Asymmetric, non-uniform 3-dB directional coupler with 300-nm bandwidth and a small footprint.
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DOI: 10.1364/ol.476537
Abstract: Here we demonstrate a new, to the best of our knowledge, type of 3-dB coupler that has an ultra-broadband operational range from 1300 to 1600 nm with low fabrication sensitivity. The overall device size is 800… read more here.
Keywords: coupler; coupler 300; uniform directional; directional coupler ... See more keywords