A novel design proposal to minimize reflections in deep-ridgemultimode interference couplers |
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Authors: | Gottesman Y. Rao E.V.K. Dagens B. |
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Affiliation: | France Telecom, CNET, Bagneux; |
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Abstract: | We propose and demonstrate here the high efficiency of a novel design for deep-ridge multimode interference (MMI) couplers rendering them to behave like good transmitters with minimized reflections when integrated with emission devices. Using optical low-coherence reflectometry measurements, this novel design is shown to suppress to a great extent the highly detrimental internal resonance and often important backreflections inherent to even fully optimized deep-ridge MMIs |
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