Device noise characterization for the design of tuned front-end optical receivers used in coherent lightwave systems

S. D. Greaves; Rodney T. Unwin

doi:10.1117/12.161340

1 November 1993 Device noise characterization for the design of tuned front-end optical receivers used in coherent lightwave systems

S. D. Greaves, Rodney T. Unwin

Author Affiliations +

Proceedings Volume 2024, Multigigabit Fiber Communication Systems; (1993) https://doi.org/10.1117/12.161340
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

Tuned front-end optical receivers, for use in Coherent or Subcarrier Multiplex Lightwave systems, offer significant improvements in signal to noise performance over conventional baseband receivers. To design these receivers correctly a detailed knowledge of the noise performance of short gate-length GaAs MESFETs and HEMTs is required. The intrinsic noise parameters, P, R, and C completely characterize the noise performance of such devices but closed form analytic expressions are not yet available that enable accurate determination of these parameters. Here we consider a technique that extracts the intrinsic noise parameters, P, R, and C from measured noise data. Novel analytic expressions are presented as well as results that prove the validity of the technique.

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S. D. Greaves and Rodney T. Unwin "Device noise characterization for the design of tuned front-end optical receivers used in coherent lightwave systems", Proc. SPIE 2024, Multigigabit Fiber Communication Systems, (1 November 1993); https://doi.org/10.1117/12.161340

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