Low-kappa DBR grating filters on an InP generic photonic integration foundry platform

被引：0

作者：

Kumar, Rakesh Ranjan ^{[1
]}

Hansel, Andreas ^{[1
]}

Castera, Pau ^{[2
]}

Volet, Nicolas ^{[1
]}

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

机构：

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

[2] SMART Photon BV, High Tech Campus 37, NL-5656 AE Eindhoven, Netherlands

[3] Eindhoven Univ Technol, Eindhoven Hendrik Casimir Inst, NL-5612 AP Eindhoven, Netherlands

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2024年 / 41卷 / 04期

关键词：

BRAGG GRATINGS; WAVE-GUIDES;

D O I：

10.1364/JOSAB.518800

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate narrow -bandwidth, low -kappa, distributed Bragg reflector (DBR) grating filters on an indium phosphide (InP) generic foundry platform. With the varying corrugation widths of the DBR grating, we achieve flexibility in the design of the coupling coefficients from 10 to 50 cm - 1 , which correspond to grating bandwidths of 0.68 nm to 1.28 nm, respectively. These values are experimentally observed and agree well with the theoretical analysis. The DBR grating is based on periodic rectangular grooves in quaternary material that is placed between the waveguide core and cladding region. Such configurations of the DBR grating provide a low propagation loss of

引用

页码：1054 / 1059

页数：6

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