New topology for optical receivers based on a differential sensing of photodiode current

Valter Cocco; Nicola Leone; Piero Marietti; Alessandro Trifiletti

doi:10.1117/12.205044

17 March 1995 New topology for optical receivers based on a differential sensing of photodiode current

Valter Cocco, Nicola Leone, Piero Marietti, Alessandro Trifiletti

Proceedings Volume 2401, Functional Photonic Integrated Circuits; (1995) https://doi.org/10.1117/12.205044
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

A new differential topology of optical receiver which is based on a differential sensing of the output current of the photodiode is presented in this paper. The receiver proposed here is made by a P-I-N photodiode and two amplifiers, each one amplifies the current furnished by a lead of the photodiode. It is intended for digital transmission systems which require a low-pass type response. By adopting a wide band transimpedance amplifier, this topology can increase the sensitivity of the optical receiver by 3 dB as well as the output level which is increased by 6 dB, and therefore reduces the gain requirement to the transimpedance amplifier and to the main amplifier.

Citation Download Citation

Valter Cocco, Nicola Leone, Piero Marietti, and Alessandro Trifiletti "New topology for optical receivers based on a differential sensing of photodiode current", Proc. SPIE 2401, Functional Photonic Integrated Circuits, (17 March 1995); https://doi.org/10.1117/12.205044

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