Ultra low-loss 1×2 multiplexer using thin-film filters on polymer integration platform
- 5 November 2009
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 45 (23) , 1167-1168
- https://doi.org/10.1049/el.2009.2262
Abstract
Compact 1×2 wavelength multiplexer modules employing thin-film filters integrated into polymer planar waveguide circuits are presented. The modules also feature on-chip deep-etched U-grooves for precise fibre-chip coupling. Insertion loss <1 dB, crosstalk <−30 dB, and return loss <−50 dB have been achieved by various technological optimisations.Keywords
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