Terahertz quantum cascade lasers with copper metal-metal waveguides operating up to 178 K

Terahertz quantum cascade lasers with copper metal-metal waveguides operating up to 178 K
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DOI:
10.1364/oe.16.003242
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发表时间:
2008-03-03
期刊:
影响因子:
3.8
通讯作者:
Linfield, Edmund H.
Linfield, Edmund H.
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Belkin, Mikhail A.;Fan, Jonathan A.;Linfield, Edmund H.

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我们报道了一种脉冲模式的太赫兹量子级联激光器,发射频率为3 THz,最高温度为178 K。最大工作温度的提高是通过使用三量子阱有源区设计与共振声子减少和通过利用铜,而不是金,在金属-金属波导的包层材料。(c)2008年美国光学学会。
We report terahertz quantum cascade lasers operating in pulsed mode at an emission frequency of 3 THz and up to a maximum temperature of 178 K. The improvement in the maximum operating temperature is achieved by using a three-quantum-well active region design with resonant-phonon depopulation and by utilizing copper, instead of gold, for the cladding material in the metal-metal waveguides. (c) 2008 Optical Society of America.