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241217s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202415083
|2 doi
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|a eng
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|a Jia, Ridong
|e verfasserin
|4 aut
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|a Photonic Supercoupling in Silicon Topological Waveguides
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 17.12.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2024 Wiley‐VCH GmbH.
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|a Waveguide interconnect coupling control is essential for enhancing the chip density of photonic integrated circuits to incorporate a growing number of components. However, a critical engineering challenge is to achieve both strong waveguide isolation and efficient long-range coupling on a single chip. Here, a novel photonic supercoupling phenomenon is demonstrated for waveguide coupling over separation distances from a quarter to five wavelengths (λ), leveraging the tunable mode tails and the vortex energy flow in topological valley Hall system. A supercoupled integrated chip is developed, realizing a 91% coupling ratio and a -30 dB isolation over 2.8λ waveguide separations simultaneously. Supercoupled devices are further showcased including a waveguide-cavity system with 3.2λ excitation distance, and a waveguide directional supercoupler with a compact coupling area of nearly λ2/4, which outperform conventional devices. Supercoupling provides new degrees of freedom for optimizing coupling and isolation between photonic integrated components, facilitating new applications in on-chip sensing, lasing, and telecommunications
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|a Journal Article
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|a THz on‐chip photonics
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| 650 |
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|a THz topological photonic integrated circuits
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| 650 |
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|a silicon THz interconnect
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| 650 |
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|a topological supercoupling
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| 700 |
1 |
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|a Tan, Yi Ji
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Navaratna, Nikhil
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kumar, Abhishek
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Singh, Ranjan
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g (2024) vom: 17. Dez., Seite e2415083
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g year:2024
|g day:17
|g month:12
|g pages:e2415083
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202415083
|3 Volltext
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