High-Resolution AWG-Based Fiber Bragg Grating Interrogator

被引：20

作者：

Pustakhod, Dzmitry ^{[1
]}

Kleijn, Emil ^{[1
]}

Williams, Kevin ^{[1
]}

Leijtens, Xaveer ^{[1
]}

机构：

[1] Eindhoven Univ Technol, COBRA Res Inst, NL-5600 MB Eindhoven, Netherlands

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2016年 / 28卷 / 20期

关键词：

Photonic integrated circuits; optical waveguide filters; fiber Bragg grating;

D O I：

10.1109/LPT.2016.2587812

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：

A novel InP-based monolithically integrated multi-wavelength detector is used as the central part of a fiber Bragg grating interrogator unit. We have designed the arrayed waveguide grating in the device such that at least two detectors have a significant signal at any wavelength being measured. Consequently, the measurement resolution is increased while keeping the area of device small. We demonstrate the resolution of the measurement to be 0.32 pm over a working range of 10 nm. The corresponding relative resolution of 0.003% is to our knowledge the best reported to date in an integrated interrogator.

引用

页码：2203 / 2206

页数：4

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