Up to 50 Gb/s modulation of an EAM integrated widely tunable DBR laser | Zendy

Yunlong Liu | Zendy; Lichen Zhang | Zendy; Xiaobo La | Zendy; Xuyuan Zhu | Zendy; Lingjuan Zhao | Zendy; Wei Wang | Zendy; Song Liang | Zendy

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Up to 50 Gb/s modulation of an EAM integrated widely tunable DBR laser

Author(s) -

Yunlong Liu,

Lichen Zhang,

Xiaobo La,

Xuyuan Zhu,

Lingjuan Zhao,

Wei Wang,

Song Liang

Publication year - 2021

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.408722

Subject(s) - distributed bragg reflector , optics , wavelength division multiplexing , laser , materials science , distributed bragg reflector laser , modulation (music) , optoelectronics , wavelength , bandwidth (computing) , tunable laser , telecommunications , physics , computer science , acoustics

An electro-absorption modulator (EAM) integrated widely tunable distributed Bragg reflector (DBR) laser working at 1.5 µm is reported. By utilizing the RF resonance between the bonding wire and the EAM, a 28 GHz modulation bandwidth is obtained. The device is modulated with up to 50 Gb/s NRZ data. At 28 Gb/s, the power penalty to obtain a 10 -10 bit error rate (BER) after a 5 Km standard single mode fiber transmission is less than 0.7 dB. Because the DBR material has a long bandgap wavelength, the wavelength tuning range of the laser is larger than 12 nm. The DBR laser is a promising low cost tunable light source for future high capacity wavelength division multiplexing (WDM) optical communication systems.

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