Bragg gratings in thin-film LiNbO3 waveguides

被引：60

作者：

Baghban, Mohammad Amin ^{[1
]}

Schollhammer, Jean ^{[1
]}

Errando-Herranz, Carlos ^{[2
]}

Gylfason, Kristinn B. ^{[2
]}

Gallo, Katia ^{[1
]}

机构：

[1] KTH Royal Inst Technol, Dept Appl Phys, Roslagstullsbacken 21, SE-10691 Stockholm, Sweden

[2] KTH Royal Inst Technol, Dept Micro & Nanosyst, Osquldas Vag 10, SE-10044 Stockholm, Sweden

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 26期

基金：

瑞典研究理事会;

关键词：

LITHIUM-NIOBATE; 2ND-HARMONIC GENERATION; INSULATOR; DEVICES; RESONATORS; LASER; CHIP;

D O I：

10.1364/OE.25.032323

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We design, fabricate and characterize sidewall corrugated Bragg gratings in a high confinement integrated optics lithium niobate platform, comprising submicrometric photonic wires, tapers and grating couplers to interface off-chip standard telecom optical fibers. We analyze the grating performance as band-rejection filter for TE-polarized signals in the telecom C-band, considering both rectangular and sinusoidal sidewall profiles, and demonstrate record extinction ratios as high as 27 dB and rejection bandwidths as narrow as 3 nm. The results show the potential for an efficient integration of novel photonic functionalities into low-footprint LiNbO3 nonlinear and electro-optical waveguide devices. (C) 2017 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：32323 / 32332

页数：10

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