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Performance of Deep Ultraviolet GaN Avalanche Photodiodes Grown by MOCVD

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7 Author(s)
Shyh-Chiang Shen ; Georgia Inst. of Technol., Atlanta ; Zhang, Yun ; Dongwon Yoo ; Jae-Boum Limb
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We report high-performance GaN ultraviolet (UV) p-i-n avalanche photodiodes (APDs) fabricated on bulk GaN substrates. The fabricated GaN p-i-n diodes demonstrated optical gains > 104 and low dark current densities operating at wavelengths from 280 to 360 nm. The result is among the highest III-N-based APD gains at the deep UV wavelength of 280 nm reported to date.

Published in:
Photonics Technology Letters, IEEE  (Volume:19 ,  Issue: 21 )

Date of Publication: Nov.1, 2007

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