Chinese Optics Letters, 2019, 17 (11): 111402, Published Online: Sep. 6, 2019  

4 × 40 GHz mode-locked laser diode array monolithically integrated with an MMI combiner

Huan Wang 1,2,3Lu Guo 1,2,3Wu Zhao 1,2,3Guangcan Chen 1,2,3Dan Lu 1,2,3,*Lingjuan Zhao 1,2,3
Author Affiliations
1 Key Laboratory of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
2 Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
3 Beijing Key Laboratory of Low Dimensional Semiconductor Materials and Devices, Beijing 100083, China
Abstract
We report a distributed-Bragg-reflectors-based 4 × 40 GHz mode-locked laser diode (MLLD) array monolithically integrated with a multimode interference (MMI) combiner. The laser produces 2.98 ps pulses with a time-bandwidth product of 0.39. The peak wavelength of the MLLD array can be tuned by 8.4 nm while maintaining a good mode-locked state. The four mode-locked channels could work simultaneously with the peak wavelength interval around 3 nm.

Huan Wang, Lu Guo, Wu Zhao, Guangcan Chen, Dan Lu, Lingjuan Zhao. 4 × 40 GHz mode-locked laser diode array monolithically integrated with an MMI combiner[J]. Chinese Optics Letters, 2019, 17(11): 111402.

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