23 February 2010 Analytical formula for output phase of symmetrically excited one-to-N multimode interference coupler
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Abstract
We derive analytical formulations for the output phase profile of symmetrically excited one-to-N multimode interference couplers. We show that the output phase increases quadratically from the middle of the MMI waveguide, which needs to be taken into account for phase-dependent applications such as optical phased arrays.
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Amir Hosseini, David Kwong, Ray T. Chen, "Analytical formula for output phase of symmetrically excited one-to-N multimode interference coupler", Proc. SPIE 7607, Optoelectronic Interconnects and Component Integration IX, 760718 (23 February 2010); doi: 10.1117/12.839906; https://doi.org/10.1117/12.839906
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