Brillouin Lasing in a Silica Microsphere With Allowance for Rayleigh Scattering

被引：2

作者：

Anashkina, Elena A. ^{[1
]}

Andrianov, Alexey V. ^{[1
]}

机构：

[1] Russian Acad Sci, AV Gaponov Grekhov Inst Appl Phys, Nizhnii Novgorod 603950, Russia

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2024年 / 36卷 / 18期

基金：

俄罗斯科学基金会;

关键词：

Brillouin lasing; coupled mode theory; microresonator; Rayleigh scattering; silica microsphere; MICROWAVE;

D O I：

10.1109/LPT.2024.3444328

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：

We demonstrate cascade Brillouin lasing in a silica microsphere with 11-GHz spectral spacing between neighboring orders. Using unidirectional pump, up to three Brillouin cascades are attained in both forward and backward spectra due to Rayleigh scattering. We show experimentally and numerically that for weak and strong intermode coupling, the system behavior differs. For weak coupling, first-order Brillouin waves are mainly generated in the backward direction while second-order waves are mainly observed in the forward one. For strong coupling, powers for each order are the same in both directions.

引用

页码：1121 / 1124

页数：4

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