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Nanopillar array band-edge laser cavities on silicon-on-insulator for monolithic integrated light sources

Lee, Wook-Jae, Kim, Hyunseok, Farrell, Alan C., Senanayake, Pradeep and Huffaker, Diana L. 2016. Nanopillar array band-edge laser cavities on silicon-on-insulator for monolithic integrated light sources. Applied Physics Letters 108 (8) , 081108. 10.1063/1.4942777

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Abstract

A simple and unique laser scheme comprised of a finite-size nanopillar array on a silicon-on-insulator grating layer is introduced for realizing an on-chip monolithically integrated light source. A photonic band-edge mode, confined by the grating substrate in the vertical direction, shows a quality factor as high as 4000. We show that the proposed laser cavity allows direct coupling into a waveguide, which is essential for monolithic integration. In addition, III-V semiconductornanopillars are grown on a silicon-on-insulator grating substrate in order to demonstrate the feasibility of epitaxy on 3D surfaces. These results provide a practical solution for on-chip integration of a monolithic light source.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Engineering
Physics and Astronomy
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Publisher: American Institute of Physics
ISSN: 0003-6951
Funders: AFOSR (FA9550-15-1-0324), NSF (DMR-1309137), MDA (HQ0147-14-C-7011)
Date of Acceptance: 13 February 2016
Last Modified: 10 Oct 2017 17:05
URI: http://orca.cf.ac.uk/id/eprint/89707

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