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18.2: Invited Paper: Single‐emitter 638nm laser diode with 4W continuous wave power
Author(s) -
Xie Yehua,
Qiu Yuzhen,
Ho James,
Wang Weimin,
Kuang Langxing,
Liu Wenbin,
Hu Martin
Publication year - 2021
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.14401
Subject(s) - continuous wave , common emitter , diode , laser , materials science , power (physics) , optoelectronics , fabrication , heat sink , optics , duty cycle , electrical engineering , physics , engineering , medicine , alternative medicine , pathology , quantum mechanics
High‐power red laser diodes are essential light sources for display applications. In this paper, we report the design, fabrication and characterization of single‐emitter 638nm laser diode with 4 W continuous wave power. The saturation and COD power of this 110um stripe width LD exceeds 4.0 W and 6.3 W at heatsink temperature of 20°C, respectively. At the operation power of 1 W, the Wall‐Plug efficiency can reach 38.3% and 41.8% for the continuous and pulsed wave with duty of 33.3%. The characteristics temperature T0 and T1 for this device is 62 K and 114K.

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