Tunability of the free-spectral range by microwave injection into a mid-infrared quantum cascade laser
The free-spectral range (FSR) of quantum cascade lasers (QCLs) emitting at 4.7 µm can be tuned through direct microwave modulation. The intrinsic short carrier lifetime of inter-subband transitions, along with impedance matched electrical packaging, allows a high-speed modulation up to more than 30 ...
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Main Authors: | Rodriguez, Etienne, Mottaghizadeh, Alireza, Gacemi, Djamal, Jeannin, Mathieu, Asghari, Zahra, Vasanelli, Angela, Todorov, Yanko, Wang, Qi Jie, Sirtori, Carlo |
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Other Authors: | School of Electrical and Electronic Engineering |
Format: | Article |
Language: | English |
Published: |
2021
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Subjects: | |
Online Access: | https://hdl.handle.net/10356/147858 |
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Institution: | Nanyang Technological University |
Language: | English |
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