期刊
APPLIED PHYSICS LETTERS
卷 103, 期 14, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4824714
关键词
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资金
- Ministerio de Ciencia e Innovacion [TEC 2010-14832]
- ICREA Funding Source: Custom
An optical switch operating at a wavelength of 1.55 mu m and showing a 12 dB modulation depth is introduced. The device is implemented in a silicon racetrack resonator using an overcladding layer of the phase change data storage material Ge2Sb2Te5, which exhibits high contrast in its optical properties upon transitions between its crystalline and amorphous structural phases. These transitions are triggered using a pulsed laser diode at lambda = 975 nm and used to tune the resonant frequency of the resonator and the resultant modulation depth of the 1.55 mu m transmitted light. (C) 2013 AIP Publishing LLC.
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