All-optical technique for modulation format conversion from NRZ-OOK to RZ-16QAM employing nonlinear optical loop mirror with 1:2 coupler

被引：11

作者：

Huang, Guoxiu ^{[1
]}

Miyoshi, Yuji ^{[2
]}

Maruta, Akihiro ^{[1
]}

Kitayama, Ken-ichi ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Engn, Suita, Osaka 5650871, Japan

[2] Osaka Prefecture Univ, Grad Sch Engn, Naka Ku, Sakai, Osaka 5998571, Japan

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 24期

关键词：

PHASE; GENERATION; FIBER;

D O I：

10.1364/OE.20.027311

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

All-optical technique for modulation format conversion from 4 channels non-return-to-zero on-off-keying (OOK) to return-to-zero 16 quadrature amplitude modulation (16QAM) employing nonlinear optical loop mirror with 1:2 coupler configuration is proposed and experimentally demonstrated at 10Gs/s. The experimentally converted 16QAM signal was distorted in its phase by cross-phase modulation induced amplitude-to-phase noise conversion. The effect of amplified spontaneous emission noise in the amplified OOK signals to the converted 16QAM's phase was theoretically discussed. (C) 2012 Optical Society of America

引用

页码：27311 / 27321

页数：11

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