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Two-photon based pulse autocorrelation with CdSe nanoplatelets

(2019) NANOSCALE. 11(37). p.17293-17300
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Abstract
We investigate broadband two-photon absorption autocorrelators based on II-VI semiconductor nanoplatelets as an alternative to common second harmonic generation based techniques. As compared to bulk materials the exceptionally high enhancement of two-photon absorption in these 2D structures results in very efficient two-photon absorption based autocorrelation detected via PL emission. We compare the results with TPA autocorrelation in CdS bulk as well as SHG based autocorrelation in beta-barium borate. We show that CdSe nanoplatelet based autocorrelation can exceed the efficiency of conventional methods by two orders in magnitude, especially for short interaction length, and allows a precise pulse-width determination. We demonstrate that very high two-photon absorption cross sections of the nanoplatelets are the basis for this effective TPA autocorrelation. Based on our results with II-VI nanoplatelets efficient broadband autocorrelation with more than similar to 100 nm bandwidth and very high sensitivity seems feasible.
Keywords
General Materials Science, QUANTUM DOTS, ABSORPTION, EMISSION, DIMENSIONALITY, SPECTROSCOPY, DEVICES, SHIFT

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MLA
Quick, Michael T., et al. “Two-Photon Based Pulse Autocorrelation with CdSe Nanoplatelets.” NANOSCALE, vol. 11, no. 37, 2019, pp. 17293–300, doi:10.1039/c9nr06156h.
APA
Quick, M. T., Owschimikow, N., Khan, A., Polovitsyn, A., Moreels, I., Woggon, U., & Achtstein, A. W. (2019). Two-photon based pulse autocorrelation with CdSe nanoplatelets. NANOSCALE, 11(37), 17293–17300. https://doi.org/10.1039/c9nr06156h
Chicago author-date
Quick, Michael T., Nina Owschimikow, Ali Khan, Anatolii Polovitsyn, Iwan Moreels, Ulrike Woggon, and Alexander W. Achtstein. 2019. “Two-Photon Based Pulse Autocorrelation with CdSe Nanoplatelets.” NANOSCALE 11 (37): 17293–300. https://doi.org/10.1039/c9nr06156h.
Chicago author-date (all authors)
Quick, Michael T., Nina Owschimikow, Ali Khan, Anatolii Polovitsyn, Iwan Moreels, Ulrike Woggon, and Alexander W. Achtstein. 2019. “Two-Photon Based Pulse Autocorrelation with CdSe Nanoplatelets.” NANOSCALE 11 (37): 17293–17300. doi:10.1039/c9nr06156h.
Vancouver
1.
Quick MT, Owschimikow N, Khan A, Polovitsyn A, Moreels I, Woggon U, et al. Two-photon based pulse autocorrelation with CdSe nanoplatelets. NANOSCALE. 2019;11(37):17293–300.
IEEE
[1]
M. T. Quick et al., “Two-photon based pulse autocorrelation with CdSe nanoplatelets,” NANOSCALE, vol. 11, no. 37, pp. 17293–17300, 2019.
@article{8642420,
  abstract     = {{We investigate broadband two-photon absorption autocorrelators based on II-VI semiconductor nanoplatelets as an alternative to common second harmonic generation based techniques. As compared to bulk materials the exceptionally high enhancement of two-photon absorption in these 2D structures results in very efficient two-photon absorption based autocorrelation detected via PL emission. We compare the results with TPA autocorrelation in CdS bulk as well as SHG based autocorrelation in beta-barium borate. We show that CdSe nanoplatelet based autocorrelation can exceed the efficiency of conventional methods by two orders in magnitude, especially for short interaction length, and allows a precise pulse-width determination. We demonstrate that very high two-photon absorption cross sections of the nanoplatelets are the basis for this effective TPA autocorrelation. Based on our results with II-VI nanoplatelets efficient broadband autocorrelation with more than similar to 100 nm bandwidth and very high sensitivity seems feasible.}},
  author       = {{Quick, Michael T. and Owschimikow, Nina and Khan, Ali and Polovitsyn, Anatolii and Moreels, Iwan and Woggon, Ulrike and Achtstein, Alexander W.}},
  issn         = {{2040-3364}},
  journal      = {{NANOSCALE}},
  keywords     = {{General Materials Science,QUANTUM DOTS,ABSORPTION,EMISSION,DIMENSIONALITY,SPECTROSCOPY,DEVICES,SHIFT}},
  language     = {{eng}},
  number       = {{37}},
  pages        = {{17293--17300}},
  title        = {{Two-photon based pulse autocorrelation with CdSe nanoplatelets}},
  url          = {{http://dx.doi.org/10.1039/c9nr06156h}},
  volume       = {{11}},
  year         = {{2019}},
}

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