All-optical nonlinear switching in GaAs-AlGaAs microring resonators

被引：194
|
作者：
Van, V [1 ]
Ibrahim, TA
Ritter, K
Absil, PP
Johnson, FG
Grover, R
Goldhar, J
Ho, PT
机构：
[1] Lab Phys Sci, College Pk, MD 20740 USA
[2] Univ Maryland, Dept Elect & Comp Engn, College Pk, MD 20742 USA
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2002年 / 14卷 / 01期
基金：
加拿大自然科学与工程研究理事会;
关键词：
all-optical switching; microrings; photonic switching; pump and probe; semiconductor microresonators; two photon absorption;
D O I：
10.1109/68.974166
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, we demonstrate all-optical nonlinear switching in compact GaAs-AlGaAs microring resonators at the 1.55-mum wavelength. Switching is accomplished in the pump-and-probe configuration in which the pump-and-probe signals are tuned to different resonance wavelengths of the microring. Refractive index change in the microring due to free carriers generated by two photon absorption is used to switch the probe beam in and out of resonance. Measured transient responses of the pump and probe through the microring show good agreement with theoretical predictions based on nonlinear pump-probe interaction due to two photon absorption.
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页码：74 / 76
页数：3
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