Nonlinear photoconductivity characteristics of antenna activated by 80-picosecond optical pulses

We report nonlinear characteristics of the radiated field, generated by a gigahertz photoconducting antenna, versus the bias field. For semi-insulating GaAs a saturation phenomenon was observed when the photocarrier population was below 3×10/sup 16//cm 3 . A set of characteristic curves was obtained...

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Bibliographic Details
Published in:IEEE photonics technology letters 1996-06, Vol.8 (6), p.815-817
Main Authors: Liu, D.W., Carr, P.H., Thaxter, J.B.
Format: Article
Language:English
Subjects:
Bandwidth
Electromagnetic transients
Gallium arsenide
Indium phosphide
Nonlinear optics
Optical pulse generation
Optical pulses
Optical saturation
Optical scattering
Photoconductivity
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Summary:We report nonlinear characteristics of the radiated field, generated by a gigahertz photoconducting antenna, versus the bias field. For semi-insulating GaAs a saturation phenomenon was observed when the photocarrier population was below 3×10/sup 16//cm 3 . A set of characteristic curves was obtained as a function of bias field (
ISSN:1041-1135
1941-0174
DOI:10.1109/68.502104