All-optical frequency up-conversion technique using four-wave mixing in semiconductor optical amplifiers for radio-over-fiber applications

被引:13
|
作者
Kim, Hyoung-Jun [1 ]
Song, Ho-Jin [2 ]
Song, Jong-In [1 ]
机构
[1] GIST, Ctr Distributed Sensor Network, 1 Oryong Dong, Kwangju, South Korea
[2] NTT Corp, Microsyst Integrat Labs, Atsugi, Kanagawa 2430198, Japan
关键词
all-optical frequency up-conversion; four-wave mixing (FWM); photonic frequency up-converter; radio-over-fiber (RoF); semiconductor optical amplifier (SOA);
D O I
10.1109/MWSYM.2007.380220
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
An all-optical frequency up-conversion technique based on a four-wave mixing (FWM) effect in semiconductor optical amplifiers (SOAs) was utilized for conversion of an optical intermediate frequency (IF) signal (2.5 GHz) to an optical radio frequency (RF) signal (40 GHz) by mixing with an optical local oscillator (LO) signal (37.5 GHz). This scheme provides positive conversion efficiency of 5.77 dB for the optical IF power of -22 dBm and the optical LO power of -13 dBm. The conversion efficiency was almost flat for the LO frequency range from 20 GHz to 47.5 GHz. The phase noise at the LO frequency of 37.5 GHz was -84.5 dBc/Hz (at 10 kHz offset) after the frequency up-conversion.
引用
收藏
页码:67 / +
页数:2
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