Optical minimum-shift keying with external modulation scheme

被引：25
|
作者：
Sakamoto, T [1 ]
Kawanishi, T [1 ]
Izutsu, M [1 ]
机构：
[1] Natl Inst Informat & Commun Technol, Koganei, Tokyo 1848795, Japan
来源：
OPTICS EXPRESS | 2005年 / 13卷 / 20期
关键词：
D O I：
10.1364/OPEX.13.007741
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose an optical initial phase control technique for external modulation in the format of minimum-shift keying (MSK). In this scheme, the optical phase discontinuities inherent to external frequency-shift-keying (FSK) modulation are compensated by use of an initial phase controller in conjunction with a FSK modulator. We present the principle of the control method and then numerically and experimentally prove that the signal has a modulation spectrum more compact than that of conventional binary phase-shift keying. 10-Gbit/s external modulation in MSK format was experimentally demonstrated. (c) 2005 Optical Society of America.
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页码：7741 / 7747
页数：7
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