56 GBaud PAM-4 Direct Detection with High-Speed Avalanche Photodiodes.

Tobias Beckerwerth,Christoph Kottke,Volker Jungnickel, Ute Tropenz,Martin Möhrle,Patrick Runge,Martin Schell

OFC（2023）

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摘要

We demonstrate 56 GBaud PAM-4 transmission by using a high-speed waveguide avalanche photodiode (WG APD) and an electro absorption modulated laser (EML). Compared to a PIN photodiode, the WG APD reduces the power budget in a B2B setup by 6 dB.

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56 GBaud PAM-4 transmission,high-speed avalanche photodiodes,high-speed waveguide avalanche photodiode,noise figure 6.0 dB,PIN photodiode,WG APD

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