Bright Second Harmonic Emission from Photonic Crystal Vertical Cavity
Source abstract
Abstract
Abstract This study presents photonic vertical cavities consisting of nonlinear materials embedded in photonic crystals (PhCs) for resonantly enhancing second harmonic generation (SHG). Previous attempts at SHG in such structures have been limited to efficiencies of 10−7 to 10−5, but a high SHG efficiency of 0.28% by constructing a vertical cavity with a lithium niobate membrane placed between two PhCs is demonstrated, which exhibits high‐quality resonances. The results open up new possibilities for compact laser frequency converters that can have a revolutionary impact on the fields of nonlinear optics and photonics.
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Research context
OpenAlex topics: Photorefractive and Nonlinear Optics · Photonic Crystals and Applications · Photonic and Optical Devices
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
The Key Laboratory of Weak‐Light Nonlinear Photonics Ministry of Education School of Physics and TEDA Applied Physics Institute Nankai University Tianjin 300071 People's Republic of China
Tianjin Key Laboratory of Optical Thin Film Tianjin Jinhang Technical Physics Institute Tianjin 300080 People's Republic of China
Collaborative Innovation Center of Extreme Optics Shanxi University Taiyuan Shanxi 030006 People's Republic of China
Funding
National Key Research and Development Program of China · National Natural Science Foundation of China · China Postdoctoral Science Foundation · Higher Education Discipline Innovation Project · Fundamental Research Funds for the Central Universities
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