The DOI matches its Crossref record; 21 of the 21 references it cites were found in a registry or an index.
Third order nonlinear optical property of Bi_2Se_3
Open accessAbstract
The third order nonlinear optical property of Bi₂Se₃, a kind of topological insulator (TI), has been investigated under femto-second laser excitation. The open and closed aperture Z-scan measurements were used to unambiguously distinguish the real and imaginary part of the third order optical nonlinearity of the TI. When excited at 800 nm, the TI exhibits saturable absorption with a saturation intensity of 10.12 GW/cm² and a modulation depth of 61.2%, and a giant nonlinear refractive index of 10⁻¹⁴ m²/W, almost six orders of magnitude larger than that of bulk dielectrics. This finding suggests that the TI:Bi₂Se₃ is indeed a promising nonlinear optical material and thus can find potential applications from passive laser mode locker to optical Kerr effect based photonic devices.
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Topological insulators in Bi2Se3, Bi2Te3 and Sb2Te3 with a single Dirac cone on the surface
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Self-citationAtomic‐Layer Graphene as a Saturable Absorber for Ultrafast Pulsed Lasers
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Self-citationGraphene Mode-Locked Ultrafast Laser
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Third-order nonlinearities in silicon at telecom wavelengths
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Z-scan measurement of the nonlinear refractive index of graphene
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Self-citationUltra-short pulse generation by a topological insulator based saturable absorber
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Metadata
- Authors
- Lu, S., Zhao, C., Zou, Y., Chen, S., Chen, Y., Li, Y., Zhang, H., Wen, S., & Tang, D.
- Venue
- Optics Express
- Publisher
- Optica Publishing Group
- Published
- 2013-01-18
- Volume
- 21
- Issue
- 2
- Pages
- 2072
- ISSN
- 1094-4087 (ISSN-L)
- OpenAlex
- W2023514611
- Cited by
- 288
- References
- 21
- FWCI
- 22.50
- Type
- journal article
- Language
- en
- Open access
- gold
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