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Title: Perovskite polariton parametric oscillator
Authors: Wu, Jinqi
Su, Rui
Fieramosca, Antonio
Ghosh, Sanjib
Zhao, Jiaxin
Liew, Timothy C. H. 
Xiong, Qihua
Keywords: exciton-polaritons
four-wave mixing
inorganic perovskite semiconductors
parametric oscillators
Issue Date: 31-Oct-2021
Publisher: SPIE
Citation: Wu, Jinqi, Su, Rui, Fieramosca, Antonio, Ghosh, Sanjib, Zhao, Jiaxin, Liew, Timothy C. H., Xiong, Qihua (2021-10-31). Perovskite polariton parametric oscillator. Advanced Photonics 3 (5) : 55003. ScholarBank@NUS Repository.
Rights: Attribution 4.0 International
Abstract: Optical parametric oscillators (OPOs) have been widely applied in spectroscopy, squeezed light, and correlated photons, as well as quantum information. Conventional OPOs usually suffer from a high power threshold limited by weak high-order nonlinearity in traditional pure photonic systems. Alternatively, polaritonic systems based on hybridized exciton-photon quasi-particles exhibit enhanced optical nonlinearity by dressing photons with excitons, ensuring highly nonlinear operations with low power consumption. We report an on-chip perovskite polariton parametric oscillator with a low threshold. Under the resonant excitation at a range of angles, the signal at the ground state is obtained, emerging from the polariton-polariton interactions at room temperature. Our results advocate a practical way toward integrated nonlinear polaritonic devices with low thresholds. © The Authors. Published by SPIE and CLP under a Creative Commons Attribution 4.0 International License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
Source Title: Advanced Photonics
ISSN: 2577-5421
DOI: 10.1117/1.ap.3.5.055003
Rights: Attribution 4.0 International
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