Title :
Broadband Compensation of Dispersion in APL Using OPC Based on DFB Semiconductor Lasers
Author :
Long Huang ; Peng Wang ; Tao Pu ; Jilin Zheng ; Bocang Qiu ; Xiangfei Chen
Author_Institution :
Microwave-Photonics Technol. Lab., Nanjing Univ., Nanjing, China
Abstract :
A broadband chromatic dispersion (CD) compensation scheme using optical phase conjugation (OPC) based on a DFB semiconductor laser is proposed and experimentally demonstrated in analog photonic links (APLs). The DFB laser acts as a nonlinear medium to induce four-wave mixing and a pump laser simultaneously. Compared with the conventional OPC based on a semiconductor optical amplifier or a dispersion-shifted fiber, an extra pump laser is no longer required. Experimental results show that the power fading caused by the CD in a 50.4-km APL can be compensated with a 3-dB bandwidth up to 33 GHz. Meanwhile, the spur-free dynamic range is enhanced with 12.6 dB · Hz2/3; the transmission performance is also improved.
Keywords :
compensation; distributed feedback lasers; microwave photonics; multiwave mixing; optical fibre dispersion; optical phase conjugation; optical pumping; semiconductor lasers; APL; DFB semiconductor lasers; OPC; analog photonic links; broadband dispersion compensation; chromatic dispersion; dispersion-shifted fiber; distance 50.4 km; four-wave mixing; nonlinear medium; optical phase conjugation; power fading; pump laser; semiconductor optical amplifier; spur-free dynamic range; Fading; Optical fiber amplifiers; Optical fiber communication; Optical fiber dispersion; Optical pumping; Microwave photonics; analog optical link; dispersion compensation; distributed feedback lasers; optical phase conjugation;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2015.2472413
