Title :
Gain measurements of a metal-metal terahertz quantum cascade laser using an integrated terahertz pulse emitter
Author :
Burghoff, David ; Kao, Tsung-Yu ; Ban, Dayan ; Lee, Alan Wei Min ; Reno, John L. ; Hu, Qing
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Massachusetts Inst. of Technol., Cambridge, MA, USA
Abstract :
A terahertz pulse emitter is fabricated alongside a quantum cascade laser with a metal-metal waveguide. Terahertz pulses are used to measure the gain of the laser ridge, which is clamped above threshold to 18 cm-1.
Keywords :
gain measurement; laser variables measurement; quantum cascade lasers; terahertz waves; gain measurements; integrated terahertz pulse emitter; metal-metal terahertz quantum cascade laser; metal-metal waveguide; terahertz pulses; Absorption; Electrooptical waveguides; Frequency measurement; Measurement by laser beam; Quantum cascade lasers; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
