Photonics Research, Volume. 12, Issue 9, 1991(2024)
Quantum dot fourth-harmonic colliding pulse mode-locked laser for high-power optical comb generation
Fig. 1. (a) Illustration of epitaxial layers of InAs QD lasers; (b) cross-sectional SEM image of fabricated QD-CPML; (c) schematic of this 200 GHz QD-CMPL (inset, the top-view microscopic image of 200 GHz QD-CPML); (d) photograph of device after wire-bonding and butterfly packaging.
Fig. 2. (a)
Fig. 3. (a) Experimental setup for the measurement of FROG (I), linewidth (II) and RIN (III); (b) optical spectrum of this QD-CPML at
Fig. 4. (a) Experimental arrangement for transmission measurements, including optical bandpass filter, polarization controller, arbitrary waveform generator, RF amplifier, thin-film lithium niobate Mach–Zehnder modulator, and optical sampling oscilloscope; (b) 100 Gbaud PAM-4 and (c) 90 Gbaud PAM-8 optical eye diagrams with outer extinction ratio of four individual comb lines.
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Jing-Zhi Huang, Bo Yang, Jia-Jian Chen, Jia-Le Qin, Xinlun Cai, Jie Yan, Xi Xiao, Zi-Hao Wang, Ting Wang, Jian-Jun Zhang, "Quantum dot fourth-harmonic colliding pulse mode-locked laser for high-power optical comb generation," Photonics Res. 12, 1991 (2024)
Category: Lasers and Laser Optics
Received: Apr. 23, 2024
Accepted: Jul. 3, 2024
Published Online: Aug. 28, 2024
The Author Email: Ting Wang (wangting@iphy.ac.cn)
CSTR:32188.14.PRJ.525382