Ultra-fast all-optical ADC using nonlinear ring resonators in photonic crystal microstructure

被引：12
|
作者：
Ramtin Fard, Shahrzad [1 ]
Salehi, Mohammad Reza [1 ]
Abiri, Ebrahim [1 ]
机构：
[1] Shiraz Univ Technol, Dept Elect & Elect Engn, Shiraz 7155713876, Iran
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2021年 / 53卷 / 02期
关键词：
Analog-to-digital converter; Photonic crystal; Nonlinear microring resonator; Optical kerr effect; Sampling rate; SUPERCONTINUUM GENERATION; INTERLEAVED ADC; FIBER;
D O I：
10.1007/s11082-021-02769-3
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we report a new design of a two-bit all-optical analog-to-digital converter (ADC) based on photonic crystal ring resonators. The photonic crystal structure has a square lattice of silicon rods, and four ring resonators carry out sampling and quantizing with linear and nonlinear rods at a wavelength of 1550 nm. Our calculations reveal that the proposed ADC has a maximum response time of about 4 ps and a sampling rate of 125 GS/s that is much faster than the ADC in previous studies. The proposed ADC also has a small area (called footprint) with a minimum leakage loss, considered the most suitable device in photonic integrated circuits.
引用
收藏
页数：14
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