Abstract
In this paper, we propose an integratable spectral quantization scheme for all-optical analog-to-digital conversion (AOADC) by slicing the supercontinuum, which is generated in a chalcogenide (As2S3) horizontal slot waveguide. The numerical simulation results show that a 4-bit quantization resolution is successfully achieved along with a signal-to-noise ratio of 23.96 dB and an effective number of bit (ENOB) of 3.98 bit. The required As2S3 waveguide length and input peak power are only 1.5 cm and 900 mW, respectively, owing to the high nonlinear coefficient of 115.8 W-1/m. It is believed that this proposed scheme can find important applications in the photonic integratable AOADC with low power consumption.
Original language | English |
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Article number | 085502 |
Journal | Journal of Optics (United Kingdom) |
Volume | 17 |
Issue number | 8 |
DOIs | |
Publication status | Published - 1 Aug 2015 |
Keywords
- all-optical analog-to-digital conversion
- chalcogenide horizontal slot waveguide
- spectral quantization
- supercontinuum
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics