Highly Efficient DFB Laser-Assisted Grating As2S3 Chalcogenide for Integrated Photonics

被引：0

作者：

Mafakheri, Afshin ^{[1
]}

Parsanasab, Gholam-Mohammad ^{[1
]}

Sorayaie, Parvin ^{[2
]}

Mostajeran, Samaneh ^{[1
]}

Akbari, Ladan ^{[1
]}

Kolahdouz, Mohammadreza ^{[2
]}

机构：

[1] Shahid Beheshti Univ, Fac Elect Engn, Integrated Photon Lab, Tehran 1983963113, Iran

[2] Univ Tehran, Coll Engn, Sch Elect & Comp Engn, Tehran 1417614411, Iran

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2024年 / 42卷 / 14期

关键词：

Chalcogenide; DFB laser; grating; single-mode laser;

D O I：

10.1109/JLT.2024.3381647

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Chalcogenide (As2S3) is a material with promising applications in integrated photonics. This material has the potential for low-threshold, compact, and high-coherence light sources. Our team has developed a chalcogenide-based distributed feedback (DFB) laser using a ridge polymer waveguide structure, incorporating a 500 nm As2S3 grating as the wavelength selective element. With precise engineering of the DFB laser structure, we have achieved single-mode lasing with an 18 nJ lasing threshold and a side mode suppression ratio (SMSR) of 28 dB. Additionally, we have found that the single-mode lasing persists over a wide range of pump power energy. To validate our experimental results, we performed a numerical simulation of the proposed structure, which confirmed experimental results.

引用

页码：4918 / 4923

页数：6

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