Continuous-wave operation of a 1.3 mu m wavelength npn AlGaInAs/InP transistor laser up to 90 degrees C
JAPANESE JOURNAL OF APPLIED PHYSICS(2020)
摘要
A transistor laser (TL) is a device that operates at a high-speed with multiple functions such as output control with low wavelength shift and signal mixing. By adopting a high heat dissipation structure with a high-speed compatible wide electrode pad and thick Au plating in TLs, improvement of temperature performance in 1.3 mu m wavelength npn AlGaInAs/InP TL was demonstrated. As a result, continuous-wave operation of a 1.3 mu m TL up to 90 degrees C was achieved. The thermal resistance was estimated to be 25 K W-1, based on the spectrum behavior, which is at least four times lower than the previously observed value.
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关键词
semiconductor laser,transistor laser,AlGaInAs,InP
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