Multi-Band Operated and Low Power Consumption TO VOA on Silica Platform

IF 2.5 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Technology Letters Pub Date : 2025-07-25 DOI:10.1109/LPT.2025.3592710

Guoyan Zeng;Daming Zhang;Minghui Zhou;Shiyoshi Yokoyama;Yuexin Yin

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引用次数: 0

Abstract

Silica based planar lightwave circuit (PLC) technology is wide commercialized for passive device but suffers from high power consumption. In this letter, a multi-band operated thermo-optic (TO) variable optical attenuator (VOA) with a low power consumption is demonstrated experimentally on silica-based PLC platform. To achieve multi-band and low loss property, Bezier multimode interferometer is utilized for the Mach–Zehnder interferometer based VOA. With folded modulation arms introducing, the power consumption for

$\pi $

shift is reduced to 134/156 mW at 1310/1550 nm. The insertion losses/excess losses in O band and C+L band are lower than 4.4/0.9 dB and 4.7/0.7 dB, respectively. The attenuations are larger than 10.1 dB in O band and 16.0 dB in C+L band. The maximum attenuations are 14.8/28.2 dB at 1320.21/1594.40 nm. At 1310/1550 nm, the rise (10%–90%) and fall time (90%–10%) of the optical signal in VOA are 0.94/0.56 ms and 1.13/1.32 ms, respectively. The proposed structure is potential for optical switch, tunable filter, and other TO devices with broadband and power efficient property.

查看原文本刊更多论文

二氧化硅平台上的多频段低功耗TO VOA

基于二氧化硅的平面光波电路（PLC）技术在无源器件中应用广泛，但功耗高。本文在硅基PLC平台上实验演示了一种低功耗的多波段操作热光（TO）可变光衰减器（VOA）。为了实现多频带和低损耗特性，采用Bezier多模干涉仪实现了基于Mach-Zehnder干涉仪的VOA。随着折叠调制臂的引入，$\pi $移位的功耗在1310/1550 nm处降至134/156 mW。O波段和C+L波段的插入损耗/多余损耗分别小于4.4/0.9 dB和4.7/0.7 dB。在O波段衰减大于10.1 dB，在C+L波段衰减大于16.0 dB。在1320.21/1594.40 nm处，最大衰减为14.8/28.2 dB。在1310/1550 nm处，光信号的上升时间（10% ~ 90%）和下降时间（90% ~ 10%）分别为0.94/0.56 ms和1.13/1.32 ms。该结构可用于光开关、可调谐滤波器和其他具有宽带和节能特性的TO器件。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Photonics Technology Letters 工程技术-工程：电子与电气

CiteScore

5.00

自引率

3.80%

发文量

404

审稿时长

2.0 months

期刊介绍： IEEE Photonics Technology Letters addresses all aspects of the IEEE Photonics Society Constitutional Field of Interest with emphasis on photonic/lightwave components and applications, laser physics and systems and laser/electro-optics technology. Examples of subject areas for the above areas of concentration are integrated optic and optoelectronic devices, high-power laser arrays (e.g. diode, CO2), free electron lasers, solid, state lasers, laser materials'' interactions and femtosecond laser techniques. The letters journal publishes engineering, applied physics and physics oriented papers. Emphasis is on rapid publication of timely manuscripts. A goal is to provide a focal point of quality engineering-oriented papers in the electro-optics field not found in other rapid-publication journals.