A wavelength-preserving photonic integrated regenerator for NRZ and RZ signals

被引:15
作者
Andriolli, Nicola [1 ]
Faralli, Stefano [1 ]
Bontempi, Francesca [1 ]
Contestabile, Giampiero [1 ]
机构
[1] Scuola Super Sant Anna, I-56124 Pisa, Italy
关键词
OPTICAL REGENERATION; CONVERSION;
D O I
10.1364/OE.21.020649
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
This paper presents a novel Indium Phosphide based photonic integrated circuit (PIC) for all-optical regeneration of both nonreturn-to-zero (NRZ) and return-to-zero (RZ) on-off-keying (OOK) signals. The PIC exploits cross gain compression in two semiconductor optical amplifiers to simultaneously obtain a wavelength-preserved and reshaped copy, and a wavelength-converted yet inverted copy of the input signal. Regeneration of 10 Gb/s signals on multiple wavelengths is demonstrated, showing a Q-factor improvement from 1.5 to 4 for NRZ-OOK signals and from 2.3 to 3.6 for RZ-OOK signals, and a BER improvement up to 1.5 decades. (C) 2013 Optical Society of America
引用
收藏
页码:20649 / 20655
页数:7
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