Compact, silicon-on-insulator, series-cascaded, contradirectional-coupling-based filters with >50 dB adjacent channel isolation.
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DOI: 10.1364/ol.44.000439
Abstract: In this work, we present optical add/drop multiplexer (OADM) filters for coarse wavelength-division-multiplexing (CWDM) systems with high sidelobe suppressions that result in high adjacent channel isolations (Ai). The filters are realized by using a compact,… read more here.
Keywords: contradirectional coupling; coupling based; adjacent channel; based filters ... See more keywords