Bandgap Control for Intersubband Transition in InGaAs/AlAsSb Coupled Double Quantum Wells

Jijun Feng,Ryoichi Akimoto,Shinichiro Gozu,Teruo Mozume,Toshifumi Hasama,Hiroshi Ishikawa

IEEE Photonics Technology Letters（2013）

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摘要

This letter demonstrates bandgap control of ion-induced intermixing on InGaAs/AlAsSb coupled double quantum wells (CDQWs). With phosphorus ion implantation and different rapid thermal annealing (RTA) processes, the blueshift of the bandgap profile can be tailored. The influence of quantum well intermixing on the cross-phase modulation (XPM), caused by the intersubband transition in the CDQWs, is a...

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关键词

Optical waveguides,Modulation,Absorption,Photonic band gap,Propagation losses,Annealing,Temperature measurement

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