Highly balanced 2×2 multimode interferometers by optimizing the coupling of the taper fan-out

Sheng Yu; Shichao Zhu; Xun Lei; Luluzi Lu; Quan Cao

doi:10.1117/12.2606835

24 November 2021 Highly balanced 2×2 multimode interferometers by optimizing the coupling of the taper fan-out

Sheng Yu, Shichao Zhu, Xun Lei, Luluzi Lu, Quan Cao

Proceedings Volume 12066, AOPC 2021: Micro-optics and MOEMS; 120661D (2021) https://doi.org/10.1117/12.2606835
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

It is found that enhancing the coupling between the input or output tapers can cancel the intrinsic imbalance of a 2×2 multimode interferometer (MMI). Furthermore, a highly balanced 2×2 MMI is demonstrated with imbalance less than 0.1 dB in the full C-band by introducing a design with tilted tapers.

Citation Download Citation

Sheng Yu, Shichao Zhu, Xun Lei, Luluzi Lu, and Quan Cao "Highly balanced 2×2 multimode interferometers by optimizing the coupling of the taper fan-out", Proc. SPIE 12066, AOPC 2021: Micro-optics and MOEMS, 120661D (24 November 2021); https://doi.org/10.1117/12.2606835

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