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High-Power Waveguide Integrated Modified Uni-Travelling Carrier Photodiode Arrays

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


Llopis, O. ; Institute of Electrical and Electronics Engineers -IEEE-; IEEE Photonics Society; IEEE Microwave Theory and Techniques Society:
MWP 2018, International Topical Meeting on Microwave Photonics : 22-25 October 2018, Toulouse, France
Piscataway, NJ: IEEE, 2018
ISBN: 978-1-5386-5226-8
ISBN: 978-1-5386-5225-1
ISBN: 978-1-5386-5227-5
International Topical Meeting on Microwave Photonics (MWP) <2018, Toulouse>
Fraunhofer HHI ()

We demonstrate high-speed and high-power evanescently-coupled waveguide modified uni-traveling-carrier photodiode arrays. The arrays are an optically parallel connection of different numbers of photodiodes. A responsivity of 0.46A/W at 1550nm, 3dB-bandwidth of 28GHz and 12dBm RF output power at 40GHz was achieved with such a device. Furthermore, the linearity was measured at different temperatures and frequencies in order to determine the limiting factor of the performance.