Uniform characteristics with low threshold and high efficiency fora single-transverse-mode vertical-cavity surface-emitting laser-typedevice array |
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| Authors: | Kosaka H. Kurihara K. Uemura A. Yoshikawa T. Ogura I. Numai T. Sugimoto M. Kasahara K. |
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| Affiliation: | Opto-Electron. Res. Labs., NEC Corp., Ibaraki; |
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| Abstract: | Vertical-to-surface transmission electrophotonic devices with a vertical-cavity are described. The individually accessed 12×4 arrays are characterized and demonstrated to have uniform room-temperature continuous-wave operating characteristics for a threshold current of ~2.8±0.15 mA and a slope efficiency of ~0.18±0.012 W/A with a single transverse mode. Both low threshold and high efficiency with 5% and 7% deviation, respectively, are achieved simultaneously. These devices can be used to constructing two-dimensional massively parallel optical interconnections |
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