Tunable Second-Harmonic Generation in “4-3” tuned Quantum Wells Driven by Electric Fields

Ozan Öztürk

doi:10.17798/bitlisfen.1804343

Tunable Second-Harmonic Generation in “4-3” tuned Quantum Wells Driven by Electric Fields

Abstract

In this study, we investigate the influence of external electric fields on the potential profile, energy states, dipole moment matrix elements (DMMEs), and second-harmonic generation (SHG) in the “4-3" GaAs/AlGaAs quantum wells (QWs). By varying the electric field strength, pronounced modifications are observed in electron localization within the coupled wells, accompanied by notable shifts in the energy levels. A transition from an asymmetric to a symmetric potential profile occurs at a critical field of F = 57 kV/cm, leading to an equal distribution of electrons across both wells. The SHG response exhibits a strong dependence on the applied field: a redshift dominates below the critical field, while a blueshift emerges above it, and the SHG coefficient vanishes completely at the symmetric configuration. These results demonstrate that external electric fields provide an effective mechanism for tuning the nonlinear optical properties of the 4-3 QWs, offering potential applications in nano optoelectronic and photonic devices.

Keywords

Ethical Statement

The study is complied with research and publication ethics.

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Details

Primary Language

English

Subjects

Structural Properties of Condensed Matter

Journal Section

Research Article

Authors

Ozan Öztürk ^*
0000-0002-9592-3152
Türkiye

Publication Date

March 24, 2026

Submission Date

October 15, 2025

Acceptance Date

December 22, 2025

Published in Issue

Year 2026 Volume: 15 Number: 1

DOI

https://doi.org/10.17798/bitlisfen.1804343

IZ

https://izlik.org/JA57LU48YD

Cite

RIS / Bibtex

APA

Öztürk, O. (2026). Tunable Second-Harmonic Generation in “4-3” tuned Quantum Wells Driven by Electric Fields. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi, 15(1), 322-327. https://doi.org/10.17798/bitlisfen.1804343

AMA

1.Öztürk O. Tunable Second-Harmonic Generation in “4-3” tuned Quantum Wells Driven by Electric Fields. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi. 2026;15(1):322-327. doi:10.17798/bitlisfen.1804343

Chicago

Öztürk, Ozan. 2026. “Tunable Second-Harmonic Generation in ‘4-3’ Tuned Quantum Wells Driven by Electric Fields”. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi 15 (1): 322-27. https://doi.org/10.17798/bitlisfen.1804343.

EndNote

Öztürk O (March 1, 2026) Tunable Second-Harmonic Generation in “4-3” tuned Quantum Wells Driven by Electric Fields. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi 15 1 322–327.

IEEE

[1]O. Öztürk, “Tunable Second-Harmonic Generation in ‘4-3’ tuned Quantum Wells Driven by Electric Fields”, Bitlis Eren Üniversitesi Fen Bilimleri Dergisi, vol. 15, no. 1, pp. 322–327, Mar. 2026, doi: 10.17798/bitlisfen.1804343.

ISNAD

Öztürk, Ozan. “Tunable Second-Harmonic Generation in ‘4-3’ Tuned Quantum Wells Driven by Electric Fields”. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi 15/1 (March 1, 2026): 322-327. https://doi.org/10.17798/bitlisfen.1804343.

JAMA

1.Öztürk O. Tunable Second-Harmonic Generation in “4-3” tuned Quantum Wells Driven by Electric Fields. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi. 2026;15:322–327.

MLA

Öztürk, Ozan. “Tunable Second-Harmonic Generation in ‘4-3’ Tuned Quantum Wells Driven by Electric Fields”. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi, vol. 15, no. 1, Mar. 2026, pp. 322-7, doi:10.17798/bitlisfen.1804343.

Vancouver

1.Ozan Öztürk. Tunable Second-Harmonic Generation in “4-3” tuned Quantum Wells Driven by Electric Fields. Bitlis Eren Üniversitesi Fen Bilimleri Dergisi. 2026 Mar. 1;15(1):322-7. doi:10.17798/bitlisfen.1804343