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Linearity of Waveguide Integrated Modified Uni-Travelling Carrier Photodiode Arrays

 
: Runge, P.; Ganzer, F.; Beckerwerth, T.; Keyvaninia, S.; Mutschall, S.; Seeger, A.; Ebert, W.; Schell, M.

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IEEE Photonics Technology Letters 31 (2019), Nr.3, S.246-249
ISSN: 1041-1135
Englisch
Zeitschriftenaufsatz
Fraunhofer HHI ()

Abstract
We demonstrate high-speed and high-power evanescently-coupled waveguide modified uni-traveling-carrier photodiode arrays. The arrays consist of different numbers of optically parallel connected photodiodes. A responsivity of 0.46 A/W at 1550 nm, a 3-dB bandwidth of 28 GHz, and 12-dBm RF output power at 40 GHz were achieved with a 2 array chip. Furthermore, the linearity and 3rd order interception point were measured at different temperatures and frequencies in order to determine the limiting factor of the performance.

: http://publica.fraunhofer.de/dokumente/N-549455.html