Optically pumped quantum dot lasers using high-Q microdisk cavities

被引：0
|
作者：
Michler, P [1 ]
Kiraz, A [1 ]
Becher, C [1 ]
Zhang, LD [1 ]
Hu, E [1 ]
Imamoglu, A [1 ]
Schoenfeld, WV [1 ]
Petroff, PM [1 ]
机构：
[1] Univ Bremen, Inst Festkorperphys, D-28334 Bremen, Germany
来源：
PROCEEDINGS OF THE 25TH INTERNATIONAL CONFERENCE ON THE PHYSICS OF SEMICONDUCTORS, PTS I AND II | 2001年 / 87卷
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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：
We report experimental observation of optically-pumped continuous-wave lasing from self-assembled quantum dots (QDs) embedded in high-quality factor (Q) microdisk laser structures. For large diameter (4.5 mum) microdisks containing InAs QDs, the emission spectra show simultaneous lasing on 1 to 5 well separated modes (Q = 10000 - 17000) in the wavelength range between 920 and 990 nm. For small diameter (2 mum) microdisks containing (In,Ga)As QDs, lasing occurs even when the estimated average number of QDs inside the cavity-mode volume is unity.
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页码：655 / 656
页数：2
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