Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Incoherent optical modulation of graphene based on an in-line fiber Mach–Zehnder interferometer

Not Accessible

Your library or personal account may give you access

Abstract

We investigated the incoherent optical modulation of graphene based on an in-line fiber Mach–Zehnder interferometer fabricated by offset splicing of a D-shaped fiber and single-mode fibers. The D-shaped flat surface was coated with a single-layer graphene whose refractive index can be modulated by an external laser. With a backward pump-probe setup, we found that the incoherent optical modulation occurred independently of the wavelength difference between the pump and probe lasers, supporting the theoretical analysis that the incoherent optical modulation is mainly contributed by the carrier-phonon process of graphene. Further, both the decrease of the pump wavelength and the increase of the pump power would deepen the modulation in an exponential trend. The experimental results are beneficial to understanding the incoherent optical modulation process in graphene. The proposed interferometer covered by graphene can also be used as a compact all-optical intensity modulator.

© 2017 Optical Society of America

Full Article  |  PDF Article
More Like This
Intensity-modulated directional torsion sensor based on in-line optical fiber Mach–Zehnder interferometer

Qinjiang Fu, Jingdong Zhang, Chuancan Liang, Iroegbu Paul Ikechukwu, Guolu Yin, Lei Lu, Yifan Shao, Liu Liu, Dongxiao Liu, and Tao Zhu
Opt. Lett. 43(10) 2414-2417 (2018)

Miniature and robust optical fiber in-line Mach–Zehnder interferometer based on a hollow ellipsoid

H. Gong, D. N. Wang, B. Xu, K. Ni, H. Liu, and C. L. Zhao
Opt. Lett. 40(15) 3516-3519 (2015)

Fiber inline Mach–Zehnder interferometer based on femtosecond laser inscribed waveguides

W. W. Li, W. P. Chen, D. N. Wang, Z. K. Wang, and Ben Xu
Opt. Lett. 42(21) 4438-4441 (2017)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (6)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (4)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Metrics

Select as filters


Select Topics Cancel
© Copyright 2022 | Optica Publishing Group. All Rights Reserved