Ultra-strong nonlinear optical processes and trigonal warping in MoS2 layers
oleh: Antti Säynätjoki, Lasse Karvonen, Habib Rostami, Anton Autere, Soroush Mehravar, Antonio Lombardo, Robert A. Norwood, Tawfique Hasan, Nasser Peyghambarian, Harri Lipsanen, Khanh Kieu, Andrea C. Ferrari, Marco Polini, Zhipei Sun
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2017-10-01 |
Deskripsi
Harmonic generation is a nonlinear optical process occurring in a variety of materials; the higher orders generation is generally less efficient than lower orders. Here, the authors report that the third-harmonic is thirty times stronger than the second-harmonic in monolayer MoS2.