Optical bistability and frequency combing in silicon edge defect photonic crystals

Brett Poulsen; Michael Zylstra; Jayshri Sabarinathan

doi:10.1117/12.2555888

13 April 2020 Optical bistability and frequency combing in silicon edge defect photonic crystals

Brett Poulsen, Michael Zylstra, Jayshri Sabarinathan

Proceedings Volume 11358, Nonlinear Optics and its Applications 2020; 1135806 (2020) https://doi.org/10.1117/12.2555888
Event: SPIE Photonics Europe, 2020, Online Only

Abstract

Optomechanical coupling produced by high finesse optical micro-cavities has led to a plethora of nonlinear observations in silicon photonics due to the coherent nature of the interaction. We have investigated optomechanical coupling in the dielectric-like cavity modes of photonic crystal edge defects. These structures exhibit extreme sensitivity to changes of the edge defect width, allowing for scaling of the edge length and a reduction of the optical finesse required to produce different phenomena independent of the edge width. The edge defect structures presented have relatively simpler fabrication relative to other optomechanical designs of comparable coupling strength. We report frequency combing in long linear edge defects and optical bi-stability in shorter, hexagonally coupled edge defect devices. These results indicate that photonic crystal edge defects offer an exciting platform for the development of new optomechanical devices.

Conference Presentation

Citation Download Citation

Brett Poulsen, Michael Zylstra, and Jayshri Sabarinathan "Optical bistability and frequency combing in silicon edge defect photonic crystals", Proc. SPIE 11358, Nonlinear Optics and its Applications 2020, 1135806 (13 April 2020); https://doi.org/10.1117/12.2555888

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