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Title: Integratable all-optical spectral quantization scheme based on chalcogenide-silicon slot waveguide
Authors: Kang, X
Yuan, J
Kang, Z
Zhang, X
Kang, S
Guo, Z
Li, F
Wang, K
Sang, X
Yu, C
Keywords: All-optical spectral quantization
Chalcogenide-silicon slot waveguide
Effective number of bits
Photonic integration
Soliton self-frequency shift
Issue Date: 2015
Publisher: North-Holland
Source: Optics communications, 2015, v. 355, p. 479-484 How to cite?
Journal: Optics communications 
Abstract: In this paper, we propose an integratable all-optical spectral quantization scheme based on soliton self-frequency shift (SSFS) effect in a chalcogenide-silicon slot waveguide (CSSW) with a high nonlinear coefficient of 139.47 W-1/m at 1550 nm and the wide anomalous dispersion regime of 870 nm. With the input peak power of 25 W, the large frequency shift up to 388 nm is achieved in the 5 cm-long CSSW. The quantization results show that the effective number of bit (ENOB) is 2.68-bit with only 0.32-bit difference from the ideal 3-bit resolution. It is believed that the proposed spectral quantizer is CMOS-compatible, and can find important application in the photonic integratable all-optical analog-to-digital converter (AOADC).
ISSN: 0030-4018
EISSN: 1873-0310
DOI: 10.1016/j.optcom.2015.07.016
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