Three-Dimensional Magneto-Optical Trap Beam Delivery with Scalable Wafer-Level Optics.

Zi Wang, Phillip S Cloud, Minsuk Lee, Wenqi Zhu, Kanghee Won, Qian Sun, Amit Agrawal

Abstract read

In one paragraph

Article in ACS photonics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Zi WangNational Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States.ORCID https://orcid.org/0000-0003-1080-5825

Phillip S CloudDepartment of Engineering, University of Cambridge, Cambridge CB3 0FA, U.K.

Minsuk LeeDepartment of Engineering, University of Cambridge, Cambridge CB3 0FA, U.K.

Wenqi ZhuNational Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States.ORCID https://orcid.org/0000-0001-7832-189X

Kanghee WonKyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea.

Qian SunKey Laboratory of Semiconductor Display Materials and Chips, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, P. R. China.ORCID https://orcid.org/0000-0001-5495-2232

Amit AgrawalDepartment of Engineering, University of Cambridge, Cambridge CB3 0FA, U.K.ORCID https://orcid.org/0000-0002-9619-7623

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Magneto-optical traps (MOTs) are essential for preparing and capturing cold atoms in precision atomic applications. Conventional free-space beam delivery systems are bulky, expensive, and difficult to align. Current photonic integrated circuit (PIC) MOT approaches, although scalable, still require manual alignment of external quarter-wave plates (QWPs) and mirrors, limiting miniaturization and reduction of complexity. Here, we present a two-wafer beam delivery architecture for a PIC-based MOT using an inverse-designed multifunctional grating coupler and integrated metasurface retroreflectors, eliminating the need for all external optics. Both components are designed via inverse optimization to deliver circularly polarized light for

Indexed as

inverse designmagneto-optical trapmetagratingphotonic integrated circuittopology optimization

Identifiers

PMID42181552

DOI10.1021/acsphotonics.6c00337

PMCPMC13195731

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.