Three-mode multiplexer and demultiplexer utilizing trident and multimode couplers
In this paper, a simultaneous three-mode silicon (de)multiplexer using a trident coupler and a 3 x 3 multimode interference (MMI) is presented. The fundamental (TE0), first-order (TE1), and second-order (TE2) modes at the input are successfully demultiplexed and converted to three uniform fundamental modes (TE0) at the output ports. The device is designed and optimized by numerical simulation using three-dimensional beam propagation method together with effective index method. The three-mode...[Show more]
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