Detection and amplification of spin noise using scattered laser light in a quantum-dot microcavity

A. N. Kamenskii, M. Yu. Petrov, G. G. Kozlov, V. S. Zapasskii, S. E. Scholz, C. Sgroi, A. Ludwig, A. D. Wieck, M. Bayer, Alex Greilich

Результат исследований: Научные публикации в периодических изданияхстатьярецензирование

1 Цитирования (Scopus)

Аннотация

Fundamental properties of the spin-noise signal formation in a quantum-dot microcavity are studied by measuring the angular characteristics of the scattered light intensity. A distributed Bragg reflector microcavity was used to enhance the light-matter interaction with an ensemble of n-doped (In,Ga)As/GaAs quantum dots, which allowed us to study subtle effects of coherent scattering at the quantum dot ensemble. Detecting the scattered light outside of the aperture of the transmitted light, we measured the basic electron spin properties, such as g factor and spin dephasing time. Further, we investigated the influence of the microcavity on the scattering distribution and possibilities of signal amplification by additional resonant excitation.

Язык оригиналаанглийский
Номер статьи041401
ЖурналPhysical Review B
Том101
Номер выпуска4
DOI
СостояниеОпубликовано - 2 янв 2020

Предметные области Scopus

  • Электроника, оптика и магнитные материалы
  • Физика конденсатов

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