40 Gb/s NRZ-DQPSK Data All-Optical Wavelength Conversion Using Four Wave Mixing in a Bulk SOA

被引：20
|
作者：
Krzczanowicz, Lukasz [1 ]
Connelly, Michael J. [1 ]
机构：
[1] Univ Limerick, Dept Elect & Comp Engn, Opt Commun Res Grp, Limerick 06902, Ireland
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2013年 / 25卷 / 24期
基金：
爱尔兰科学基金会;
关键词：
DQPSK; phase modulation; semiconductor optical amplifier; four wave mixing; all optical wavelength conversion; SATURATED SOA;
D O I：
10.1109/LPT.2013.2288010
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：
Differential quadrature phase shift keying (DQPSK) modulation has become particularly attractive in high-speed optical communications because of its resistance to fiber nonlinearities and its more efficient use of fiber bandwidth. Because of its wavelength conversion ability, semiconductor optical amplifier (SOA) four wave mixing effect has attracted much attention. We experimentally study the FWM wavelength conversion of 40 Gb/s (20 GBd) NRZ-DQPSK data. A bulk SOA with 21 dB gain and 10 dBm output saturation power is used. The Q-factors of the input and wavelength converted signal are measured. Some signal regeneration properties are shown. A Q-factor improvement up to 1.7 dB is observed.
引用
收藏
页码：2439 / 2441
页数：3
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