Selective excitation of high-order modes in two-dimensional cavity resonator integrated grating filters

被引：4

作者：

Rouxel, Antoine ^{[1
]}

Gauthier-Lafaye, Olivier ^{[1
]}

Monmayrant, Antoine ^{[1
]}

Calvez, Stephane ^{[1
]}

机构：

[1] Univ Toulouse, LAAS CNRS, CNRS, F-31400 Toulouse, France

来源：

OPTICS LETTERS | 2024年 / 49卷 / 06期

关键词：

Waveguide filters;

D O I：

10.1364/OL.519472

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The selective spatial mode excitation of a bi-dimensional grating -coupled micro -cavity called a cavity resonator integrated grating filter (CRIGF) is reported using an incident beam shaped to reproduce the theoretical emission profiles of the device in one and subsequently two dimensions. In both cases, the selective excitation of modes up to order 10 (per direction) is confirmed by responses exhibiting one (respectively two) spectrally narrowband resonance(s) with a good extinction of the other modes, the latter being shown to depend on the parity and order(s) of the involved modes. These results pave the way toward the demonstration of multi -wavelength spatially selective reflectors or fiber-towaveguide couplers. Also, subject to an appropriate choice of the materials constituting the CRIGF, this work can be extended to obtain mode -selectable laser emission or nonlinear frequency conversion. (c) 2024 Optica Publishing Group

引用

页码：1512 / 1515

页数：4

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