Mid-IR heterogeneous silicon photonics

Roelkens, G.C., Dave, U.D., Gassenq, A., Hattasan, N., Hu, C., Kuyken, B., Leo, F., Malik, A., Muneeb, M., Ryckeboer, E., Uvin, S., Hens, Z., Baets, R., Shimura, Y., Gencarelli, F., Vincent, B., Loo, R., Van Campenhout, J., Cerutti, L., Rodriguez, J-B., Tournié, E., Chen, X., Nedeljković, M., Mashanovich, G., Shen, L., Healy, N., Peacock, A.C., Liu, Xiaoping, Osgood, R. and Green, W.M.J. (2014) Mid-IR heterogeneous silicon photonics. SPIE Photonics West 2014, , San Francisco, United States. 01 - 06 Feb 2014.

Abstract

In this paper we present our recent work on mid-infrared photonic integrated circuits for spectroscopic sensing applications. We discuss the use of silicon-based photonic integrated circuits (either based on silicon-on-insulator or germanium-on-silicon waveguide circuits) for this purpose and detail how a variety of optical functions in the mid-infrared besides passive waveguiding and filtering can be realized, either relying on nonlinear optics or on the integration of other materials such as GaSb-based compound semiconductors, GeSn epitaxy and PbS colloidal nanoparticles. The integration of photodetectors resulting in fully integrated mid-IR spectrometers, semiconductor laser sources and nonlinear optics based spectral translators between the telecommunication wavelength range and the mid-infrared are discussed.

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Contributors

Author: M. Nedeljković

Author: A.C. Peacock

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