紧凑型inp为基础的90°混合使用锥形2×4 MMI和2×2 MMI耦合器

2010 22nd International Conference on Indium Phosphide and Related Materials (IPRM) Pub Date : 2010-07-23 DOI:10.1109/ICIPRM.2010.5516301

Seok-Hwan Jeong, K. Morito

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引用次数: 2

摘要

我们提出了一种新的90°混合电路，使用基于对干涉的线性锥形2×4多模干涉(MMI)耦合器和2×2多模干涉耦合器。我们的理论计算和实验证明了所提出的90°混合电路具有非常短的器件长度约227 μm，并且不会伴随任何波导交叉点进行平衡检测。该器件在c波段光谱范围内具有相对相位偏差<±5°的正交相位响应。

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Compact InP-based 90° hybrid using a tapered 2×4 MMI and a 2×2 MMI coupler

We proposed a novel 90° hybrid using a paired-interference based linearly tapered 2×4 multimode interference (MMI) coupler and a 2×2 MMI coupler. We theoretically calculated and experimentally demonstrated that the proposed 90° hybrid has very short device length of ~227 μm and is never accompanied by any waveguide intersections for performing balanced detection. The proposed device exhibited quadrature phase response with a relative phase deviation of <±5° over C-band spectral range.

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2010 22nd International Conference on Indium Phosphide and Related Materials (IPRM)

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