High-Power Pure Blue InGaN Laser Diodes

Atsuo MICHIUE; Takashi MIYOSHI; Tokuya KOZAKI; Tomoya YANAMOTO; Shin-ichi NAGAHAMA; Takashi MUKAI

doi:10.1587/transele.E92.C.194

IEICE Transactions on Electronics

Online ISSN : 1745-1353
Print ISSN : 0916-8524

Special Section on Recent Advances in Integrated Photonic Devices

High-Power Pure Blue InGaN Laser Diodes

Atsuo MICHIUE, Takashi MIYOSHI, Tokuya KOZAKI, Tomoya YANAMOTO, Shin-ichi NAGAHAMA, Takashi MUKAI

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Keywords: InGaN, GaN, high-power laser, blue LD

JOURNAL RESTRICTED ACCESS

2009 Volume E92.C Issue 2 Pages 194-197

DOI https://doi.org/10.1587/transele.E92.C.194

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Abstract

We fabricated high-power pure blue laser diodes (LDs) by using GaN-based material for full-color laser display. The operating output power, voltage and wall-plug efficiency of the LDs at forward current of 1.0A were 1.17W, 4.81V and 24.3%, respectively. The estimated lifetime of the LDs was over 30, 000 hours under continuous-wave operation.

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