Ultralow-linewidth ring laser using hybrid integration and generic foundry platforms

被引：5

作者：

Brusatori, Monica Far ^{[1
]}

Duplat, Daniel N. ^{[1
]}

Degli-Eredi, Iterio ^{[1
]}

Nielsen, Lars ^{[1
]}

Tonning, Peter L. ^{[1
]}

Castera, Pau ^{[2
]}

Volet, Nicolas ^{[1
]}

Heck, Martijn J. R. ^{[1
,3
]}

机构：

[1] Aarhus Univ, Dept Elect & Comp Engn, Finlandsgade 22, DK-8200 Aarhus N, Denmark

[2] Eindhoven Univ Technol, Smart Photon BV, NL-5600 MB Eindhoven, Netherlands

[3] Eindhoven Univ Technol, Eindhoven Hendrik Casimir Inst, NL-5600 MB Eindhoven, Netherlands

来源：

OPTICS LETTERS | 2022年 / 47卷 / 11期

关键词：

MICROWAVE; SYNTHESIZER;

D O I：

10.1364/OL.457367

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

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. (C) 2022 Optica Publishing Group

引用

页码：2686 / 2689

页数：4

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