Local tuning of photonic crystal cavities using chalcogenide glasses

被引:85
作者
Faraon, Andrei [1 ]
Englund, Dirk [1 ]
Bulla, Douglas [2 ]
Luther-Davies, Barry [2 ]
Eggleton, Benjamin J. [3 ]
Stoltz, Nick [4 ]
Petroff, Pierre [4 ]
Vuckovic, Jelena [5 ]
机构
[1] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA
[2] Australian Natl Univ, Laser Phys Ctr, Ctr Ultrahigh Bandwidth Devices Opt Syst, Canberra, ACT 0200, Australia
[3] Univ Sydney, Sch Phys, Ctr Ultrahigh Bandwidth Devices Opt Syst, Sydney, NSW 2006, Australia
[4] Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA
[5] Stanford Univ, EL Ginzton Lab, Stanford, CA 94305 USA
基金
美国国家科学基金会;
关键词
22;
D O I
10.1063/1.2839308
中图分类号
O59 [应用物理学];
学科分类号
摘要
We demonstrate a method to locally change the refractive index in planar optical devices by photodarkening of a thin chalcogenide glass layer deposited on top of the device. The method is used to tune the resonance of GaAs-based photonic crystal cavities by up to 3 nm at 940 nm. The method has broad applications for postproduction tuning of photonic devices. (C) 2008 American Institute of Physics.
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页数:3
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