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Author:

Ren, Jiahui (Ren, Jiahui.) | Zhang, Xinping (Zhang, Xinping.) (Scholars:张新平)

Indexed by:

EI Scopus SCIE

Abstract:

A degenerated four-wave-mixing (FWM) process in single-crystal (CH3NH3)PbBr3 (MAPbBr(3)) is reported, where 150-fs laser pulses at 1.33 mu m are employed as the pump. Two pump photons interact with a single crystal, producing another two photons with higher and lower energies, respectively. One of the FWM-generation sidebands is tuned from similar to 1.23 to 1.21 mu m and the other from similar to 1.43 to 1.48 mu m for the center wavelength, as the pump fluence is increased from 2.6 to 11.69 mJ cm(-2). The self-phase modulation induced by the strong pump pulses through the optical Kerr effect is responsible for the tuning dynamics. Transient spectroscopy not only verifies the FWM scheme for the interacting waves but also reveals the interference dynamics between the FWM-generated sidebands and the probe pulse. In particular, the angular dependence of the FWM generation supplies direct evidence for the phase-matching geometry. Using experimental data, a nonlinear refractive index coefficient of 1.19 x 10(-14) cm(2) W-1 at 1.33 mu m for single-crystal MAPbBr(3) is determined.

Keyword:

self-phase modulation ultrafast four-wave mixing optical nonlinear refractive index transient spectroscopy single-crystal hybrid perovskite

Author Community:

  • [ 1 ] [Ren, Jiahui]Beijing Univ Technol, Inst Informat Photon Technol, Sch Phys & Optoelect Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Zhang, Xinping]Beijing Univ Technol, Inst Informat Photon Technol, Sch Phys & Optoelect Engn, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Zhang, Xinping]Beijing Univ Technol, Inst Informat Photon Technol, Sch Phys & Optoelect Engn, Beijing 100124, Peoples R China;;

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Source :

LASER & PHOTONICS REVIEWS

ISSN: 1863-8880

Year: 2024

Issue: 1

Volume: 19

1 1 . 0 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 12

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