Dispersion and loss control of high birefringence photonic crystal fiber with CdSe/ZnS quantum dots film

被引：0
|
作者：
Geng, Yan [1 ]
Wang, He-Lin [1 ]
Chen, Zhong-Shi [1 ]
机构：
[1] Department of Applied Physics, College of Science, Zhejiang University of Technology, Hangzhou
来源：
Guangzi Xuebao/Acta Photonica Sinica | 2015年 / 44卷 / 01期
关键词：
Birefringence; CdSe/ZnS quantum dots; Control; Dispersion; Film; Loss; Photonic crystal fiber;
D O I：
10.3788/gzxb20154401.0106006
中图分类号：
学科分类号：
摘要：
With finite element method, a hexagon High Birefringence Photonic Crystal Fiber (HB-PCF) with two zero-dispersion dots and CdSe/ZnS quantum dots film was designed. The dispersion and loss characteristics of the designed HB-PCFs with the different thickness of CdSe/ZnS quantum dots films were analyzed. The results show that HB-PCFs with CdSe/ZnS quantum dots films exist the fundamental modes along the x- and y-axes of fibers. As pump wavelength increases, the birefringence of HB-PCFs with the same thickness of CdSe/ZnS quantum dots films increases gradually. And their dispersions increase first and then decrease along the x- and y-axes of fiber. The losses of HB-PCFs are close to zero in the visible region while they increase gradually in the infrared region. For the different thickness of CdSe/ZnS quantum dots films, the birefringence of HB-PCFs decreases gradually with the increase of quantum dot film thickness for the same pump wavelength. Their dispersions decrease gradually along the x- and y-axes of fiber, and their two zero-dispersion dots are close to each other, and their losses increase gradually. These research results indicate that the dispersions and losses of the HB-PCFs can be controlled effectively in experiment by depositing the different thickness of CdSe/ZnS quantum dots films and choosing a suitable pump wavelength. ©, 2015, Chinese Optical Society. All right reserved.
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