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Opt Express. 2011 Jul 4;19(14):13557-64. doi: 10.1364/OE.19.013557.

Continuously tunable slow-light device consisting of heater-controlled silicon microring array.

Author information

  • 1Department of Electrical and Computer Engineering, Yokohama National University, Hodogaya-ku, Yokohama, Japan. baba@ynu.ac.jp

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.

PMID:
21747511
[PubMed - indexed for MEDLINE]
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