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长春光学精密机械与物... [1]
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会议论文 [1]
发表日期
2008 [1]
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Temperature characteristics of high power vertical cavity surface emitting lasers (EI CONFERENCE)
会议论文
Semiconductor Lasers and Applications III, November 12, 2007 - November 13, 2007, Beijing, China
Yan C.
;
He C.
;
Lu G.
;
Qin L.
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提交时间:2013/03/25
By using oxidation confinement technology high power vertical-cavity surface-emitting lasers are fabricated in experiment. The electrical and optical performance characteristics such as threshold current
efficiency
emission wavelength
and output power are measured under continuous wave (CW) condition at room temperature. The maximum output power is up to watt regime at wavelength of about 980nm. The temperature characteristics of the device are investigated experimentally in detail. The variation in lasing threshold current with temperature is studied. The characteristic temperature T0 of the device is derived
and the value is about 211K. Such a high characteristic temperature T0 of threshold current can lead to good temperature sensitivity of the device. At the same time
the lasing spectrum characteristics with temperature are also measured. The wavelength shift with temperature is just about 0.06nm/K. From the measured results
it is shown that the device can still operate at high temperature condition.
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