Single-mode operation at 4.4 THz is obtained from distributed-feedback quantum-cascade lasers with complex-coupling metallic gratings. The emission shows a stable side-mode suppression of more than 20 dB at all injection currents and operating temperatures.
Single-mode operation of terahertz quantum cascade lasers with distributed feedback resonators
Conference on Lasers and Electro-Optics, 2004. (CLEO). ; 1 ; 2 pp. vol.1
01.01.2004
168279 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Terahertz Quantum Cascade Lasers
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