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Observation of intense second harmonic generation from MoS2atomic crystals
Open accessAbstract
The nonlinear optical properties of few-layer MoS${}_{2}$ two-dimensional crystals are studied using femtosecond laser pulses. We observed highly efficient second-harmonic generation from the odd-layer crystals, which shows a polarization intensity dependence that directly reveals the underlying symmetry and orientation of the crystal. Additionally, the measured second-order susceptibility spectra provide information about the electronic structure of the material. Our results open up opportunities for studying the nonlinear optical properties in these two-dimensional crystals.
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Metadata
- Authors
- Malard, L. M., Alencar, T. V., Barboza, A. P. M., Mak, K. F., & de Paula, A. M.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2013-05-13
- Volume
- 87
- Issue
- 20
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2027340654
- Cited by
- 760
- References
- 2
- FWCI
- 21.76
- Type
- journal article
- Language
- en
- Open access
- green
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