Experimental demonstration of a hybrid WDM-TDM OTDR system for monitoring DWDM channels, suggesting cost-effective solutions.
An advanced and economical hybrid WDM-TDM OTDR system is proposed and experimentally demonstrated to monitor different DWDM channels and split branches of hybrid WDM-TDM PON architectures based on a single VCSEL.
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Yen et al. (2025) studied this question.
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