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Title: Optical nonlinearities of excitons in monolayer MoS 2

Journal Article · · Physical Review B
ORCiD logo [1];  [2];  [2];  [2];  [2]
  1. Stanford Univ., CA (United States). Edward L. Ginzton Lab.; Sandia National Lab. (SNL-CA), Livermore, CA (United States)
  2. Stanford Univ., CA (United States). Edward L. Ginzton Lab.

We calculate linear and nonlinear optical susceptibilities arising from the excitonic states of monolayer MoS2 for in-plane light polarizations, using second-quantized bound and unbound exciton operators. Optical selection rules are critical for obtaining the susceptibilities. We derive the valley-chirality rule for the second-order harmonic generation in monolayer MoS2 and find that the third-order harmonic process is efficient only for linearly polarized input light while the third-order two-photon process (optical Kerr effect) is efficient for circularly polarized light using a higher order exciton state. The absence of linear absorption due to the band gap and the unusually strong two-photon third-order nonlinearity make the monolayer MoS2 excitonic structure a promising resource for coherent nonlinear photonics.

Research Organization:
Stanford Univ., CA (United States); Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
NA0003525
OSTI ID:
1431585
Alternate ID(s):
OSTI ID: 1432104
Journal Information:
Physical Review B, Vol. 97, Issue 16; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 18 works
Citation information provided by
Web of Science

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Cited By (11)

Two-dimensional nonlinear optical materials predicted by network visualization journal January 2019
Intraband divergences in third order optical response of 2D systems journal March 2019
Supercontinuum second harmonic generation spectroscopy of atomically thin semiconductors journal August 2019
Twist-angle modulation of exciton absorption in MoS 2 /graphene heterojunctions journal October 2019
Quantum-enhanced tunable spin-valley dependent excitonic second harmonic generation in molybdenum disulfide quantum dots journal November 2019
Adiabatic Fock-state-generation scheme using Kerr nonlinearity journal September 2019
Theory of second-order excitonic nonlinearities in transition metal dichalcogenides journal September 2019
Triple sum frequency pump-probe spectroscopy of transition metal dichalcogenides journal December 2019
Coherent feedback control of two-dimensional excitons journal January 2020
Enhanced four-wave mixing process near the excitonic resonances of bulk MoS 2 journal January 2019
Adiabatic Fock State Generation Scheme Using Kerr Nonlinearity conference January 2018

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