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Journal Article
Printed Nanolaser on Silicon
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- Authors
- Jungmin Lee, Indra Karnadi, Jin Tae Kim, Yong-Hee Lee, Myung-Ki Kim
- Issue Date
- 2017-08
- Citation
- ACS Photonics, v.4, no.9, pp.2117-2123
- ISSN
- 2330-4022
- Publisher
- American Chemical Society(ACS)
- Language
- English
- Type
- Journal Article
- Abstract
- We propose and demonstrate a direct integration of a wavelength-scale III-V nanolaser onto a silicon-on-insulator (SOI) waveguide. By employing high-precision microtransfer printing techniques, with an optimally designed photonic crystal nanolaser structure, we experimentally achieved a coupling efficiency of 83% between the InGaAsP nanobeam laser and the SOI waveguide. Our III-V nanobeam laser is designed as an asymmetric one-dimensional photonic crystal cavity, which allows unidirectional coupling to the combined III-V nanobeam waveguide with high efficiency. Through the compact vertical coupler in the region where the III-V and SOI waveguides overlap at the optimal length of 3.2 μm, 88% of the light from the printed III-V nanolaser can theoretically be coupled to a vertically integrated SOI waveguide.
- KSP Keywords
- Direct integration, III-V, One-dimensional photonic crystal, SOI waveguide, Silicon On Insulator(SOI), Unidirectional coupling, coupling efficiency, high efficiency, high-precision, microtransfer printing, optimal length