Continuously tunable slow-light device consisting of heater-controlled silicon microring array
- 29 June 2011
- journal article
- research article
- Published by Optica Publishing Group in Optics Express
- Vol. 19 (14) , 13557-13564
- https://doi.org/10.1364/oe.19.013557
Abstract
We experimentally demonstrate a tunable slow-light device consisting of all-pass Si microrings. A compact device of 0.014 mm2 footprint is fabricated by using CMOS-compatible process, and its center wavelength, bandwidth and delay are continuously tuned by integrated heaters. The tuning range is 300 ps at fixed wavelengths with a 1 nm bandwidth. Eye opening of 40 Gbps non-return-to-zero signals is observed at up to a 150 ps delay and a 4 bit buffering capacity is confirmed, which corresponds to a spatial buffering density of 0.29 kbit/mm2.Keywords
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