Phonon lasing in transport through double quantum dots
Phonon lasing in transport through double quantum dots
复制标题
通过双量子点传输的声子激光
DOI：
10.1063/1.4848384
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发表时间：
2013
期刊：
影响因子：
--
通讯作者：
Tobias Brandes
中科院分区：
文献类型：
--
作者：
Rin Okuyama;Mikio Eto;Tobias Brandes
提出了一种利用半导体衬底上制备的双量子点（DQD）实现光学声子激光器。DQD耦合到两个模式的LO声子，作为一个自然腔。泵浦是在有限偏压下通过电流实现的。我们表明，激光发生时，隧穿率的外部引线是远远大于声子的衰减率。
An optical phonon laser is proposed using a double quantum dot (DQD) fabricated on semiconductor substrates. The DQD couples to two modes of LO phonons which work as a natural cavity. The pumping is realized by the electric current under a finite bias. We show that lasing takes place when the tunneling rate to external leads is much larger than the decay rate of phonons.