Few-cycle THz generation for imaging and tomography applications
- 16 October 2002
- journal article
- research article
- Published by IOP Publishing in Physics in Medicine & Biology
- Vol. 47 (21) , 3691-3697
- https://doi.org/10.1088/0031-9155/47/21/303
Abstract
The methods for generating few-cycle THz radiation from semiconductors without external applied fields are reviewed. Their spectral characteristics, efficiency and prospects for imaging and tomography at terahertz frequencies are discussed.Keywords
This publication has 13 references indexed in Scilit:
- Surface-modified GaAs terahertz plasmon emitterApplied Physics Letters, 2002
- Observation of terahertz radiation from higher-order two-dimensional plasmon modes in GaAs/AlGaAs single quantum wellsApplied Physics Letters, 1999
- Coherent plasmons in-doped GaAsPhysical Review B, 1998
- Time-domain measurement of intersubband oscillations in a quantum wellApplied Physics Letters, 1998
- Coherent submillimeter-wave emission from Bloch oscillations in a semiconductor superlatticePhysical Review Letters, 1993
- Terahertz emission in single quantum wells after coherent optical excitation of light hole and heavy hole excitonsPhysical Review Letters, 1992
- Coherent submillimeter-wave emission from charge oscillations in a double-well potentialPhysical Review Letters, 1992
- Optically steerable photoconducting antennasApplied Physics Letters, 1990
- Free-space radiation from electro-optic crystalsApplied Physics Letters, 1990
- Picosecond photoconducting Hertzian dipolesApplied Physics Letters, 1984