Fine structure of coupled optical modes in photonic molecules

被引:91
作者
Rakovich, YP [1 ]
Donegan, JF
Gerlach, M
Bradley, AL
Connolly, TM
Boland, JJ
Gaponik, N
Rogach, A
机构
[1] Univ Dublin Trinity Coll, Dept Phys, Semicond Photon Grp, Dublin 2, Ireland
[2] Univ Dublin Trinity Coll, Dept Chem, Dublin 2, Ireland
[3] Univ Hamburg, Inst Phys Chem, D-20146 Hamburg, Germany
[4] Univ Munich, Dept Phys, Photon & Optoelect Grp, D-80799 Munich, Germany
[5] Univ Munich, CeNS, D-80799 Munich, Germany
来源
PHYSICAL REVIEW A | 2004年 / 70卷 / 05期
基金
爱尔兰科学基金会;
关键词
D O I
10.1103/PhysRevA.70.051801
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report on the coherent coupling of whispering gallery modes (WGM) in a photonic molecule formed from two melamine-formaldehyde spherical microcavities with a thin shell of CdTe nanocrystals. Utilizing a microporous polymer structure to orient the photonic molecule, we have excited the photonic molecule both on and off axis. This controllable geometry has allowed the observation of an off-axis fine structure that consists of very sharp peaks resulting from the removal of the WGM degeneracy with respect to the azimuthal quantum number m. The mode splittings are in very good agreement with theory.
引用
收藏
页码:051801 / 1
页数:4
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