Sensitivity evaluation of fiber optic OC-48 p-i-n transimpedance amplifier receivers using sweep-frequency modulation and intermixing diagnostics

Gong-Ru Lin; Yu-Sheng Liao

doi:10.1117/1.1883385

1 April 2005 Sensitivity evaluation of fiber optic OC-48 p-i-n transimpedance amplifier receivers using sweep-frequency modulation and intermixing diagnostics

Gong-Ru Lin, Yu-Sheng Liao

Author Affiliations +

Optical Engineering, Vol. 44, Issue 4, 044002 (April 2005). https://doi.org/10.1117/1.1883385

Abstract

The sensitivity of SONET p-i-n photodiode receivers with transimpedance amplifiers (PIN-TIA) from OC-3 to OC-48 data rates, measured by using a standard bit-error-rate tester (BERT) and a novel sweep-frequency-modulation/intermixing (SMIM) technique, are compared. A threshold intermixed voltage below 15.8 mV obtained by the SMIM method corresponding to the sensitivity of the PIN-TIA receiver beyond –32 dBm determined by BERT for the SONET OC-48 PIN-TIA receivers with a required BER of better than 10^–10 is reported. The analysis interprets that the intermixed voltage for improving the PIN-TIA receiver sensitivity from –31 to –33 dBm has to be increased from 12.5 to 20.4 mV. As compared to the BERT, the SMIM is a relatively simplified, fast, and low-cost technique for on-line mass-production diagnostics for measuring the sensitivity and evaluating the BER performances of PIN-TIA receivers.

©(2005) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Gong-Ru Lin and Yu-Sheng Liao "Sensitivity evaluation of fiber optic OC-48 p-i-n transimpedance amplifier receivers using sweep-frequency modulation and intermixing diagnostics," Optical Engineering 44(4), 044002 (1 April 2005). https://doi.org/10.1117/1.1883385

Published: 1 April 2005

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KEYWORDS

Receivers

Modulation

Diagnostics

Fiber amplifiers

Optical amplifiers

Transmitters

Clocks

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