C/L-Band Colorless ONU Based on Polymer Bidirectional Optical Subassembly
- 4 December 2014
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Journal of Lightwave Technology
- Vol. 33 (6) , 1230-1234
- https://doi.org/10.1109/jlt.2014.2377092
Abstract
A colorless ONU is demonstrated on the polymer-based hybrid integration platform. Polymer Bragg gratings provide power-efficient wavelength tuning over the C-band. Thin-film element is inserted in the waveguide circuits for C/L band splitting and bi-directional transmission. On-chip U-groove and 45° mirror allow submount-free and passive attachment of optical fiber and photo detectors, respectively. Arrays of deep-etched air trenches are introduced for cross-talk suppression. With an optical wavelength rejection level larger than 34 dB, 10-Gb/s bidirectional transmission and detection are achieved.Keywords
Funding Information
- German Federal Ministry of Education and Research
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