4.6 Article

Periodically poled silicon

Journal

APPLIED PHYSICS LETTERS
Volume 94, Issue 9, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.3094750

Keywords

elemental semiconductors; optical frequency conversion; optical phase matching; photonic crystals; silicon

Funding

  1. DARPA

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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 midwave infrared radiation can be efficiently generated through difference frequency generation from near-infrared with a conversion efficiency of 50%.

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