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Femtosecond laser excitation of the semiconductor-metal phase transition in VO2
Abstract
We have measured the subpicosecond optical response of a solid-state, semiconductor-to-metal phase transition excited by femtosecond laser pulses. We have determined the dynamic response of the complex refractive index of VO2 thin films by making pump-probe optical transmission and reflection measurements at 780 nm. The phase transition was found to be largely prompt with the optical properties of the high-temperature metallic state being attained within 5 ps. The ultrafast change in complex refractive index enables ultrafast optical switching devices in VO2.
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Cites
Compression of amplified chirped optical pulses
Strickland, D., & Mourou, G. (1985) · Optics Communications · doi:10.1016/0030-4018(85)90120-8 · Cited by 3,937
Cited by
Oxide Electronics Utilizing Ultrafast Metal-Insulator Transitions
Yang, Z., Ko, C., & Ramanathan, S. (2011) · Annual Review of Materials Research · doi:10.1146/annurev-matsci-062910-100347 · Cited by 1,020
Jager, M. F., Ott, C., Kraus, P. M., Kaplan, C. J., Pouse, W., Marvel, R. E., Haglund, R. F., Neumark, D. M., & Leone, S. R. (2017) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1707602114 · Cited by 164
Metadata
- Authors
- Becker, M. F., Buckman, A. B., Walser, R. M., Lépine, T., Georges, P., & Brun, A.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 1994-09-19
- Volume
- 65
- Issue
- 12
- Pages
- 1507-1509
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2018581635
- Cited by
- 266
- References
- 1
- FWCI
- 2.02
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Femtosecond laser excitation of the semiconductor-metal phase transition in VO2. https://app.cochat.ai/papers/10.1063/1.112974
- The paper
- Becker, M. F., Buckman, A. B., Walser, R. M., Lépine, T., Georges, P., & Brun, A. (1994). Femtosecond laser excitation of the semiconductor-metal phase transition in VO2. Applied Physics Letters. https://doi.org/10.1063/1.112974
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