Study on self-imaging properties for line-tapered multimode interference couplers

Le, Zichun; Huang, Sungang; Fu, Minglei; Dong, Wen; Zhang, Jie; Zhang, Ming

doi:10.1016/j.optcom.2011.07.051

Cited by 6 publications

(1 citation statement)

References 13 publications

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“…One or more images of the input light field appear at different lateral direction when multi-modes propagate through the region of coupler. Some theoretical aspects have been developed [1]- [6] to describe the optical behavior of light in MMI couplers so far. Many complex optical devices based on MMI couplers have been investigated such as switches [7], [8], sensors [9], [10], routers [11], [12] and optical hybrids [13]- [18].…”

Section: Introductionmentioning

confidence: 99%

Compact Low-Loss Optical 72$^{\circ }$ Hybrid Based on Nonoverlapping-Image Multimode Interference Coupler in Silicon-on-Insulator

Kuang

Guan

et al. 2019

IEEE Photonics J.

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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 and width of 8.0 μm. The device is fabricated in silicon-on-insulator (SOI) with 220 nm thick top silicon layer and the buried oxide layer is 3 μm thick. The proposed device exhibits an extinction ratio larger than 20 dB from 1470.8 nm to 1581.2 nm. The excess loss of optical hybrid is about 1.4 dB and a phase deviation less than ±6.0 • is obtained with the bandwidth of 51.5 nm.

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Section: Introductionmentioning

confidence: 99%

Compact Low-Loss Optical 72$^{\circ }$ Hybrid Based on Nonoverlapping-Image Multimode Interference Coupler in Silicon-on-Insulator

Kuang

Guan

et al. 2019

IEEE Photonics J.

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The cascaded exponential-tapered multimode interference couplers based triplexer design for FTTH system

Yin

Huang

et al. 2014

Optik

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Highly compact 2×2 multimode interference coupler in silicon photonic nanowires for array waveguide grating demodulation integration microsystem

Dong

et al. 2013

Optics & Laser Technology

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Study on self-imaging properties for line-tapered multimode interference couplers

Cited by 6 publications

References 13 publications

Compact Low-Loss Optical 72$^{\circ }$ Hybrid Based on Nonoverlapping-Image Multimode Interference Coupler in Silicon-on-Insulator

Compact Low-Loss Optical 72$^{\circ }$ Hybrid Based on Nonoverlapping-Image Multimode Interference Coupler in Silicon-on-Insulator

The cascaded exponential-tapered multimode interference couplers based triplexer design for FTTH system

Highly compact 2×2 multimode interference coupler in silicon photonic nanowires for array waveguide grating demodulation integration microsystem

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