Modulating the visible emission and whispering gallery mode lasing through the self-induced defects in a Ga-doped ZnO tapered microcavity

Rubia Anwar; Cuong Ton‐That; Md. Azizar Rahman

doi:10.1039/d5ma01263e

January 1, 2026Materials AdvancesOpen Access

Modulating the visible emission and whispering gallery mode lasing through the self-induced defects in a Ga-doped ZnO tapered microcavity

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Key Points

The aim is to enhance visible lasing performance in Ga-doped ZnO microcavities by controlling defect emission.
Co-designed Ga-doped ZnO microcavities with controlled defects to study lasing.
Evaluated the relationship between defect density and lasing characteristics.
Analyzed emission properties using optical characterization techniques.
Achieved low-order visible WGM lasing with reduced defect contributions.
Lasing efficiency improved with optimized defect density and dispersion control.
Identified a correlation between defect self-induction and enhanced lasing performance.

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Implication

Investigates lasing modulation in Ga-doped ZnO microcavities, suggesting enhanced optical performance.

Abstract

Achieving low-order visible whispering gallery mode (WGM) lasing in monolithic semiconductor microcavities is typically hindered by poorly controlled defect emission and limited dispersion control. We address this by co-designing the...

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Anwar et al. (2026) studied this question.

synapsesocial.com/papers/6a323c62d50b63ecad2069d6 https://doi.org/10.1039/d5ma01263e

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Modulating the visible emission and whispering gallery mode lasing through the self-induced defects in a Ga-doped ZnO tapered microcavity

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Modulating the visible emission and whispering gallery mode lasing through the self-induced defects in a Ga-doped ZnO tapered microcavity

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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