Multi-wavelength colloidal quantum dot lasers in distributed feedback cavities

被引：24
作者：
Hayat, Anwer [1 ,2 ]
Tong, Junhua [1 ,2 ]
Chen, Chao [1 ,2 ]
Niu, Lianze [1 ,2 ]
Aziz, Gohar [1 ,2 ]
Zhai, Tianrui [1 ,2 ]
Zhang, Xinping [1 ,2 ]
机构：
[1] Beijing Univ Technol, Inst Informat Photon Technol, Beijing 100124, Peoples R China
[2] Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
来源：
SCIENCE CHINA-INFORMATION SCIENCES | 2020年 / 63卷 / 08期
基金：
中国国家自然科学基金; 北京市自然科学基金;
关键词：
multi-wavelength; quantum dots lasers; distributed feedback; flexible; tunable; POLYMER LASERS; STIMULATED-EMISSION; AUGER RECOMBINATION; OPTICAL GAIN; NANOCRYSTALS; SUPPRESSION;
D O I：
10.1007/s11432-019-2753-3
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Lasers with multi-wavelength colloidal quantum dots (CQDs) can be achieved using complex grating structures and flexible substrate. The structure contains graduated periods and rectangular cavity fabricated through interference lithography, which acts as the distributed feedback cavity. A layer of densely packed CQD film is deposited on the cavity via spin coating technique. The performance of CQD lasers based on different distributed feedback cavities is investigated. Multi-wavelength lasing is achieved based on a flexible rectangular cavity.
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页数：7
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