Modeling of a tuned optical receiver front-end for broadband multichannel lightwave systems

Tatipamula Mallikarjun

doi:10.1117/12.175281

2 May 1994 Modeling of a tuned optical receiver front-end for broadband multichannel lightwave systems

Tatipamula Mallikarjun

Proceedings Volume 2149, Technologies for Optical Fiber Communications; (1994) https://doi.org/10.1117/12.175281
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

This paper presents a theoretical analysis of a series tuned optical receiver front-end design based on a PIN diode and MESFETs/HEMTs for wide-band multichannel lightwave transmission systems. A simple circuit model of this series tuned optical receiver front-end is presented and the method followed in this paper uses basic circuit theory to derive analytical expressions in terms of the elements of an equivalent circuit for characterizing the front-end. This paper computes the transimpedance, equivalent input noise current density and peaking frequency of the front-end from known physical parameters of the commercially available photodiodes and GaAs MESFET/HEMT, InP HEMT. Low noise is achieved for an appropriate choice of device parameters. The results obtained from the analysis presented in this paper are used in calculating power penalty and number of channels at various bitrates to optimize the performance of a multichannel excess shot noise limited coherent optical communication system.

Citation Download Citation

Tatipamula Mallikarjun "Modeling of a tuned optical receiver front-end for broadband multichannel lightwave systems", Proc. SPIE 2149, Technologies for Optical Fiber Communications, (2 May 1994); https://doi.org/10.1117/12.175281

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