Direct comparison of second and third harmonic generation in mono- and few-layer MX2 (M=Mo,W; X=S,Se) by multiphoton microscope

Anton Autere, Antti Säynätjoki, Lasse Karvonen, Babak Amirsolaimani, Henri Jussila, He Yang, Robert A. Norwood, Nasser Peyghambarian, Harri Lipsanen, Khanh Kieu, Zhipei Sun

Research output: Contribution to journalConference articlepeer-review

Abstract

We present a comprehensive study of second harmonic generation (SHG) and third harmonic generation (THG) from single- and few-layer transition metal dichalcogenides (MoS2, MoSe2, WS2 and WSe2). We measure SHG and THG from these materials with a multiphoton microscope with linearly polarized 1560 nm femtosecond excitation. We find that SHG from monolayer MoSe2 under 1560 nm excitation is more than four times stronger than that of other studied materials.

Original languageEnglish (US)
Article numberFTu1A.2
JournalOptics InfoBase Conference Papers
StatePublished - 2016
EventCLEO: QELS_Fundamental Science, QELS 2016 - San Jose, United States
Duration: Jun 5 2016Jun 10 2016

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

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