All-optical Quantization by Slicing Supercontinuum in a Ge11.5As24Se64.5 rib Waveguide

Yanlei Zhang; Chao Mei; Xianting Zhang; Shuai Kang; Jinhui Yuan; Kuiru Wang; Binbin Yan; Zhe Kang; Xinzhu Sang; Chongxiu Yu

doi:10.1117/12.2245974

31 October 2016 All-optical quantization by slicing supercontinuum in a Ge_11.5As₂₄Se_64.5 rib waveguide

Yanlei Zhang, Chao Mei, Xianting Zhang, Shuai Kang, Jinhui Yuan, Kuiru Wang, Binbin Yan, Zhe Kang, Xinzhu Sang, Chongxiu Yu

Author Affiliations +

Proceedings Volume 10019, Optoelectronic Devices and Integration VI; 100191A (2016) https://doi.org/10.1117/12.2245974
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

In this paper, an integratable spectrum quantization schema for all-optical analog-to-digital conversion (AOADC) is demonstrated in Ge_11.5As₂₄Se_64.5 rib film waveguide by slicing the supercontinuum. Owing to the high nonlinearity coefficient of 137.8 W^-1m^-1, the input pulse peak power are very low which varies from 540 to 900mW and then the broadened spectrum is filtered with an arrayed waveguide grating. As a result, 4-bit quantization resolution along with effective number of bit (ENOB) of 3.985 and a signal-to-noise ratio of 23.99 dB are achieved. It is believed that this proposed schema is suitable for integratable AOADC with low power consumption.

Citation Download Citation

Yanlei Zhang, Chao Mei, Xianting Zhang, Shuai Kang, Jinhui Yuan, Kuiru Wang, Binbin Yan, Zhe Kang, Xinzhu Sang, and Chongxiu Yu "All-optical quantization by slicing supercontinuum in a Ge_11.5As₂₄Se_64.5 rib waveguide", Proc. SPIE 10019, Optoelectronic Devices and Integration VI, 100191A (31 October 2016); https://doi.org/10.1117/12.2245974

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