期刊
NATURE COMMUNICATIONS
卷 9, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-017-02434-y
关键词
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资金
- UK's Engineering and Physical Sciences Research Council [EP/M009122/1]
- MOE Singapore [MOE2011-T3-1-005]
- EPSRC [EP/L00044X/1, EP/H02607X/1, EP/P003990/1, EP/N00762X/1, EP/M009122/1, EP/K00509X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/M009122/1, EP/N00762X/1, EP/H02607X/1, EP/L00044X/1, EP/K00509X/1, 1662141, 1674589, EP/P003990/1] Funding Source: researchfish
Recently, coherent control of the optical response of thin films in standing waves has attracted considerable attention, ranging from applications in excitation-selective spectroscopy and nonlinear optics to all-optical image processing. Here, we show that integration of metamaterial and optical fibre technologies allows the use of coherently controlled absorption in a fully fiberized and packaged switching metadevice. With this metadevice, which controls light with light in a nanoscale plasmonic metamaterial film on an optical fibre tip, we provide proof-of-principle demonstrations of logical functions XOR, NOT and AND that are performed within a coherent fibre network at wavelengths between 1530 and 1565 nm. The metadevice has been tested at up to 40 gigabits per second and sub-milliwatt power levels. Since coherent absorption can operate at the single-photon level and with 100 THz bandwidth, we argue that the demonstrated all-optical switch concept has potential applications in coherent and quantum information networks.
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