H - Electricity – 01 – L
Patent
H - Electricity
01
L
H01L 29/15 (2006.01) G02F 2/00 (2006.01) H01L 29/04 (2006.01) H01L 29/201 (2006.01) H01L 29/205 (2006.01) H01S 1/02 (2006.01)
Patent
CA 2184682
For generating a highly efficient monochromatic terahertz-band electromagnetic wave, a solid state device including on a compound semiconductor single crystal substrate, a first distributed Bragg reflector, an exciton generating region provided on the first distributed Bragg reflector, and a second distributed Bragg reflector provided on the exciton generating region to constitute a resonator. A pulsed light wave is made incident upon the device to generate an exciton which is created and annihilated periodically in time at an extremely high frequency. Electron and hole of an exciton are spatially separated from each other to form a dipole by applying a static electric field across the exciton generating region.
Kadoya Yutaka
Yamanishi Masamichi
Hiroshima University
Smart & Biggar
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