Role of re-absorption effect to quality factor in quantum-dot photonic-crystal nanocavities

被引：1
|
作者：
Tawara, T. [1 ]
Kamada, H. [1 ]
Zhang, Y. -H. [1 ,2 ]
Tanabe, T. [1 ]
Cade, N. I. [1 ]
Gotoh, H. [1 ]
Ding, D. [2 ]
Johnson, S. R. [2 ]
Kuramochi, E. [1 ]
Notomi, M. [1 ]
Nakano, H. [1 ]
机构：
[1] NTT Corp, NTT Basic Res Labs, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa 2430198, Japan
[2] Arizona State Univ, Ctr Solid State Elec Res & Dpet Elec Engn, Tempe, AZ 85287 USA
来源：
2007 INTERNATIONAL CONFERENCE ON INDIUM PHOSPHIDE AND RELATED MATERIALS, CONFERENCE PROCEEDINGS | 2007年
关键词：
D O I：
10.1109/ICIPRM.2007.381234
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 have systematically evaluated quality (Q) factor in quantum-dot (QD) photonic-crystal nanocavities. The measured Q factor was very sensitive to the detuning energy of the cavity mode to QD inhomogeneous broadening due to the re-absorption effect of the uncoupled QDs within the nanocavity. We achieved a high Q factor of over 10,000 and an ultra-low threshold lasing by the detuning of the cavity mode and the suppression of this effect.
引用
收藏
页码：490 / 492
页数：3
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