Fabrication and optimization of 1.55-[mu]m InGaAsP/InP high-power semiconductor diode laser
A comprehensive design optimization of 1.55-[mu]m high power InGaAsP/InP board area lasers is performed aiming at increasing the internal quantum efficiency ([eta] sub(i)) while maintaining the low internal loss ([alpha] sub(i)) of the device, thereby achieving high power operation. Four different w...
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| Veröffentlicht in: | Journal of semiconductors 2015-09, Vol.36 (9) |
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| container_issue | 9 |
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| container_title | Journal of semiconductors |
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| creator | Ke, Qing Tan, Shaoyang Liu, Songtao Lu, Dan Zhang, Ruikang Wang, Wei Ji, Chen |
| description | A comprehensive design optimization of 1.55-[mu]m high power InGaAsP/InP board area lasers is performed aiming at increasing the internal quantum efficiency ([eta] sub(i)) while maintaining the low internal loss ([alpha] sub(i)) of the device, thereby achieving high power operation. Four different waveguide structures of broad area lasers were fabricated and characterized in depth. Through theoretical analysis and experiment verifications, we show that laser structures with stepped waveguide and thin upper separate confinement layer will result in high [eta] sub(i) and overall slope efficiency. A continuous wave (CW) single side output power of 160 mW was obtained for an uncoated laser with a 50-[mu]m active area width and 1 mm cavity length. |
| doi_str_mv | 10.1088/1674-4926/36/9/094010 |
| format | Article |
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Four different waveguide structures of broad area lasers were fabricated and characterized in depth. Through theoretical analysis and experiment verifications, we show that laser structures with stepped waveguide and thin upper separate confinement layer will result in high [eta] sub(i) and overall slope efficiency. 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Four different waveguide structures of broad area lasers were fabricated and characterized in depth. Through theoretical analysis and experiment verifications, we show that laser structures with stepped waveguide and thin upper separate confinement layer will result in high [eta] sub(i) and overall slope efficiency. 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Four different waveguide structures of broad area lasers were fabricated and characterized in depth. Through theoretical analysis and experiment verifications, we show that laser structures with stepped waveguide and thin upper separate confinement layer will result in high [eta] sub(i) and overall slope efficiency. A continuous wave (CW) single side output power of 160 mW was obtained for an uncoated laser with a 50-[mu]m active area width and 1 mm cavity length.</abstract><doi>10.1088/1674-4926/36/9/094010</doi></addata></record> |
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| ispartof | Journal of semiconductors, 2015-09, Vol.36 (9) |
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| source | IOP Publishing Journals; Alma/SFX Local Collection |
| subjects | Boards Holes Indium phosphides Lasers Optimization Semiconductor diodes Semiconductors Waveguides |
| title | Fabrication and optimization of 1.55-[mu]m InGaAsP/InP high-power semiconductor diode laser |
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