DOI: 10.1063/1.112974. Femtosecond laser excitation of the semiconductor-metal phase transition in VO2

Femtosecond laser excitation of the semiconductor-metal phase transition in VO2

10.1063/1.112974

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

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.

Bibliography

Becker, M. F., Buckman, A. B., Walser, R. M., LÃ©pine, T., Georges, P., & Brun, A. (1994). Femtosecond laser excitation of the semiconductor-metal phase transition in VO2. Applied Physics Letters, 65(12), 1507â1509.

Authors 6

Michael F. Becker (first)
A. Bruce Buckman (additional)
Rodger M. Walser (additional)
Thierry Lépine (additional)
Patrick Georges (additional)
Alain Brun (additional)

References 13 Referenced 223

{'key': '2024020307502973000_r1'}
10.1126/science.258.5083.770 / Science (1992)
{'key': '2024020307502973000_r3'}
10.1016/0038-1098(71)90144-X / Solid State Commun. (1971)
{'key': '2024020307502973000_r5'}
{'key': '2024020307502973000_r6'}
{'key': '2024020307502973000_r7', 'first-page': '430', 'volume': '34', 'year': '1982', 'journal-title': 'JETP Lett.'} / JETP Lett. (1982)
{'key': '2024020307502973000_r8', 'first-page': '887', 'volume': '26', 'year': '1984', 'journal-title': 'Sov. Phys. Solid State'} / Sov. Phys. Solid State (1984)
{'key': '2024020307502973000_r9'}
10.1103/PhysRev.172.788 / Phys. Rev. (1968)
10.1117/12.174076 / Proc. SPIE (1994)
10.1364/OL.16.000324 / Opt. Lett. (1991)
10.1016/0030-4018(85)90120-8 / Opt. Commun. (1985)

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:38 a.m.)
Deposited	1 year, 7 months ago (Feb. 3, 2024, 2:50 a.m.)
Indexed	1 month, 1 week ago (July 23, 2025, 8:57 a.m.)
Issued	30 years, 11 months ago (Sept. 19, 1994)
Published	30 years, 11 months ago (Sept. 19, 1994)
Published Print	30 years, 11 months ago (Sept. 19, 1994)

Funders 0

None

BibTeX

@article{Becker_1994, title={Femtosecond laser excitation of the semiconductor-metal phase transition in VO2}, volume={65}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.112974}, DOI={10.1063/1.112974}, number={12}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Becker, Michael F. and Buckman, A. Bruce and Walser, Rodger M. and Lépine, Thierry and Georges, Patrick and Brun, Alain}, year={1994}, month=sep, pages={1507–1509} }

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