Abstract

For the status quo of traveling wave detector array which can synthesize output power but cant improve work bandwidth, this paper proposes a new L-type array detector. Using a capacitance, a photodiode, and two inductance in series to form a single array unit, the L-type array detector has a cascade cell array structure. The results show that L-type detector can carry on power synthesis of the RF output signal, increase working bandwidth to 67 GHz at the same time; Compared with the traditional photoelectric detector, the work bandwidth is tripled. The reasoning method proposed in this paper can be adopted to flexible design of ideal photodiodes, providing a theoretical foundation for future study of photoelectric detectors.

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