Photonic topological insulator emulating quantum spin Hall effect is employed to demonstrate the first reflections-free topologically protected delay line. Large broadband time delays of the guided edge modes are measured, compared with narrow-band non-topological ones.

© 2016 Optical Society of America

PDF Article


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 OSA member, or as an authorized user of your institution.

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