Integrated terahertz pulse generation and amplification in quantum cascade lasers

Terahertz pulse generation is demonstrated by a resonant femtosecond interband excitation of the miniband of a quantum-cascade-laser. The laser gain is subsequently used to amplify the terahertz pulse generated as it propagates through the cavity.

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Bibliographic Details
Main Authors: Dhillon, S, Sawallich, S, Jukam, N, Oustinov, D, Madeo, J, Barbieri, S, Filloux, P, Sirtori, C, Marcadet, X, Tignon, J
Format: Conference Proceeding
Language:English
Subjects:
Current density
Face detection
Laser excitation
Optical propagation
Optical pulse generation
Pulse amplifiers
Pulse generation
quantum cascade
Quantum cascade lasers
Ultrafast optics
Waveguide lasers
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Description
Summary:Terahertz pulse generation is demonstrated by a resonant femtosecond interband excitation of the miniband of a quantum-cascade-laser. The laser gain is subsequently used to amplify the terahertz pulse generated as it propagates through the cavity.