Modelling of an intersubband quantum confined Stark effect in Ge quantum wells for mid-infrared photonics

被引：4
|
作者：
Barzaghi, A. [1 ]
Falcone, V [1 ]
Calcaterra, S. [1 ]
Marris-morini, D. [2 ]
Virgilio, M. [3 ]
Frigerio, J. [1 ]
机构：
[1] Politecn Milan, Dipartimento Fis, L NESS, I-20133 Milan, Italy
[2] Univ Paris Saclay, Ctr Nanosci & Nanotechnol, CNRS, F-91120 Palaiseau, France
[3] Univ Pisa, Dipartimento Fis E Fermi, Largo Pontecorvo 3, I-56127 Pisa, Italy
来源：
OPTICS EXPRESS | 2022年 / 30卷 / 26期
关键词：
WAVE-GUIDES; MICROWAVE-RECTIFICATION; 2ND-HARMONIC GENERATION; INFRARED PHOTODETECTORS; INTEGRATED PHOTONICS; SILICON; SPECTROSCOPY; ABSORPTION; MODULATORS;
D O I：
10.1364/OE.476735
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this work we theoretically investigate quantum confined Stark effect of intersubband transitions in asymmetric Ge/SiGe quantum wells for intensity modulation in the mid-infrared. Our calculations show that extinction ratios up to 1 dB and modulation speeds of several tens of GHz could be obtained in 100 mu m long waveguides.(c) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
引用
收藏
页码：46710 / 46721
页数：12
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