Room Temperature Terahertz and Frequency Combs Based on Intersubband Quantum Cascade Laser Diodes: History and Future

Room Temperature Terahertz and Frequency Combs Based on Intersubband Quantum Cascade Laser Diodes: History and Future

The year 2024 marks the 30-year anniversary of the quantum cascade laser (QCL), which is becoming the leading laser source in the mid-infrared (mid-IR) range. Since the first demonstration, QCL has undergone tremendous development in terms of the output power, wall plug efficiency, spectral coverage...

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Bibliographic Details
Main Authors: Manijeh Razeghi, Quanyong Lu
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Photonics
Subjects:
quantum cascade laser
terahertz source
frequency comb
MOCVD
inter-sub-band semiconductor lasers
Online Access:https://www.mdpi.com/2304-6732/12/1/79
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