- Abstract:
-
The photo-Dember effect is a source of impulsive THz emission following femtosecond pulsed optical excitation. This emission results from the ultrafast spatial separation of electron-hole pairs in strong carrier gradients due to their different diffusion coefficients. The associated time dependent polarization is oriented perpendicular to the excited surface which is inaptly for efficient out coupling of THz radiation. We propose a scheme for generating strong carrier gradients parallel to th...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1364/oe.18.004939
-
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- Publisher:
- Optical Society of American (OSA)
- Journal:
- Optics express
- Volume:
- 18
- Issue:
- 5
- Pages:
- 4939-4947
- Publication date:
- 2010-03-05
- DOI:
- EISSN:
-
1094-4087
- ISSN:
-
1094-4087
- URN:
-
uuid:ac9c6988-373d-42f2-8e71-1f711cfc0186
- Source identifiers:
-
51985
- Local pid:
- pubs:51985
- Language:
- English
- Copyright date:
- 2010
Journal article
Terahertz emission from lateral photo-Dember currents.
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