Title :
Broadband-response and frequency-tunable terahertz photonic transmitters with high efficiency
Author :
Kao, Tzeng-Fu ; Chen, Li-Jin ; Chang, Hsu-Hao ; Lu, Ja-Yu ; Liu, An-Shyi ; Yu, Yi-Chun ; Wu, Ruey-Beei ; Liu, Wei-Sheng ; Chyi, Jen-Inn ; Sun, Chi-Kuang
Author_Institution :
Graduate Inst. of Electro-Opt. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
We demonstrate broadband-response terahertz photonic transmitters with an ultrawide frequency tuning range. Combining with coherently controlled quasi-continuous-wave optical excitation, these devices exhibit record-high light-terahertz external quantum efficiency (>290%).
Keywords :
microwave photonics; optical transmitters; optical tuning; broadband-response frequency-tunable terahertz photonic transmitters; external quantum efficiency; quasicontinuous-wave optical excitation; Broadband antennas; Dipole antennas; Frequency; Optical control; Optical devices; Optical transmitters; Resonance; Slot antennas; Transmitting antennas; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.202048
