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

Tailoring of modal losses in anisotropic 2D material ribbons by regulating material absorption

Not Accessible

Your library or personal account may give you access

Abstract

In plasmonic guided waves, material absorption is generally an unwanted shortcoming that degrades the quality of plasmon modes by greatly curtailing their propagation distance. In this work, we explore the general features of the modal properties supported by 2D anisotropic materials and elucidate how the material’s in-plane anisotropy can offer a previously untenable level of control or tailoring over plasmonic waveguide design. In particular, we find that utilizing the in-plane anisotropy of anisotropic 2D materials in the conductivity of ribbon films, it is possible to significantly manipulate the modal loss of the plasmonic guided modes by increasing the material absorption of the 2D materials. The physical root cause of this behavior is control over the various electric field components within the film by utilizing the material dispersion of the anisotropic film. This control allows for the ability to manipulate at will, for a wide a range of structure parameters and wavelengths, the net field within the ribbon arising from the interplay between the two edge modes, which constitute the film edges. The findings thus unlock beneficial capabilities offered by using natural 2D anisotropic materials such as black phosphorous in the design of active/passive nano-scale circuits. Furthermore, when these effects are employed in gain media composed of 2D materials, the ability for the realization of low modal loss plasmonic modes concomitant with the presence of substantial material absorption can introduce a new design paradigm that promises novel and enhanced functionality.

© 2020 Optical Society of America

Full Article  |  PDF Article
More Like This
Plasmonically induced transparency in in-plane isotropic and anisotropic 2D materials

Shengxuan Xia, Xiang Zhai, Lingling Wang, and Shuangchun Wen
Opt. Express 28(6) 7980-8002 (2020)

Surface absorption channels in light absorption by a 2D-material-coated particle

Shangyu Zhang, Jian Dong, Wenjie Zhang, Lanxin Ma, and Linhua Liu
J. Opt. Soc. Am. B 40(11) 2860-2867 (2023)

Modal control of thermoplasmonic behavior of nanostructures based on excitation of perfect absorption resonances

Payam Yazdanfar, Hesam Heydarian, and Bizhan Rashidian
J. Opt. Soc. Am. B 37(8) 2238-2247 (2020)

Supplementary Material (1)

NameDescription
Supplement 1       Supporting information 1

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 (5)

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 (5)

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

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved