We describe an advanced high isolation thin-film filter for passive optical networks. Transmission and reflection isolations of 44 dB and 52 dB are achieved at 1490 nm band and 1555 nm band, respectively.
© 2005 Optical Society of America
N. Uehara, R. Okuda, T. Shidata, and R. Otowa, " Advanced Thin-Film Filter for Passive Optical Networks," in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference, Technical Digest (CD) (Optical Society of America, 2005), paper OFL3.
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