Photonic-chip-based tunable slow and fast light via stimulated Brillouin scattering

被引:106
|
作者
Pant, Ravi [1 ]
Byrnes, Adam [1 ]
Poulton, Christopher G. [2 ]
Li, Enbang [1 ]
Choi, Duk-Yong [3 ]
Madden, Steve [3 ]
Luther-Davies, Barry [3 ]
Eggleton, Benjamin J. [1 ]
机构
[1] Univ Sydney, Sch Phys, CUDOS, Inst Photon & Opt Sci, Sydney, NSW 2006, Australia
[2] Univ Technol Sydney, CUDOS, Sydney, NSW 2007, Australia
[3] Australian Natl Univ, CUDOS, Laser Phys Ctr, Canberra, ACT 0200, Australia
基金
澳大利亚研究理事会;
关键词
TIME-DELAY;
D O I
10.1364/OL.37.000969
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
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
引用
收藏
页码:969 / 971
页数:3
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