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Characterization of Electrical Crosstalk in 1.25 Gbps Optoelectrical Triplex Transceiver Module for Ethernet Passive Optical Networks  

Kim Sung-Il (Integrated Optical Module Development Team, Electronics and Telecommunications Research Institute)
Lee Hai-Young (Department of Electronics Engineering, Ajou University)
Publication Information
Abstract
In this paper, we analyzed and measured the electrical crosstalk characteristics of a triplex transceiver module for ethernet Passive optical networks(EPONS). And we improved the electrical crosstalk levels using Dummy ground lines with signal lines. The triplex transceiver module consists of a laser diode as a transmitter, a digital photodetector as a digital data receiver, and a analog photodetector as a community antenna television signal receiver. And there are integrated on silicon substrate. The digital receiver and analog receiver sensitivity have to meet -24 dBm at $BER=10^{-l2}$ and -7.7 dBm at 44 dB SNR. And the electrical crosstalk levels have to maintain less than -86 dB from DC to 3 GHz. From analysis and measurement results, the proposed silicon substrate structure that contains the Dummy ground line with $100\;{\mu}m$ space from signal lines and separates 4 mm among devices respectively, is satisfied the electrical crosstalk level compared to simple structure. This proposed structure can be easily implemented with design convenience and greatly reduced the silicon substrate size about $50\%$.
Keywords
Dummy ground line; EPONs; triplex; module; crosstalk;
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Times Cited By KSCI : 1  (Citation Analysis)
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