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Incoherent Photon Echo in an Inhomogeneous Ensemble of Semiconductor Colloidal Quantum Dots at Low Temperatures

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Abstract

A simple and effective technique for fabricating homogeneous films of colloidal quantum dots is developed. Incoherent photon echo signals in the prepared thin films of quantum dots are detected and studied in a wide range of cryogenic temperatures (from 4.5 to 50 K). The temperature dependence of the inverse optical dephasing time is constructed and possible mechanisms of ultrafast dephasing are analyzed in the indicated temperature range.

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Authors and Affiliations

  1. Molecular Spectroscopy Dept., Institute of Spectroscopy, Russian Academy of Sciences, ul. Fizicheskaya 5, Troitsk, Moscow, 108840, Russia

    A. I. Arzhanov, K. R. Karimullin & A. V. Naumov

  2. Shpolskii Chair of Theoretical Physics, Moscow State Pedagogical University, ul. Malaya Pirogovskaya 29/7, Moscow, 119435, Russia

    A. I. Arzhanov, K. R. Karimullin & A. V. Naumov

Authors
  1. A. I. Arzhanov
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  2. K. R. Karimullin
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  3. A. V. Naumov
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Corresponding author

Correspondence to A. I. Arzhanov.

Additional information

Original Russian Text © A.I. Arzhanov, K.R. Karimullin, A.V. Naumov, 2018, published in Kratkie Soobshcheniya po Fizike, 2018, Vol. 45, No. 3, pp. 39–44.

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Arzhanov, A.I., Karimullin, K.R. & Naumov, A.V. Incoherent Photon Echo in an Inhomogeneous Ensemble of Semiconductor Colloidal Quantum Dots at Low Temperatures. Bull. Lebedev Phys. Inst. 45, 91–94 (2018). https://doi.org/10.3103/S1068335618030077

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  • DOI: https://doi.org/10.3103/S1068335618030077

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