Microfiber-Lithium Niobate on Insulator Hybrid Waveguides for Efficient and Reconfigurable Second-Order Optical Nonlinearity on a Chip
1
Department of Physics, University of Bath, Bath BA2 7AY, UK
2
Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
*
Author to whom correspondence should be addressed.
Photonics 2015, 2(3), 946-956; https://doi.org/10.3390/photonics2030946
Received: 18 July 2015 / Accepted: 2 September 2015 / Published: 9 September 2015
(This article belongs to the Special Issue Hybrid and Heterogeneous Technologies in Photonics Integrated Circuits)
We present an optical microfiber-lithium niobate on insulator (MF-LNOI) hybrid waveguide for efficient second-order nonlinear processes. The structure combines the advantages of low-loss fiber and high-nonlinearity waveguide systems. We demonstrate the possibility of phase matching between fundamental and second harmonics in a wide spectral and dimensional range, and efficient second harmonic generation over sub-millimeter propagation distances, both of which are very attractive for high-density on-chip integration.
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Keywords:
nonlinear optics; parametric processes; frequency conversion
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MDPI and ACS Style
Gorbach, A.V.; Ding, W. Microfiber-Lithium Niobate on Insulator Hybrid Waveguides for Efficient and Reconfigurable Second-Order Optical Nonlinearity on a Chip. Photonics 2015, 2, 946-956.
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