Second harmonic generation in AlGaAs photonic wires using low power continuous wave light

Year: 2011

Authors: Duchesne D., Rutkowska K.A., Volatier M., Légaré F., Delprat S., Chaker M., Modotto D., Locatelli A., De Angelis C., Sorel M., Christodoulides D. N., Salamo G., Arès R., Aimez V., Morandotti R.

Autors Affiliation: INRS-EMT, 1650 Boulevard Lionel Boulet, Varennes, Québec, J3X 1S2, Canada; Faculty of Physics, Warsaw University of Technology, Warsaw, PL-00662, Poland; Dipartimento di Ingegneria dell\’Informazione, Università di Brescia, via Branze 38, Brescia, 25123, Italy; Department of Electrical and Electronic Engineering, University of Glasgow, Glasgow, G12 8QQ, Scotland; College of Optics & Photonics-CREOL & FPCE, University of Central Florida, Orlando, Florida, 32816, USA; Dept. of Physics, University of Arkansas, Fayetteville, Arkansas, 72701, USA; Centre de Recherche en Nanofabrication et en Nanocaractérisation (CRN2), Université de Sherbrooke, Sherbrooke, PQ J1K 2R1, Canada

Abstract: We report modal phase matched (MPM) second harmonic generation (SHG) in high-index contrast AlGaAs sub-micron ridge waveguides, by way of sub-mW continuous wave powers at telecommunication wavelengths. We achieve an experimental normalized conversion efficiency of similar to 14%/W/cm(2), obtained through a careful sub-wavelength design supporting both the phase matching requirement and a significant overlap efficiency. Furthermore, the weak anomalous dispersion, robust fabrication technology and possible geometrical and thermal tuning of the device functionality enable a fully integrated multi-functional chip for several critical areas in telecommunications, including wavelength (time) division multiplexing and quantum entanglement. (C)2011 Optical Society of America

Journal/Review: OPTICS EXPRESS

Volume: 19 (13)      Pages from: 12408  to: 12417

More Information: This work was supported by the FQRNT (Le Fonds Quebecois de la Recherche sur la Nature et les Technologies), the Natural Sciences and Engineering Research Council of Canada (NSERC), NSERC Strategic Projects, and the INRS. K. R. wishes to acknowledge a Marie Curie Outgoing International Fellowship (MOIF-CT-2006-039600).
DOI: 10.1364/OE.19.012408

Citations: 38
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