frequancies and calculate their field distrubutions. The nonlinear analysis of the second-harmonic generation is performed using a dispersive finite-difference time-domain code.
A doubly resonant photonic-crystal microcavity for second-harmonic generation / Antonucci, D.; D'Orazio, Antonella; De Ceglia, D.; De Sario, M.; Marrocco, V.; Petruzzelli, Vincenzo; Prudenzano, Francesco. - In: FIBER AND INTEGRATED OPTICS. - ISSN 0146-8030. - 26:5(2007), pp. 271-288. [10.1080/15567030701476897]
A doubly resonant photonic-crystal microcavity for second-harmonic generation
D'ORAZIO, Antonella;PETRUZZELLI, Vincenzo;PRUDENZANO, Francesco
2007-01-01
Abstract
A two-dimensional, photonic-crystal microavity is proposed in order to achieve efficient second-harmonic generation in the third opitical communication window. The simultaneous resonance conditions of the pump beam at the fundamental frequancy and second-harmonic field generated inside the stuucture with a defect provides a considerable enhancement of the conversion efficiency. In the configuration we propose, a transverse-mangnetic (TM) polarized beam resonating at the fundamental freequancy generates a second-harmonic field corresponding to a transverse-electric (TE) polarized resonant mode. The design of this doubly resonant microactivity is carried out by a linear analysis to search for the resonance frequancies and calculate their field distrubutions. The nonlinear analysis of the second-harmonic generation is performed using a dispersive finite-difference time-domain code.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.