Jida Hou, Cong Xiong, Qiong Qi, Suping Liu, Xiaoyu Ma. Optimization Design of Epitaxially-Stacked Multiple-Active-Region Lasers[J]. Acta Optica Sinica, 2018, 38(10): 1014001
- Acta Optica Sinica
- Vol. 38, Issue 10, 1014001 (2018)
Fig. 1. Schematic of three-active-region lasers based on epitaxially-stacked structure
Fig. 2. Refractive index, fundamental mode and the first mode distribution of double-active-region lasers
Fig. 3. Refractive index profile, near-field optical intensity of fundamental mode, doping concentration and free carrier absorption loss distribution in each region of three-active-region lasers
Fig. 4. Diagram of the far-field divergence patterns of calculated and measured three-active-region lasers
Fig. 5. Typical P-I characteristics of laser diodes adopting epitaxially-stacked structure with 3 emitters and traditional structure with a single emitter in a pulsed mode (150 ns, 6.67 kHz), embedded diagram of the upper left corner shows the detected pulsed laser optical power signal
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