Compact Low-Loss Optical 72<inline-formula><tex-math notation="LaTeX">$^{\circ }$</tex-math></inline-formula> Hybrid Based on Nonoverlapping-Image Multimode Interference Coupler in Silicon-on-Insulator
A universal principle to achieve different optical hybrids is summarized based on general nonoverlapping-image MMI couplers. An optical 72° hybrid is proposed and demonstrated which is achieved by a 2 × 5 multimode interference (MMI) coupler with length of 89.5 μm an...
Main Authors: | , , , , , , |
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Format: | Article |
Language: | English |
Published: |
IEEE
2019-01-01
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Series: | IEEE Photonics Journal |
Subjects: | |
Online Access: | https://ieeexplore.ieee.org/document/8915737/ |