Periodically-Poled Silicon [Updated]

Details Periodically-Poled Silicon [Updated] Periodically-Poled Silicon [Updated]

2008-12-23

arxiv.org/abs/0812.4427v2

Appl. Phys. Lett. 94, 091116 (2009)

Physics

Optics

11 pages, 4 figures

Scientific paper

10.1063/1.3094750

We propose a new class of photonic devices based on periodic stress fields in silicon that enable second-order nonlinearity as well as quasi-phase matching. Periodically-poled silicon (PePSi) adds the periodic poling capability to silicon photonics, and allows the excellent crystal quality and advanced manufacturing capabilities of silicon to be harnessed for devices based on second-order nonlinear effects. As an example of the utility of the PePSi technology, we present simulations showing that mid-wave infrared radiation can be efficiently generated through difference frequency generation from near-infrared with a conversion efficiency of 50%. This technology can also be implemented with piezoelectric material, which offers the capability to dynamically control the X(2) nonlinearity.

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