Mr. Fyodor Morozko Profile

Fyodor Morozko

SPIE Involvement:

Author

Publications (1)

This will count as one of your downloads.

You will have access to both the presentation and article (if available).

DOWNLOAD NOW

This content is available for download via your institution's subscription. To access this item, please sign in to your personal account.

Email or Username Forgot your username?

Password Forgot your password?

Show

Keep me signed in

No SPIE account? Create an account

Proceedings Article | 24 May 2022 Poster + Paper

Modal theory for twisted waveguides

Fyodor Morozko, Alina Karabchevsky, Andrey Novitsky

Proceedings Volume 12130, 121300E (2022) https://doi.org/10.1117/12.2620784

KEYWORDS: Polarization control, Integrated photonics, Analytical research, Finite difference methods, Waveguides, Polarization, Wave propagation, Maxwell's equations, Beam propagation method, Matrices, Light wave propagation, Waveguide modes

Read Abstract +

Twisted waveguides are promising building blocks for broadband polarization rotation in integrated photonics. They may find applications in polarization-encoded telecommunications and quantum-optical systems. In our work, we develop a rigorous modal theory for such waveguides. To this end, we define an eigenmode of a twisted waveguide as a natural generalization of the eigenmode of a straight waveguide. Using covariant approach for expressing Maxwell’s equations in helical reference frame, we obtain the eigenmode equation which appears to be nonlinear with respect to the eigenvalue, i.e. propagation constant. By analyzing the obtained equations we establish fundamental properties of the eigenmodes and prove their orthogonality. We develop a finite-difference full-vectorial scheme for solving the eigenmode equation and solve it using two approaches: with perturbation theory and using routines for nonlinear eigenvalue problems. By analyzing the obtained propagation constants and modal fields we explain the modal mechanism of polarization rotation in twisted waveguides and explain qualitatively polarization conversion efficiency dependence on twist length. Although photonic applications are of our primary concern, our results are general and apply to twisted waveguides of arbitrary architecture.

My Library

You currently do not have any folders to save your paper to! Create a new folder below.

Folder Name

Folder Description

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks. You are receiving this notice because your organization may not have SPIE eBooks access.*

*Shibboleth/Open Athens users─please sign in to access your institution's subscriptions.

To obtain this item, you may purchase the complete book in print or electronic format on SPIE.org.

ORGANIZATIONAL
Sign in with credentials provided by your organization.

Organizational Username

Organizational Password

Show/Hide Password

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members:

Non-members: ADD TO CART

Keywords/Phrases

Search In:

Publication Years