Heavy photon dispersions in photonic crystal waveguides

被引：63
作者：
Astratov, VN
Stevenson, RM
Culshaw, IS
Whittaker, DM
Skolnick, MS
Krauss, TF
De La Rue, RM
机构：
[1] Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, England
[2] Toshiba Europe Res Ltd, Cambridge CB4 OHE, England
[3] Univ Glasgow, Dept Elect & Elect Engn, Glasgow G12 8LT, Lanark, Scotland
来源：
APPLIED PHYSICS LETTERS | 2000年 / 77卷 / 02期
关键词：
D O I：
10.1063/1.126916
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Heavy photon dispersion curves exhibiting group velocities suppressed by two orders of magnitude are measured directly for deeply etched AlGaAs waveguide structures by means of surface coupling techniques. It is shown that due to the wave vector-selective nature of surface coupling, such techniques permit the excitation of modes of specific, known dispersion in photonic crystal waveguides. Coupling to regions of very strong anomalous dispersion is demonstrated, with potential to be developed into a method for excitation of gap solitons. (C) 2000 American Institute of Physics. [S0003-6951(00)04728-8].
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页码：178 / 180
页数：3
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