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Dual-wavelength DBR laser integrated with high-speed EAM for THz communications



Author(s): Liu, YL (Liu, Yunlong); Tang, Q (Tang, Qiang); Zhang, LC (Zhang, Lichen); La, XB (La, Xiaobo); Zhao, LJ (Zhao, Lingjuan); Wang, W (Wang, Wei); Liang, S (Liang, Song)

Source: OPTICS EXPRESS Volume: 28 Issue: 7 Pages: 10542-10551 DOI: 10.1364/OE.386014 Published: MAR 30 2020

Abstract: We report a novel single-cavity dual-wavelength laser that has two distributed Bragg reflector (DBR) gratings at each side of a gain section for THz communication applications. By varying the inject current of one of the DBR gratings, the optical beat frequency of the laser can be widely tuned. In the device, a high-speed electro-absorption modulator (EAM) is also integrated and can be used for up to 25 Gb/s data modulation. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

Accession Number: WOS:000523766500122

PubMed ID: 32225637

ISSN: 1094-4087

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