二氧化硅光纤表面MOCVD沉积锌铋硫族化物薄膜

IF 0.3 4区物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY

Lithuanian Journal of Physics Pub Date : 2020-01-05 DOI:10.3952/physics.v59i4.4136

P. Kuznetsov, G. Yakushcheva, E. Savelyev, V. Yapaskurt, V. Shcherbakov, Alexey Temiryasev, L. Zakharov, V. A. Jitov, D. Sudas

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引用次数: 3

摘要

金属有机化学气相沉积(MOCVD)技术适用于在短锥段二氧化硅光纤表面沉积薄锌和铋硫族化物薄膜。以ZnEt2、BiMe3、Et2Te和i-Pro2Se为有机金属前驱体，在425℃的常压氢气条件下，在特殊的管状石英反应器中进行了生长。在硫族化物沉积过程中，以有规律的短时间间隔记录了纤维的透射光谱。在经ZnSe和ZnTe包覆的锥形截面光纤的透射光谱中，在锥形腰直径小于30 μm处观察到损耗模式共振(LMR)。在直径约10 μm的锥形腰上沉积极薄的Bi2Te3和Bi2Se3岛膜后，构建了铒光纤环形激光器。由于谐振腔q因子调制，在某些激光器中实现了脉冲产生模式。这些结果可用于LMR光纤传感器和被动调q脉冲光纤激光器的设计。

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MOCVD deposition of zinc and bismuth chalcogenides films on the surface of silica optical fibres

Metal organic chemical vapour deposition (MOCVD) technology is adapted for the deposition of thin zinc and bismuth chalcogenides films on the surface of silica optical fibres with short tapered sections. Growth runs were carried out in a special tubular quartz reactor at atmospheric pressure of hydrogen at 425°C temperature using ZnEt2, BiMe3, Et2Te and i-Pro2Se as organometallic precursors. During the deposition of chalcogenides, the transmittance spectra of the fibre were recorded in regular short time intervals. In the transmittance spectra of the fibre with a tapered section coated by ZnSe and ZnTe, lossy mode resonances (LMR) were observed at a diameter of the tapered waist below 30 μm. After the deposition of very thin Bi2Te3 and Bi2Se3 island films on the tapered waist with a diameter about 10 μm optical fibres were built into erbium fibre ring lasers. A pulsed generation mode was achieved in some of lasers due to resonator Q-factor modulation. These results can be applied for the design of LMR fibre sensors and passively Q-switch pulsed fibre lasers.

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来源期刊

Lithuanian Journal of Physics 物理-物理：综合

CiteScore

0.90

自引率

16.70%

发文量

审稿时长

>12 weeks

期刊介绍： The main aim of the Lithuanian Journal of Physics is to reflect the most recent advances in various fields of theoretical, experimental, and applied physics, including: mathematical and computational physics; subatomic physics; atoms and molecules; chemical physics; electrodynamics and wave processes; nonlinear and coherent optics; spectroscopy.