Controlling the emission of THz quantum cascade lasers

被引:0
|
作者
Xu, J. [1 ]
Mahler, L. [1 ]
Green, R. [1 ]
Mauro, C. [1 ]
Losco, T. [1 ]
Tredicucci, A. [1 ]
Beltram, F. [1 ]
Beere, H. E. [2 ]
Ritchie, D. A. [2 ]
机构
[1] Scuola Normale Super Pisa, CNR, INFM, NEST, Piazza Cavalieri 7, I-56126 Pisa, Italy
[2] Univ Cambridge, Cavendish Lab, Cambridge CB3 OHE, England
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中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The development of quantum cascade lasers (QCLs) operating at terahertz frequencies (THz) is proceeding at a very rapid pace, For their successful practical implementation, specific requirements have now to be addressed, particularly concerning the spectral properties of the emitted radiation. Single-mode THz lasers with external cavity have been achieved. Optical self-mixing has been observed in THz QCLs in the presence of an external cavity for insight into the line-width enhancement.
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页码:531 / 531
页数:1
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