Photonic bandgap structures in planar nonlinear waveguides: application to second harmonic generation

Devid Pezzetta; Concita Sibilia; Mario Bertolotti; Joseph W. Haus; Michael Scalora; Mark J. Bloemer; Charles M. Bowden

doi:10.1117/12.426794

15 May 2001 Photonic bandgap structures in planar nonlinear waveguides: application to second harmonic generation

Devid Pezzetta, Concita Sibilia, Mario Bertolotti, Joseph W. Haus, Michael Scalora, Mark J. Bloemer, Charles M. Bowden

Proceedings Volume 4277, Integrated Optics Devices V; (2001) https://doi.org/10.1117/12.426794
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

Abstract

Second harmonic generation (SHG) in planar nonlinear waveguides is investigated under conditions for which the use of a linear grating fabricate don top of the waveguide reproduces a photonic band-gap structure. The fundamental mode of the guide, at the fundamental frequency, is tuned at the photonic band edge resonance thus experiencing a great confinement and enhancement of the electromagnetic field inside the structure. The linear grating alone is however not able to produce both field confinement and phase- matching of the SHG process. Phase-matching is obtained by an additional modulation of the non linear susceptibility (chi) ⁽²), as in the conventional quasi-phase-matching scheme. The conversion efficiency achieved using both linear and nonlinear gratings is orders of magnitude greater than that of a quasi-phase-matched device of the same length.

Citation Download Citation

Devid Pezzetta, Concita Sibilia, Mario Bertolotti, Joseph W. Haus, Michael Scalora, Mark J. Bloemer, and Charles M. Bowden "Photonic bandgap structures in planar nonlinear waveguides: application to second harmonic generation", Proc. SPIE 4277, Integrated Optics Devices V, (15 May 2001); https://doi.org/10.1117/12.426794

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