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High-Power and High-Speed Zn-Diffusion Single Fundamental-Mode Vertical-Cavity Surface-Emitting Lasers at 850-nm Wavelength

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6 Author(s)
Shi, J.-W. ; Dept. of Electr. Eng., Nat. Central Univ., Taoyuan ; Chen, C.-C. ; Wu, Y.-S. ; Guol, S.-H.
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We demonstrate a high-performance Zn-diffusion single-mode 850-nm vertical-cavity surface-emitting laser, which has a low threshold current (0.5 mA), high differential efficiency (80%), high modulation current efficiency (8.2 GHz/mA), and can sustain the single fundamental-mode output with a maximum output power of 7.3 mW under the full range of bias currents. With this device we can achieve 10 Gb/s eye-opening at a low bias current (1.8 mA) and a peak-to-peak driving-voltage of 0.5 V, which corresponds to a very high data-rate/power-dissipation ratio of 6.5 Gps/mW.

Published in:

Photonics Technology Letters, IEEE  (Volume:20 ,  Issue: 13 )