12-THz frequency difference measurements and noise analysis of an optical frequency comb in optical fibers

被引：16
|
作者：
Imai, K [1 ]
Widiyatmoko, B [1 ]
Kourogi, M [1 ]
Ohtsu, M [1 ]
机构：
[1] Tokyo Inst Technol, Interdisciplinary Grad Sch Sci & Engn, Yokohama, Kanagawa 2268502, Japan
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 1999年 / 35卷 / 04期
关键词：
electrooptic modulation; fiber optics; frequency conversion; frequency measurement; nonlinear optics; nonlinear wave propagation; phase modulation;
D O I：
10.1109/3.753660
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：
A span up to 50 THz of optical frequency comb (OFC) has been obtained by self-phase modulation in an optical fiber. The coherent nature of the process was verified by heterodyne-detecting the sidebands offset by up to 12 THz from the carrier. The signal-to-noise ratio (SNR) of the beat signal between a sideband at 12 THz offset and another single-mode laser was 32 dB in a 1-MHz bandwidth. Although the linewidth of each beat signal was maintained within a few megahertz, phase noise pedestal power increased with the offset frequency.
引用
收藏
页码：559 / 564
页数：6
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