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Controlling inelastic light scattering quantum pathways in graphene

Author

Listed:
  • Chi-Fan Chen

    (University of California at Berkeley)

  • Cheol-Hwan Park

    (University of California at Berkeley)

  • Bryan W. Boudouris

    (University of California at Berkeley
    Lawrence Berkeley National Laboratory)

  • Jason Horng

    (University of California at Berkeley)

  • Baisong Geng

    (University of California at Berkeley)

  • Caglar Girit

    (University of California at Berkeley)

  • Alex Zettl

    (University of California at Berkeley
    Lawrence Berkeley National Laboratory)

  • Michael F. Crommie

    (University of California at Berkeley
    Lawrence Berkeley National Laboratory)

  • Rachel A. Segalman

    (University of California at Berkeley
    Lawrence Berkeley National Laboratory)

  • Steven G. Louie

    (University of California at Berkeley
    Lawrence Berkeley National Laboratory)

  • Feng Wang

    (University of California at Berkeley
    Lawrence Berkeley National Laboratory)

Abstract

Controlling scattered light Inelastic light scattering spectroscopy is a powerful tool used in materials science to probe elementary excitations. In the quantum-mechanical realm, these excitations are generated by the incident photons through intermediate electronic transitions. Working with electrostatically doped graphene, Wang and colleagues show that it is possible to manipulate these intermediate 'quantum pathways'. They observe a surprising effect, where blocking one pathway results in an increased intensity, unveiling a mechanism of destructive quantum interference between different Raman pathways. The study raises the possibility of controlling quantum pathways to produce unusual inelastic light-scattering phenomena.

Suggested Citation

  • Chi-Fan Chen & Cheol-Hwan Park & Bryan W. Boudouris & Jason Horng & Baisong Geng & Caglar Girit & Alex Zettl & Michael F. Crommie & Rachel A. Segalman & Steven G. Louie & Feng Wang, 2011. "Controlling inelastic light scattering quantum pathways in graphene," Nature, Nature, vol. 471(7340), pages 617-620, March.
    • Handle: RePEc:nat:nature:v:471:y:2011:i:7340:d:10.1038_nature09866
    DOI: 10.1038/nature09866
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    Cited by:

    1. Shishu Zhang & Jianqi Huang & Yue Yu & Shanshan Wang & Teng Yang & Zhidong Zhang & Lianming Tong & Jin Zhang, 2022. "Quantum interference directed chiral raman scattering in two-dimensional enantiomers," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    2. Ju Young Kim & Juho Park & Gregory R. Holdman & Jacob T. Heiden & Shinho Kim & Victor W. Brar & Min Seok Jang, 2022. "Full 2π tunable phase modulation using avoided crossing of resonances," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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