Jing Liu, Mingjin Wang, Yufei Wang, Xuyan Zhou, Ting Fu, Aiyi Qi, Hongwei Qu, Xiaoxu Xing, Wanhua Zheng, "High peak power density and low mechanical stress photonic-band-crystal diode laser array based on non-soldered packaging technology," Chin. Opt. Lett. 20, 071403 (2022)
- Chinese Optics Letters
- Vol. 20, Issue 7, 071403 (2022)
Fig. 1. Schematic of a single MCC diode laser.
Fig. 2. Schematic of the vertical diode laser array.
Fig. 3. Schematic of a single PBC laser emitter.
Fig. 4. Far-field incoherent irradiance distribution of the two diode laser arrays. (a) Irradiance distribution of the PBC diode laser array. (b) Irradiance distribution of the conventional diode laser array.
Fig. 5. Simulation model of the PBC laser bar.
Fig. 6. Stress distribution of the two PBC diode laser bars. (a) Stress distribution of the bar with indium soldered. (b) Stress distribution of the bar with non-soldered.
Fig. 7. Deformation distribution of the two PBC diode laser bars. (a) Deformation distribution of the bar with indium soldered. (b) Deformation distribution of the bar with non-soldered.
Fig. 8. Temperature distribution of the two PBC diode laser bars. (a) Temperature distribution of the bar with indium soldered. (b) Temperature distribution of the bar with non-soldered.
Fig. 9. Light spots in free transmission of the two diode laser bars. (a) Light spot of the conventional bar. (b) Light spot of the PBC bar.
Fig. 10. (a) PBC diode laser array with two non-soldered bars. (b) P and N sides contact.
Fig. 11. (a) Power, (b) slope efficiency, and (c) wavelength of the PBC diode laser arrays with non-soldered and indium soldered.
Fig. 12. “Smile” of the PBC diode laser array with non-soldered. (a) The “smile.” (b) The optimized “smile.”
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Table 1. Parameters of PBC and Conventional Laser Bar
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Table 2. Parameters of Material Performance
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