Title :
Coherent THz wave generation by photomixing in photonic crystal cavity
Author :
Tani, M. ; Gu, P. ; Sakai, K. ; Suenaga, M. ; Kondo, H. ; Kitahara, H. ; Takeda, M.W.
Author_Institution :
CRL, Kansai Adv. Res. Center, Kobe, Japan
Abstract :
We demonstrate generation of coherent terahertz radiation by photomixing with a photoconductive antenna placed in a 3-D photonic crystal cavity. We observe a sharp gain peak at a frequency in the photonic bandgap, suggesting a cavity effect for a localized defect mode.
Keywords :
localised modes; microwave photonics; optical frequency conversion; photoconducting devices; photonic band gap; submillimetre wave generation; 3-D photonic crystal cavity; bow-tie antenna; cavity effect; coherent THz wave generation; coherent terahertz radiation; localized defect mode; photoconductive antenna; photomixing; photonic bandgap; sharp gain peak; Frequency; Gallium arsenide; Lattices; Optical films; Optical losses; Photoconductivity; Photonic band gap; Photonic crystals; Physics; Substrates;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.967793