SPbPU Journal - Physics and Mathematics
St. Petersburg Polytechnic University Journal: Physics and Mathematics Peter the Great St. Petersburg Polytechnic University
Since 2008
ISSN 2304-9782
ISSN 2618-8686
ISSN 2405-7223
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Articles by keywords "quantum efficiency"

Infrared photodetectors based on InAsP epitaxial nanowires on silicon

Condensed matter physics
Goltaev A. S. Fedina S.V. Fedorov V.V. Mozharov A.M. Novikova K.N. Maksimova A.A. Baranov A.I. Kaveev A.K. Pavlov A.V. Miniv D.V. Ustimenko R.V. Vinnichenko M.Ya. Mukhin I.S.
  • Year: 2025
  • Volume: 18
  • Issue: 2
  • 31
  • 3175
  • Pages: 9-21

Evaluation of quantum efficiency of InGaAs/InP single-photon detectors in quantum key distribution systems

Simulation of physical processes
Filyaev A.A. Losev A.V. Zavodilenko V.V. Pavlov I.D.
  • Year: 2023
  • Volume: 16
  • Issue: 3.1
  • 20
  • 3587
  • Pages: 237-241

Current and temperature dependences of optical characteristics of powerful deep UV AlGaN LED (λ = 270 nm)

Optoelectronic and nanoelectronic devices
Ivanov A.E. Talnishnikh Nadezhda A. Chernyakov A.E. Zakgeim A.L.
  • Year: 2023
  • Volume: 16
  • Issue: 1.3
  • 27
  • 4166
  • Pages: 170-175

Change of radiative and low-frequency noise characteristics of UV LEDs based on InGaN/GaN quantum wells at liquid nitrogen temperature

Physical electronics
Ivanov A.M. Klochkov A.V.
  • Year: 2023
  • Volume: 16
  • Issue: 1.2
  • 13
  • 3947
  • Pages: 96-102

Mechanisms leading to thermal quantum efficiency droop in green InGaN/GaN LEDs

Physical electronics
Shabunina E.I. Ivanov A.E. Talnishnikh Nadezhda A. Kartashova A.P. Poloskin D.S. Shmidt N.P. Zakgeim A.L. Chernyakov A.E.
  • Year: 2023
  • Volume: 16
  • Issue: 1.2
  • 31
  • 4435
  • Pages: 70-76

Measurement of the internal quantum efficiency of emission in the local region of the LED chip

Physical optics
Frolov I.V. Radaev O.A. Sergeev V.A.
  • Year: 2022
  • Volume: 15
  • Issue: 3.3
  • 16
  • 4723
  • Pages: 226-229

A comprehensive study of electroluminescence and temperature distribution of “UX:3” AlInGaN LED

Physical electronics
Ivanov A.E. Aladov A.V. Chernyakov A.E. Zakgeim A.L.
  • Year: 2022
  • Volume: 15
  • Issue: 3.3
  • 15
  • 4747
  • Pages: 142-146

Visible quantum cutting in green emitting BaF2: Gd3+, Tb3+ phosphors: an approach towards mercury-free lamps

Physical materials technology
Jaiswal S. R. Sawala N. S. Koparkar K. A. Nagpure P. A. Bhatkar V. B. Omanwar Shreeniwas K.
  • Year: 2017
  • Volume: 10
  • Issue: 3
  • 93
  • 9340
  • Pages: 64-74

Development features of degradation processes in high-power blue InGaN/GaN light-emitting diodes

Experimental technique and devices
Basalkevich T.M. Talnishnikh Nadezhda A. Shmidt N.P.
  • Year: 2012
  • Issue: 3
  • 0
  • 8497
  • Pages: 45-48