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Broadband One Way Propagation via Dielectric Waveguides with Unequal Effective Index

Oner, B. B.
Ustun, K.
OKYAY, Ali Kemal
Sayan, Gönül
We present an efficient approach for broad band one way propagation of light by parallel and unequal dielectric waveguides leading different effective phase shifts. Three dimensional numerical simulations show that 30% operating bandwidth is achieved.