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Polarization Dynamics and Intensity Fluctuations of a Single-Mode Vertical Cavity Laser with Optical Feedback

  • QUANTUM INFORMATICS: COMMUNICATION
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Abstract—

The results of the experimental study of the effect of optical feedback (OF) on intensity fluctuations at a selected polarization in a single-mode vertical-cavity surface-emitting laser (VCSEL) are presented. The aim of this study is to look for conditions of enhancement of the level of polarization noise for possible use as a source of randomness for fast random bit generation. It is shown for several VCSEL examples that strong optical feedback can lead to an increase polarization noise, the amplitude and frequency band of which is sufficient for the efficient generation of random bits at a speed of several Gbit/s. This approach makes it possible to implement a fairly compact and structurally simple high-speed random bit generator.

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Funding

This work was supported by the Ministry of Education and Science of the Russian Federation within the framework of the Strategic Academic Leadership Program “Priority 2030” (Strategic Project “Quantum Internet”).

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Authors and Affiliations

  1. Stepanov Institute of Physics, NASB, 220072, Minsk, Belarus

    V. N. Chizhevsky, M. V. Lahmitski & S. Ya. Kilin

  2. Moscow Institute of Physics and Technology, 141701, Dolgoprudny, Russia

    E. Dedkov & V. Kurochkin

  3. Qrate, 115419, Moscow, Russia

    R. Shakhovoy

  4. National University of Science and Technology MISIS, 119049, Moscow, Russia

    V. Kurochkin

Authors
  1. V. N. Chizhevsky
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  2. M. V. Lahmitski
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  3. E. Dedkov
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  4. R. Shakhovoy
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  5. V. Kurochkin
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  6. S. Ya. Kilin
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Corresponding authors

Correspondence to V. N. Chizhevsky, E. Dedkov or R. Shakhovoy.

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Chizhevsky, V.N., Lahmitski, M.V., Dedkov, E. et al. Polarization Dynamics and Intensity Fluctuations of a Single-Mode Vertical Cavity Laser with Optical Feedback. Russ Microelectron 52 (Suppl 1), S306–S310 (2023). https://doi.org/10.1134/S1063739723600425

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  • DOI: https://doi.org/10.1134/S1063739723600425

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