Quantum dot photonic crystal nanocavities at 1300 nm for telecom-wavelength single-photon sources

被引：33
|
作者：
Francardi, M. [1 ]
Balet, L. [2 ]
Gerardino, A. [1 ]
Monat, C. [2 ]
Zinoni, C. [2 ]
Li, L. H. [2 ]
Alloing, B. [2 ]
Le Thomas, N. [2 ]
Houdre, R. [2 ]
Fiore, A. [1 ,2 ]
机构：
[1] CNR, Inst Photon & Nanotechnol, Via Cineto Romano 41, I-00156 Rome, Italy
[2] Ecole Polytech Fed Lausanne, Inst Photon & Quantum Elect, CH-1015 Lausanne, Switzerland
来源：
PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 3, NO 11 | 2006年 / 3卷 / 11期
基金：
瑞士国家科学基金会;
关键词：
D O I：
10.1002/pssc.200671612
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Photonic Crystal (PhC) nanocavities have shown to be good candidates to enhance the spontaneous emission (SE) rate of an emitter into a specific cavity mode (Purcell effect) and allow the implementation of single photon sources. We report our progress in the fabrication of PhC nanocavities with high quality factors in the 1300 nm region. PhC nanocavities with H1 and L3 geometries were characterised in a microphotoluminescence set-up at room temperature. The quality factor was studied as a function of lattice constant a, filling factor, lateral displacement and radius of holes adjacent to the cavity in the L3 geometry. A Q = 3000 is measured in a L3 cavity with filling factor = 35%, a = 311 nm, displacement of 0.125 a and r = 0.53r(0). (c) 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：3693 / +
页数：2
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