Graphdiyne-Coated Microfiber All-Optical Temporal Modulator Based on Saturable Absorption

Kuokuo Zhang; Zeping Qiu; Shijia He; Wenli Bao; Shunbin Lu

doi:10.3389/fphy.2022.893023

Frontiers in Physics (May 2022)

Graphdiyne-Coated Microfiber All-Optical Temporal Modulator Based on Saturable Absorption

Kuokuo Zhang,
Zeping Qiu,
Shijia He,
Wenli Bao,
Shunbin Lu

Affiliations

Kuokuo Zhang: International Collaborative Laboratory of 2D Materials for Optoelectronic Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics (IMO), Shenzhen University, Shenzhen, China
Zeping Qiu: International Collaborative Laboratory of 2D Materials for Optoelectronic Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics (IMO), Shenzhen University, Shenzhen, China
Shijia He: International Collaborative Laboratory of 2D Materials for Optoelectronic Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics (IMO), Shenzhen University, Shenzhen, China
Wenli Bao: College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, China
Shunbin Lu: International Collaborative Laboratory of 2D Materials for Optoelectronic Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics (IMO), Shenzhen University, Shenzhen, China

DOI: https://doi.org/10.3389/fphy.2022.893023
Journal volume & issue: Vol. 10

Abstract

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A high-speed all-optical modulator is a key device in next-generation communication systems. Due to easy fabrication and an effective modulation effect, two-dimensional (2D) material–microfiber structure all-optical modulators have aroused much attention. Graphdiyne (GDY) is an excellent nonlinear optical material and is expected to be utilized in all-optical modulators. In this work, we demonstrate a GDY-coated all-optical temporal modulator according to its saturable absorption. Under the pump pulse light of 1,064 nm, the fabricated modulator successfully modulates the continuous-wave (CW) light of 1,550 nm to the waveform of pump light with a pulse width of 4 ns and a repetition rate of 5 kHz. Our results show that GDY could be used in high-speed all-optical modulators and pave a way for the research of GDY in all-optical information processing applications.

Published in Frontiers in Physics

ISSN: 2296-424X (Online)
Publisher: Frontiers Media S.A.
Country of publisher: Switzerland
LCC subjects: Science: Physics
Website: https://www.frontiersin.org/journals/physics

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