Ultra low-loss 1 x 2 multiplexer using thin-film filters on polymer integration platform
Electronics Letters
23
45
1167-1168
2009
Type: Zeitschriftenaufsatz (reviewed)
DOI: 10.1049/el.2009.2262
Abstract
Compact 1times2 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.