Journal
OPTICS LETTERS
Volume 37, Issue 5, Pages 969-971Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.37.000969
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Funding
- Australian Research Council (ARC) [DP1096838]
- Center of Excellence CUDOS
- U.S. Department of Defense through AFOSR/AOARD [FA23861114030]
- Australian Research Council [DP1096838] Funding Source: Australian Research Council
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We report the first (to our knowledge) demonstration of photonic chip based tunable slow and fast light via stimulated Brillouin scattering. Slow, fast, and negative group velocities were observed in a 7 cm long chalcogenide (As2S3) rib waveguide with a group index change ranging from similar to-44 to +130, which results in a maximum delay of similar to 23 ns at a relatively low gain of similar to 23 dB. Demonstration of large tunable delays in a chip scale device opens up applications such as frequency sensing and true-time delay for a phased array antenna, where integration and delays similar to 10 ns are highly desirable. (C) 2012 Optical Society of America
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