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Here, we present novel high-power partially p-doped, partly non-intentionally doped absorbing double mushroom-type 1.55 μm waveguide photodiodes for integration in compact photonic transmitter modules employed in E-band (60–90 GHz) radio-over-fiber systems. Besides the high-output power levels approaching 0 dBm and a high linearity in the 70 GHz band, the developed photodiodes also exhibit an excellent...
A new high-speed high-power photodiode design based on beam-lead technology to reduce thermal resistance and series contact resistance, which limit the saturation photocurrent of photodiodes with small active area, has been presented.
An E-Band quasi-hermetic photodiode module featuring a WR12 rectangular waveguide output has been developed using an RF transition implemented on ROGERS 5880 laminate. Its simulated maximum group delay deviation of less than 1 ps makes it suitable as wireless transmitter for Radio-over-Fibre (RoF) applications. The manufactured prototype exhibits a flat frequency response with a maximum variation...
We report on the design and characterization of a high-power and high dynamic range directly modulated analog fiber optic link in the S (2–4 GHz) band. The link is amplifier free, and uses passive impedance matching networks associated to high power laser diode and high power photodiode. Thanks to the high components efficiencies, together with the benefit of reactive impedance matchings, we achieved...
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