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

页码：559 / 564

页数：6

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