激光线宽
光学
戒指(化学)
材料科学
激光器
光电子学
物理
有机化学
化学
作者
Mónica Far Brusatori,Daniel N. Duplat,Iterio Degli-Eredi,Lars Nielsen,Peter Tønning,Pau Castera,Nicolas Volet,Martijn J. R. Heck
出处
期刊:Optics Letters
[Optica Publishing Group]
日期:2022-05-02
卷期号:47 (11): 2686-2686
被引量:6
摘要
Two photonic integrated circuits (PICs) are coupled to form a hybridly integrated semiconductor ring laser in the telecom C band with an intrinsic linewidth of (158±21) Hz. This is, to the best of our knowledge, the first time an InP active–passive platform is used in conjunction with an integrated low-loss resonator to obtain a narrow-linewidth laser implemented using generic foundry platforms. The presented results pave the way for a hybrid integrated platform for microwave photonics (MWP), as the demonstrated device includes multiple active–passive components, and its narrow optical linewidth can potentially be translated to a narrow-linewidth microwave signal. Furthermore, as the laser is based on hybrid integration of two PICs from generic foundry platforms, there is a path to reproducible and low-cost devices.
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