Miniaturized guided-mode resonance laser based on a one-dimensional finite heterostructure cavity

Linyong Qian; Xin Zhang; Zhengweiyi Yang; Shuozhe Xu; Yun Qiu; Kangni Wang

doi:10.1364/OL.516509

Optics Letters
Vol. 49,
Issue 5,
pp. 1317-1320
(2024)
•https://doi.org/10.1364/OL.516509

Miniaturized guided-mode resonance laser based on a one-dimensional finite heterostructure cavity

Linyong Qian, Xin Zhang, Zhengweiyi Yang, Shuozhe Xu, Yun Qiu, and Kangni Wang

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Linyong Qian, Xin Zhang, Zhengweiyi Yang, Shuozhe Xu, Yun Qiu, and Kangni Wang, "Miniaturized guided-mode resonance laser based on a one-dimensional finite heterostructure cavity," Opt. Lett. 49, 1317-1320 (2024)

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Table of Contents Category
- Photonic Crystals and Devices
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About this Article
History
- Original Manuscript: December 21, 2023
- Revised Manuscript: January 29, 2024
- Manuscript Accepted: February 7, 2024
- Published: February 28, 2024

Abstract

Lasers based on the resonant nanostructures have attracted much attention due to their low threshold and compact dimensions. Guided-mode resonance (GMR) structures have been studied in lasing configurations because of their optical field enhancement and convenient free space excitation. However, the GMR inherently requires a larger footprint and is not suitable for high-density packaging. Here, we present numerical evidence of a miniaturized laser implemented in a one-dimensional finite heterostructure cavity (FHC). A GMR resonator and distributed Bragg reflectors are integrated to create the FHC, which enables the efficient coupling and localization of the electric field. Numerical findings indicate that the threshold is approximately 22.5 µJ/cm², while the emission region is confined within a length of 5.4 µm. In addition, by adjusting the coupling strength, it is capable to achieve controllable lasing emission. The proposed structure provides a compact source for high-capacity optical communications, sensing, and quantum information processing.

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Supplementary Material (1)

Name	Description
Supplement 1	Simulation conditions of spectral responses and simulation of lasing behavior

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