Strip silicon waveguide for code synchronization in all-optical analog-to-digital conversion based on a lumped time-delay compensation scheme

doi:10.1088/1674-1056/25/4/044210

中国物理B ›› 2016, Vol. 25 ›› Issue (4): 44210-044210.doi: 10.1088/1674-1056/25/4/044210

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Strip silicon waveguide for code synchronization in all-optical analog-to-digital conversion based on a lumped time-delay compensation scheme

Sha Li(李莎), Zhi-Guo Shi(石志国), Zhe Kang(康哲), Chong-Xiu Yu(余重秀), Jian-Ping Wang(王建萍)

1 School of Computer and Communication Engineering, University of Science and Technology Beijing (USTB), Beijing 100083, China;
2 State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), Beijing 100876, China

收稿日期:2015-09-29 修回日期:2015-11-03 出版日期:2016-04-05 发布日期:2016-04-05
通讯作者: Sha Li E-mail:shalee@ustb.edu.cn
基金资助:
Project supported by the Fundamental Research Funds for the Central Universities, China (Grant No. FRF-TP-15-030A1) and China Postdoctoral Science Foundation (Grant No. 2015M580978).

Strip silicon waveguide for code synchronization in all-optical analog-to-digital conversion based on a lumped time-delay compensation scheme

Sha Li(李莎)¹, Zhi-Guo Shi(石志国)¹, Zhe Kang(康哲)², Chong-Xiu Yu(余重秀)², Jian-Ping Wang(王建萍)¹

1 School of Computer and Communication Engineering, University of Science and Technology Beijing (USTB), Beijing 100083, China;
2 State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), Beijing 100876, China

Received:2015-09-29 Revised:2015-11-03 Online:2016-04-05 Published:2016-04-05
Contact: Sha Li E-mail:shalee@ustb.edu.cn
Supported by:
Project supported by the Fundamental Research Funds for the Central Universities, China (Grant No. FRF-TP-15-030A1) and China Postdoctoral Science Foundation (Grant No. 2015M580978).

摘要/Abstract

摘要： An all-optical analog-to-digital converter (ADC) based on the nonlinear effect in a silicon waveguide is a promising candidate for overcoming the limitation of electronic devices and is suitable for photonic integration. In this paper, a lumped time-delay compensation scheme with 2-bit quantization resolution is proposed. A strip silicon waveguide is designed and used to compensate for the entire time-delays of the optical pulses after a soliton self-frequency shift (SSFS) module within a wavelength range of 1550 nm-1580 nm. A dispersion coefficient as high as -19800 ps/(km·nm) with ± 0.5 ps/(km·nm) variation is predicted for the strip waveguide. The simulation results show that the maximum supportable sampling rate (MSSR) is 50.45 GSa/s with full width at half maximum (FWHM) variation less than 2.52 ps, along with the 2-bit effective-number-of-bit and Gray code output.

关键词: all-optical analog-to-digital conversion, silicon waveguide, soliton self-frequency shift, time-delay compensation

Abstract: An all-optical analog-to-digital converter (ADC) based on the nonlinear effect in a silicon waveguide is a promising candidate for overcoming the limitation of electronic devices and is suitable for photonic integration. In this paper, a lumped time-delay compensation scheme with 2-bit quantization resolution is proposed. A strip silicon waveguide is designed and used to compensate for the entire time-delays of the optical pulses after a soliton self-frequency shift (SSFS) module within a wavelength range of 1550 nm-1580 nm. A dispersion coefficient as high as -19800 ps/(km·nm) with ± 0.5 ps/(km·nm) variation is predicted for the strip waveguide. The simulation results show that the maximum supportable sampling rate (MSSR) is 50.45 GSa/s with full width at half maximum (FWHM) variation less than 2.52 ps, along with the 2-bit effective-number-of-bit and Gray code output.

Key words: all-optical analog-to-digital conversion, silicon waveguide, soliton self-frequency shift, time-delay compensation

中图分类号: (Optical solitons; nonlinear guided waves)

42.65.Tg

42.65.Re (Ultrafast processes; optical pulse generation and pulse compression) 42.70.Mp (Nonlinear optical crystals) 42.81.Dp (Propagation, scattering, and losses; solitons)

李莎, 石志国, 康哲, 余重秀, 王建萍. Strip silicon waveguide for code synchronization in all-optical analog-to-digital conversion based on a lumped time-delay compensation scheme[J]. 中国物理B, 2016, 25(4): 44210-044210.

Sha Li(李莎), Zhi-Guo Shi(石志国), Zhe Kang(康哲), Chong-Xiu Yu(余重秀), Jian-Ping Wang(王建萍). Strip silicon waveguide for code synchronization in all-optical analog-to-digital conversion based on a lumped time-delay compensation scheme[J]. Chin. Phys. B, 2016, 25(4): 44210-044210.

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Strip silicon waveguide for code synchronization in all-optical analog-to-digital conversion based on a lumped time-delay compensation scheme

Strip silicon waveguide for code synchronization in all-optical analog-to-digital conversion based on a lumped time-delay compensation scheme

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