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High-power operation of AlGaAs SQW-SCH broad-area laser diodes for Nd:YAG solid-state laser pumping

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6 Author(s)
Nagai, Yutaka ; Mitsubishi Electr. Corp., Hyogo, Japan ; Shigihara, Kimio ; Takami, A. ; Karakida, Shoichi
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AlGaAs single-quantum-well separate-confinement-heterostructure (SQW-SCH) single-stripe broad-area laser diodes (LDs) for Nd:YAG solid-state laser pumping were developed. The high-power operation of the SQW-SCH LD was demonstrated. The maximum output power under continuous wave operation at room temperature was 2.6 W in the range of the Nd:YAG absorption band. Stable operation was also confirmed for over 500 h under the condition of 25 degrees C at 1 W under continuous-wave operation.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:3 ,  Issue: 2 )