Quantum Yield of a Silicon XUV Avalanche Photodiode in the 320–1100 nm Wavelength Range

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Quantum photoresponse yield of a silicon XUV avalanche photodiode prototype with 1.5‑mm-diameter active region has been studied in the 320–1100 nm wavelength range. It is established that the proposed avalanche photodiode has the external quantum efficiency above 20 electron/photon in the 580–1000 nm range at a reverse bias voltage of 485 V.

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This work was carried out using instrumentation of the Center of Collective Use Materials Science and Diagnostics in Advanced Technologies at the Ioffe Physical Technical Institute and supported by the Ministry of Education and Science of the Russian Federation. We are grateful to our colleagues from the Ioffe Physical Technical Institute, in particular, to N.V. Zabrodskaya, M.S. Lazeeva, M.V. Drozdova, and V.I. Marshalova for their help in preparing photodiode structures and to M.E. Levinshtein for fruitful discussion of the results.


P.N. Aruev gratefully acknowledges support from the Russian Foundation for Basic Research, project no. 16-29-13009-ofi-m.

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Correspondence to V. V. Zabrodskii.

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Translated by P. Pozdeev

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Zabrodskii, V.V., Aruev, P.N., Ber, B.Y. et al. Quantum Yield of a Silicon XUV Avalanche Photodiode in the 320–1100 nm Wavelength Range. Tech. Phys. Lett. 45, 1226–1229 (2019) doi:10.1134/S1063785019120289

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  • avalanche photodiode
  • XUV range
  • silicon
  • dark current.