Broadband 2 × 2 multimode interference coupler for mid-infrared wavelengths
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Optical Publishing Group
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Abstract
Beam splitters are core components of photonic integrated circuits and are often implemented with multimode interference couplers. While these devices offer high performance, their operational bandwidth is still restrictive for sensing applications in the mid-infrared wavelength range. Here we experimentally demonstrate a subwavelength-structured 2×2 multimode interference coupler with high performance in the 3.1−3.7µm range, doubling the bandwidth of a conventional device.
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Versión aceptada del artículo publicado en Optics Letters (https://doi.org/10.1364/OL.439985).
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Callum J. Stirling, Robert Halir, Alejandro Sánchez-Postigo, Zhibo Qu, Jamie D. Reynolds, Jordi Soler Penadés, Ganapathy Senthil Murugan, Alejandro Ortega-Moñux, J. Gonzalo Wangüemert-Pérez, Íñigo Molina-Fernández, Goran Z. Mashanovich, and Milos Nedeljkovic, "Broadband 2 × 2 multimode interference coupler for mid-infrared wavelengths," Opt. Lett. 46, 5300-5303 (2021)
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Except where otherwised noted, this item's license is described as Atribución 4.0 Internacional