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Sagnac loop in ring resonators for tunable optical filters
(08/01/2005)
General filter architecture using co-and counterpropagation signals are studied. A specific configuration based on a Sagnac loop within a ring resonator is analyzed. Novel tuning, apart from conventional tuning,is achieved ...
Demultiplexers for ultranarrow channel spacing based on Mach-Zehnders and ring resonators
(09/01/2004)
Novel demultiplexer configurations based on concatenated Mach-Zehnders and a ring resonator are presented. These new devices exhibit high channel isolation, flexibility, no loss, and megahertz-adjustable full width at half ...