DocumentCode
2234688
Title
A terahertz quantum-cascade laser with an active leaky-wave metamaterial antenna
Author
Tavallaee, Amir A. ; Puckett, Matthew ; Williams, Benjamin S. ; Hon, Philip W C ; Itoh, Tatsuo ; Chen, Qi-Sheng
Author_Institution
Dept. of Electr. Eng., Univ. of California, Los Angeles, CA, USA
fYear
2011
fDate
1-6 May 2011
Firstpage
1
Lastpage
2
Abstract
A one-dimensional metamaterial waveguide for terahertz quantum-cascade lasers is presented that tailors laser radiation to a low-divergence beam with frequency-dependent direction. The demonstrated prototype exhibits narrow (FWHM ~15°) surface emission (40° from broadside) at 2.74 THz.
Keywords
active antennas; leaky wave antennas; metamaterial antennas; optical waveguides; quantum cascade lasers; terahertz waves; active leaky-wave metamaterial antenna; frequency 2.74 THz; frequency-dependent direction; laser radiation; low-divergence beam; one-dimensional metamaterial waveguide; terahertz quantum-cascade laser; Antenna measurements; Laser beams; Metamaterials; Optical waveguides; Quantum cascade lasers; Waveguide lasers;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location
Baltimore, MD
Print_ISBN
978-1-4577-1223-4
Type
conf
Filename
5950405
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