Self-oscillating parametric optical transducer based on quantum double-barrier heterostructure

Oleksandr Osadchuk; Iaroslav Osadchuk; Volodymyr Osadchuk; Oleg Kolesnytskyj; Nataliia Dobrovolska; Paweł Komada; Saule Smailova; Gulzhan Kashaganova

doi:10.1117/12.3022657

20 December 2023 Self-oscillating parametric optical transducer based on quantum double-barrier heterostructure

Oleksandr Osadchuk, Iaroslav Osadchuk, Volodymyr Osadchuk, Oleg Kolesnytskyj, Nataliia Dobrovolska, Paweł Komada, Saule Smailova, Gulzhan Kashaganova

Author Affiliations +

Proceedings Volume 12985, Optical Fibers and Their Applications 2023; 1298505 (2023) https://doi.org/10.1117/12.3022657
Event: Optical Fibers and Their Applications 2023, 2023, Lublin, Poland

Abstract

An self-oscillating parametric optical transducer based on a quantum double-barrier heterostructure is proposed, the basic element of which is a tunnel-resonant diode, and it acts as a primary optical transducer and as an selfoscillating, which greatly simplifies the design of the optical transducer. Based on the consideration of physical processes in the tunnel-resonant diode, a mathematical model of the optical transducer was developed, on the basis of which the parametric dependence of the conversion and sensitivity functions was obtained. It is shown that the main contribution to the change of transformation functions and sensitivity is introduced by a change in optical power. This causes a change in the negative differential resistance of the oscillating system of the self-oscillating of the transducer, which, in turn, changes the output frequency of the device. At the same time, the internal capacitance and inductance also depend on the action of the optical power, but these changes do not affect the output frequency, since the external capacitance and inductance are four orders of magnitude greater than the internal capacitance and inductance of the tunnel-resonant diode. The sensitivity of the optical transducer varies from 15.27 kHz/μW/cm² to 16.37 kHz/μW/cm² in the measuring power range from 0 to 100 μW/cm².

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Oleksandr Osadchuk, Iaroslav Osadchuk, Volodymyr Osadchuk, Oleg Kolesnytskyj, Nataliia Dobrovolska, Paweł Komada, Saule Smailova, and Gulzhan Kashaganova "Self-oscillating parametric optical transducer based on quantum double-barrier heterostructure", Proc. SPIE 12985, Optical Fibers and Their Applications 2023, 1298505 (20 December 2023); https://doi.org/10.1117/12.3022657

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KEYWORDS

Transducers

Diodes

Quantum tunneling

Resistance

Heterojunctions

Inductance

Capacitance

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