We propose a generation method of higher-order orbital angular momentum (OAM) based on the cascade of two fabricated lower-mode selective couplers (MSCs) with a home-made four-mode fiber (4MF) and a ring-core fiber (RCF). This all-fiber OAM (also called optical vortex beam, which has a spiral phase wavefront) generation technology has the advantages of simple structure and low cost, which is suitable for the field of vortex-optics fiber communication.
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.
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
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.