Graphdiyne-deposited microfiber structure all-optical modulator at the telecommunication band | Zendy

Kuokuo Zhang | Zendy; Wenli Bao | Zendy; Xing Chen | Zendy; Shunbin Lu | Zendy

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Graphdiyne-deposited microfiber structure all-optical modulator at the telecommunication band

Author(s) -

Kuokuo Zhang,

Wenli Bao,

Xing Chen,

Shunbin Lu

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.443217

Subject(s) - microfiber , materials science , optics , signal (programming language) , spatial light modulator , phase modulation , optical modulator , optoelectronics , phase (matter) , electro optic modulator , wavelength , optical communication , modulation (music) , physics , phase noise , computer science , quantum mechanics , acoustics , composite material , programming language

All-optical modulator is a crucial device in next generation of all-optical communications, interconnects, and signal processing. Here, we demonstrate an all-optical phase modulator with graphdiyne (GDY)-deposited microfiber structure. The phase shift of the signal light can be readily controlled by pump light by thermo-optic effect. This all-optical modulator can achieve a phase shift slope of 0.0296 π·mW -1 and a rising time of 5.48 ms at 25 Hz (3 ms, 50 Hz). Modes distributions in GDY-deposited microfiber at different wavelength are numerical analyzed and the normalized phase conversion efficiency of GDY are calculated. The results show that GDY has a considerable normalized phase conversion efficiency of 0.1644 π·mW -1 ·mm -1 , which is higher than that of graphene, MXene and WS 2 based all-optical modulators. This work proves the potential of GDY in all-optical modulator device at telecommunication band and provides a support to all-optical signal processing systems.

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