Electrically tunable, room-temperature quantum-cascade lasers

被引：0
|
作者：
Müller, A [1 ]
Beck, M
Faist, J
Oesterle, U
Ilegems, M
机构：
[1] Univ Neuchatel, CH-2000 Neuchatel, Switzerland
[2] Swiss Fed Inst Technol, CH-1015 Lausanne, Switzerland
[3] Alpes Lasers, CH-2008 Neuchatel, Switzerland
来源：
APPLIED PHYSICS LETTERS | 1999年 / 75卷 / 11期
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D O I：
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中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Electrical tuning of two-section quantum-cascade lasers is systematically investigated as a function of temperature and optical power. In pulsed operation, the active region design exhibits a low threshold current density (5.2 kA/cm(2)), a high peak (100 mW), and average (3 mW) powers at 300 K. The strong linear Stark tuning of the laser transition allows large tuning ranges of 40 cm(-1), corresponding to a wavelength tune from 9.75 to 10.15 mu m at 260 K for a peak optical output power of 10 mW. The tuning range is still 20 cm(-1) at the same optical output power at T=300 K. (C) 1999 American Institute of Physics. [S0003-6951(99)04137-6].
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页码：1509 / 1511
页数：3
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