Modelling of an intersubband quantum confined Stark effect in Ge quantum wells for mid-infrared photonics
A Barzaghi, V Falcone, S Calcaterra, D Marris-Morini… - Optics …, 2022 - opg.optica.org
Optics Express, 2022•opg.optica.org
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 µm long waveguides.
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 µm long waveguides.
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 µm long waveguides.
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