PbS Quantum Dot Doped Polymer Broadband Optical Fiber Amplifier

CHEN Daoyuan; CUI Junjie; XU Beibei; MAN Tao; ZHANG Duoduo; TU Youyu; LIU Xiaofeng; QIU Jianrong

doi:10.37188/CJL.20230140

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PbS Quantum Dot Doped Polymer Broadband Optical Fiber Amplifier

Device Fabrication and Physics | 更新时间：2023-11-01

- PbS Quantum Dot Doped Polymer Broadband Optical Fiber Amplifier
  增强出版
- Chinese Journal of Luminescence Vol. 44, Issue 10, Pages: 1824-1832(2023)
- 作者机构：
  
  1.浙江大学光电科学与工程学院，极端光学技术与仪器全国重点实验室，浙江杭州　310058
  2.浙江大学材料科学与工程学院，浙江杭州　310058
- 作者简介：
- 基金信息：
  
  National Key R&D Program of China(2020YFB1805900;2020YFB1805902)
- DOI：10.37188/CJL.20230140
  CLC： TN253
- Published：05 October 2023，
  
  Received：30 May 2023，
  
  Revised：18 June 2023，
- 稿件说明：
移动端阅览
陈道远,崔俊杰,许贝贝等.PbS量子点掺杂聚合物宽带光纤放大器[J].发光学报,2023,44(10):1824-1832.

CHEN Daoyuan,CUI Junjie,XU Beibei,et al.PbS Quantum Dot Doped Polymer Broadband Optical Fiber Amplifier[J].Chinese Journal of Luminescence,2023,44(10):1824-1832.
陈道远,崔俊杰,许贝贝等.PbS量子点掺杂聚合物宽带光纤放大器[J].发光学报,2023,44(10):1824-1832. DOI： 10.37188/CJL.20230140.

CHEN Daoyuan,CUI Junjie,XU Beibei,et al.PbS Quantum Dot Doped Polymer Broadband Optical Fiber Amplifier[J].Chinese Journal of Luminescence,2023,44(10):1824-1832. DOI： 10.37188/CJL.20230140.

摘要

随着人工智能、大数据、云计算、物联网、移动电子等的发展，传统的稀土离子掺杂单芯单模光纤放大器承载的光纤通信系统的传输容量已经逐渐接近香农极限，需要发展新型材料体系，以拓宽光纤通信系统的传输容量。相比于稀土离子，量子点具有较宽的发光带宽、可调波长的发光特性，且量子点的发光性质可以通过多种化学手段调控，在量子点光放大器上显示出了宽带光放大特性，受到学术界和产业界的广泛关注。在该背景下，本文提出将化学合成的PbS/CdS核壳量子点与低损耗聚合物集成，获得量子点掺杂光纤放大器，实现近红外通信波段可调波长、宽带光放大特性。文章研究并揭示了影响固化后的聚合物纤芯连续性的因素和影响机制，提出了降低固化胶前驱体液面附加压力、固化收缩力、聚合物前驱体与光纤内壁的摩擦力，并提高抽真空产生的牵引力以获得连续光纤，在此基础上获得了基于热固化聚二甲基硅氧烷（PDMS）和光固化NOA61、NOA85固化胶的纤芯连续光纤，量子点光纤在1 530~1 630 nm获得了增益带宽达到100 nm以上的开关增益，最高增益达到6.5 dB。本文的研究结果将促进量子点光纤器件和宽带光通信技术的发展。

Abstract

With the development of artificial intelligence， big data， cloud computing， Internet of Things， mobile electronics， and so on， the transmission capacity of the traditional optical fiber communication system carried by the rare earth ion-doped single-core single-mode fiber amplifier has gradually approached the limit of Shannon's law. It is necessary to develop a new material system to broaden the transmission capacity of the optical fiber communication system. Compared with rare earth ions， quantum dots（QDs） have a wide luminescence bandwidth and tunable wavelength， and the luminescence properties of QDs can be modulated by a variety of chemical means. QDs-doped optical amplifier shows broadband optical gain properties， which has attracted wide attention from academia and industry. In this context， this paper proposes to integrate chemically synthesized PbS/CdS core-shell QDs with low-loss polymer to obtain QDs -doped fiber amplifier（QDFA）， realize tunable wavelength and broadband optical amplification in the near-infrared （NIR） communication band. This paper studies and reveals the factors and mechanisms affecting the continuity of polymer fiber. It proposes to reduce the additional pressure related to surface tension， contraction force during solidifying， the friction force by the inner wall of fiber core， and improve the traction force from the pumping by vacuum pump to obtain continuous optical fiber. By optimizing these factors， we obtained continuous fiber core based on heat curing PDMS and light curing NOA61 and NOA85 UV glue. Consequently， the QDFAs realize the highest gain of 6.5 dB， and gain bandwidth of more than 100 nm. The results of this paper will facilitate the development of quantum dot fiber optic devices and broadband optical communication technologies.

关键词

量子点聚合物光纤宽带光纤放大器

Keywords

quantum dotspolymer optical fiberbroadband optical fiber amplifier

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Related Institution

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