Photonics Research, 2017, 5 (3): 03000245, Published Online: Oct. 9, 2018   

Methods to improve the performance of the swept source at 1.0  μm based on a polygon scanner

Author Affiliations
1 State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu 610054, China
2 School of Electronic and Communication Engineering, Guiyang University, Guiyang 550005, China
3 Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, China
4 College of Optoelectronic Technology, Chengdu University of Information Technology, Chengdu 610225, China
Abstract
In this work, we investigate the methods to improve the performance of the swept source at 1.0 μm based on a polygon scanner, including in-cavity parameters and booster structures out of the cavity. The three in-cavity parameters are the cavity length, the rotating speed of the polygon scanner, and the in-cavity energy. With the decrease of cavity length, the spectrum bandwidth becomes wider and the duty cycle becomes higher. With the increase of the rotating speed of the polygon, the spectrum bandwidth becomes narrower, and the duty cycle becomes lower but the repetition rate becomes higher. With more energy in-cavity, the spectrum bandwidth becomes wider and the duty cycle becomes higher. The booster structures include the buffered structure, secondary amplifier, and dual-semiconductor optical amplifier configuration, which are used to increase the sweep frequency to 86 kHz, the output power to 18 mW, and the tuning bandwidth to 131 nm, respectively.

Jing Cao, Pinghe Wang, Yan Zhang, Guohua Shi, Bo Wu, Shangjian Zhang, Yong Liu. Methods to improve the performance of the swept source at 1.0  μm based on a polygon scanner[J]. Photonics Research, 2017, 5(3): 03000245.

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