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An analytical small-signal bias-dependent non-uniform model for p-i-n GaAs Travelling Wave Photodetectors

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Torrese, Guido [UCL] Huynen, Isabelle [UCL] Serres, Marc [UCL] Gallagher, D. [Photon Design] Banham, Matthew [Blaze Photonics] Vander Vorst, André [UCL]

A fully analytical small-signal model is developed for the frequency response of traveling-wave photodetectors. It takes into account the dependence of the equivalent transmission-line admittance on the position, induced by the nonuniform distribution of the optical beam along the traveling direction. Moreover, the influence of the bias voltage on the transit time has been accurately investigated. The model is applied to the design of an InAlAs-InGaAs p-i-n photodetector. Its performances are investigated in term of electrical bandwidth.

Document type Article de périodique (Journal article) – Article de recherche
Publication date 2002
Language Anglais
Journal information "IEEE Transactions on Microwave Theory and Techniques" - Vol. 50, no. 11, pp. 2253-2557 (November 2002)
Peer reviewed yes
Publisher I E E E
issn 0018-9480
Publication status Publié
Affiliation UCL - FSA/ELEC - Département d'électricité
Links
Bibliographic reference Torrese, Guido ; Huynen, Isabelle ; Serres, Marc ; Gallagher, D. ; Banham, Matthew ; et. al. An analytical small-signal bias-dependent non-uniform model for p-i-n GaAs Travelling Wave Photodetectors. In: IEEE Transactions on Microwave Theory and Techniques, Vol. 50, no. 11, pp. 2253-2557 (November 2002)
Permanent URL http://hdl.handle.net/2078.1/83580