Thermally induced transmission variations in ZnSe/MgF2 photonic band gap structures

被引:29
作者
Larciprete, MC
Sibilia, C
Paoloni, S
Leahu, G
Li Voti, R
Bertolotti, M
Scalora, M
Panajotov, K
机构
[1] Univ Roma La Sapienza, INFM, I-00161 Rome, Italy
[2] Univ Roma La Sapienza, Dipartimento Energet, I-00161 Rome, Italy
[3] USA, Aviat & Missile Command, Weap Sci Directorate, AMSAM RD WS ST, Redstone Arsenal, AL 35898 USA
[4] Univ Sofia, Inst Solid State Phys, Sofia, Bulgaria
关键词
D O I
10.1063/1.1499981
中图分类号
O59 [应用物理学];
学科分类号
摘要
We investigate thermally induced transmission variations in a 3.6-mum-thick ZnSe/MgF2 photonic band gap structure by means of a pump-probe setup, in the 600-700 nm range, under cw pump conditions. An induced temperature increase is responsible for the thermal expansion of the layers, as well as changes in the index of refraction. As a result, the band gap structure is redshifted by several nanometers. The initial transmission of the probe beam was restored following the removal of the pump laser, thus indicating the reversible nature of the process. (C) 2002 American Institute of Physics.
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收藏
页码:2251 / 2255
页数:5
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