Terahertz-wave Nyquist wavelength division multiplexing communication utilizing integrated-optic spectrum synthesizer

被引：0
作者：
Takiguchi, Koichi [1 ]
机构：
[1] Ritsumeikan Univ, Dept Elect & Elect Engn, Coll Sci & Engn, 1-1-1 Noji Higashi, Kusatsu, Shiga 5258577, Japan
来源：
TERAHERTZ, RF, MILLIMETER, AND SUBMILLIMETER-WAVE TECHNOLOGY AND APPLICATIONS XIV | 2021年 / 11685卷
关键词：
Terahertz-wave communication; Nyquist WDM communication; integrated-optic spectrum synthesizer; optical signal processing; pulse manipulation; signal generation; mode-locked laser diode; optical frequency comb; high-speed photo-mixer; PHOTONICS;
D O I：
10.1117/12.2577087
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：
We report on Nyquist wavelength division multiplexing (WDM) communication in the terahertz (THz)-band utilizing an integrated-optic spectrum synthesizer. The synthesizer is composed of two arrayed-waveguide gratings, and an array of phase shifters and variable optical attenuators, and it can individually control amplitude and phases of up to 64 optical discrete frequency components with 40 GHz spacing. Three optical frequency combs are produced by combining the synthesizer with a mode-locked laser diode. The produced combs are used to generate a THz-wave Nyquist WDM signal with photo-mixing. We demonstrate 2 x 40 Gbit/s Nyquist WDM communication in the 300 GHz band.
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页数：5
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