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Electrically tunable terahertz quantum-cascade laser with a heterogeneous active region

  作者 Khanna, SP; Salih, M; Dean, P; Davies, AG; Linfield, EH  
  选自 期刊  Applied Physics Letters;  卷期  2009年95-18;  页码  181101-181101  
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[摘要]We demonstrate experimentally a terahertz frequency quantum-cascade laser which can be tuned electronically, in a step-wise manner from typically 3.07 to 3.40 THz, by changing the applied electric field across the device. To achieve this, the gallium grow

 
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