Development and study of a model of an autonomous energy information station of free space optical communication
Kalinovskii V.S.
1, Terukov E.I.
1, Ascheulov Y.V.
1, Kontrosh E.V.
1, Yuferev V.S.
1, Prudchenko K.K.
1, Chekalin A.V.
1, Terukova E.E.
1, Tolkachev I.A.
1, Goncharov S.E.
1, Ustinov V.M.
11Ioffe Institute, St. Petersburg, Russia
Email: vitak.sopt@mail.ioffe.ru, yuriascheulov@mail.ioffe.ru
A model of an autonomous receiving station of free space optical communication system based on a multi-section energy heterostructure (HJT) Si photoconverter and an information photodetector based on AlGaAs/GaAs p-i-n photodiodes has been developed. The energy part, when excited by laser radiation with a power of ~ 264 W at a wavelength of 0.974 μm in the photovoltaic mode, provided ≥ 60 W of electric power. The photodetector of the information channel, when excited by pulsed radiation at a wavelength of 0.78 μm, provides response time in the photovoltaic mode in the sub-nanosecond range. Keywords: free space opical communication, receiving station, HJT Si photoconverter, AlGaAs/GaAs p-i-n photodetector, laser radiation, pulsed radiation
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