Enhanced responsivity of photo-induced-EMF adaptive photodetectors using asymmetric interdigitated contacts: scaling limits and application to laser ultrasound sensing
We demonstrate enhanced responsivity in GaAs photo-EMF adaptive photodetectors using a novel asymmetric interdigitated electrode configuration with fine spacing. We observe enhancements even when only a fraction of an optical fringe is collected between the contacts.
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| creator | Pepper, D.M. Dunning, G.J. Coy, J.A. Nolte, D.D. Pouet, B. Bacher, G.D. Klein, M.B. |
| description | We demonstrate enhanced responsivity in GaAs photo-EMF adaptive photodetectors using a novel asymmetric interdigitated electrode configuration with fine spacing. We observe enhancements even when only a fraction of an optical fringe is collected between the contacts. |
| doi_str_mv | 10.1109/NLO.2000.883576 |
| format | Conference Proceeding |
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| identifier | ISBN: 9781557526465 |
| ispartof | Nonlinear Optics: Materials, Fundamentals, and Applications. Technical Digest. Postconference Edition. TOPS Vol.46 (IEEE Cat. No.00CH37174), 2000, p.65-67 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Adaptive optics Electrodes Gallium arsenide Optical distortion Optical receivers Optical sensors Optical surface waves Photoconductivity Photodetectors Ultrasonic imaging |
| title | Enhanced responsivity of photo-induced-EMF adaptive photodetectors using asymmetric interdigitated contacts: scaling limits and application to laser ultrasound sensing |
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