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Peng Y, Yang A, Xu Y, et al. Tunneling induced absorption with competing Nonlinearities. Sci Rep. 2016;6:38251doi: 10.1038/srep38251.
Peng, Y., Yang, A., Xu, Y., Wang, P., Yu, Y., Guo, H., & Ren, T. (2016). Tunneling induced absorption with competing Nonlinearities. Scientific reports, 638251. https://doi.org/10.1038/srep38251
Peng, Yandong, et al. "Tunneling induced absorption with competing Nonlinearities." Scientific reports vol. 6 (2016): 38251. doi: https://doi.org/10.1038/srep38251
Peng Y, Yang A, Xu Y, Wang P, Yu Y, Guo H, Ren T. Tunneling induced absorption with competing Nonlinearities. Sci Rep. 2016 Dec 13;6:38251. doi: 10.1038/srep38251. PMID: 27958303; PMCID: PMC5153664.
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Sci Rep. 2016 Dec 13;6:38251. doi: 10.1038/srep38251.

Tunneling induced absorption with competing Nonlinearities.

Scientific reports

Yandong Peng, Aihong Yang, Yan Xu, Peng Wang, Yang Yu, Hongju Guo, Tingqi Ren

Affiliations

  1. State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, China.
  2. Physics Research Laboratory, Shanghai Publishing and Printing College, University of Shanghai for Science and Technology, Shanghai, 200093, China.

PMID: 27958303 PMCID: PMC5153664 DOI: 10.1038/srep38251

Abstract

We investigate tunneling induced nonlinear absorption phenomena in a coupled quantum-dot system. Resonant tunneling causes constructive interference in the nonlinear absorption that leads to an increase of more than an order of magnitude over the maximum absorption in a coupled quantum dot system without tunneling. Resonant tunneling also leads to a narrowing of the linewidth of the absorption peak to a sublinewidth level. Analytical expressions show that the enhanced nonlinear absorption is largely due to the fifth-order nonlinear term. Competition between third- and fifth-order nonlinearities leads to an anomalous dispersion of the total susceptibility.

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