On-Chip All-Optical Wavelength Conversion of PAM-4 Signals Using an Integrated SOA-Based Turbo-Switch Circuit

被引：10
|
作者：
Hajomer, Adnan A. E. [1 ]
Presi, Marco [2 ]
Andriolli, Nicola [2 ]
Porzi, Claudio [2 ]
Hu, Weisheng [1 ]
Contestabile, Giampiero [2 ]
Yang, Xuelin [1 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Adv Opt Commun Syst & Networks, Shanghai Inst Adv Commun & Data Sci, Shanghai 200240, Peoples R China
[2] Scuola Super Sant Anna, I-56124 Pisa, Italy
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2019年 / 37卷 / 16期
关键词：
4-level pulse-amplitude modulation (PAM-4); all-optical wavelength conversion (AOWC); cross-gain modulation (XGM); integrated turbo-switch; AMPLIFIER;
D O I：
10.1109/JLT.2019.2919650
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：
We experimentally demonstrate on-chip all-optical wavelength conversion (AOWC) of four-level pulse amplitude modulation (PAM-4) signals by cross-gain modulation in an InP monolithically integrated turbo-switch circuit based on semiconductor optical amplifiers (SOAs). Full characterization of the photonic integrated circuit (PIC) is given, where sevenfold reduction in effective gain recovery is achieved by the PIC turbo-switch compared with a case of single SOA switch. Wavelength conversion of 25 Gbit/s PAM-4 signal in the C-band is successfully demonstrated with similar to 2 dB power penalty at 1 x 10(-3) bit error rate. Moreover, the wavelength dependence of the converter is studied. The integrated AOWC device has the advantages of high-speed switching operation as well as small footprint, high stability, and low switching power.
引用
收藏
页码：3956 / 3962
页数：7
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