Switching the Nonparametric Optical Nonlinearity of Tungsten Oxide by Electrical Modulation
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Li, Hui; Hou, Ruipeng; Sun, Yanhui; Diao, Mengjuan; Liang, Ying; Chen, Xin; Huang, Zhipeng; Wang, Jun; Humphrey, Mark; Yu, Zhiyang; Zhang, Chi
Description
This work shows the electrical switching of the nonparametric optical nonlinearity of tungsten oxide (WO ). The sign and magnitude of the effective nonlinear absorption coefficient (β ) can be modulated via application of an external bias. With laser excitation at 1030 nm, WO shows a relatively large saturable absorption (SA) under an applied voltage (V ) of −2.5 V, with β being as large as −632 cm GW , while reverse saturable absorption (RSA) is found for V larger than −1.5 V. The...[Show more]
Collections | ANU Research Publications |
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Date published: | 2021 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/276262 |
Source: | Advanced Optical Materials |
DOI: | 10.1002/adom.202002188 |
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Advanced Optical Materials - 2021 - Li - Switching the Nonparametric Optical Nonlinearity of Tungsten Oxide by Electrical.pdf | 1.29 MB | Adobe PDF | Request a copy |
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