Publisher Correction: Coherent interaction of atoms with a beam of light confined in a light cage

Davidson-Marquis, Flavie; Gargiulo, Julián; Gómez-López, Esteban; Jang, Bumjoon; Kroh, Tim; Muller, Christopher; Ziegler, Mario; Maier, Stefan A.; Kübler, Harald; Schmidt, Markus; Benson, Oliver

doi:10.1038/s41377-021-00571-0

Cited by 2 publications

(9 citation statements)

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“…As shown for light cages, protection against corrosive chemicals can also be provided by coating the nanoprinted structures with alumina nanofilms via low-temperature atomic layer deposition (ALD). 3,60 The experiments indicate that the introduction of gaps into the waveguide system does not influence the position of the transmission bands but the magnitude of the overall transmission. For reaching a certain SOF, it seems beneficial to distribute many small gaps along the waveguide axis instead of a few long gaps.…”

Section: ■ Discussionmentioning

confidence: 94%

“…Overall, the use of inorganic materials would provide better stability of the microgap waveguides against harsh environmental conditions. As shown for light cages, protection against corrosive chemicals can also be provided by coating the nanoprinted structures with alumina nanofilms via low-temperature atomic layer deposition (ALD). , …”

Section: Discussionmentioning

confidence: 99%

“…22 Such filling times are particularly long for low-pressure atomic vapors used in quantum optical experiments and can be on the order of months for a waveguide length of a few centimeters. 3,23,24 In that context, intermediate solutions in between these two extreme cases have been reported: For instance, single- 25,26 and multislotted waveguides 27 have been developed, where two or more subwavelength-sized solid cores in close proximity provide a larger evanescent field region, thereby increasing the volume of light matter interaction. However, a non-negligible fraction of the field remains inside the waveguide's material, which is an inherent problem to solid core guidance.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Chip-integration of optical waveguides plays a central role in serving the growing demand for compact, cost-efficient, and mass producible optical devices such as infrared and Raman spectrometers, integrated quantum optical circuits, optofluidic setups, or point-of-care diagnostics. Particularly, gas-based measurements like atmospheric monitoring, breath analysis, or quantum optics with atomic vapors are currently of interest. While the integration of light sources − and spectrometers − has seen considerable progress in recent years, less attention has been directed on the waveguide elements in between them.…”

Section: Introductionmentioning

confidence: 99%

“…In practice, the passive introduction of analytes into the micron-sized core via diffusion from its end faces is impracticably slow, requiring devices to actively pump the analyte through the waveguide, which cannot be integrated straightforwardly . Such filling times are particularly long for low-pressure atomic vapors used in quantum optical experiments and can be on the order of months for a waveguide length of a few centimeters. ,, …”

Section: Introductionmentioning

confidence: 99%

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3D-Nanoprinted Antiresonant Hollow-Core Microgap Waveguide: An on-Chip Platform for Integrated Photonic Devices and Sensors

et al. 2022

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Due to their unique capabilities, hollow-core waveguides are playing an increasingly important role, especially in meeting the growing demand for integrated and low-cost photonic devices and sensors. Here, we present the antiresonant hollow-core microgap waveguide as a platform for the on-chip investigation of light-gas interaction over centimeter-long distances. The design consists of hollow-core segments separated by gaps that allow external access to the core region, while samples with lengths up to 5 cm were realized on silicon chips through 3Dnanoprinting using two-photon absorption based direct laser writing. The agreement of mathematical models, numerical simulations and experiments illustrates the importance of the antiresonance effect in that context. Our study shows the modal loss, the effect of gap size and the spectral tuning potential, with highlights including extremely broadband transmission windows (>200 nm), very high contrast resonance (>60 dB), exceptionally high structural openness factor (18%) and spectral control by nanoprinting (control over dimensions with step sizes (i.e., increments) of 60 nm). The application potential was demonstrated in the context of laser scanning absorption spectroscopy of ammonia, showing diffusion speeds comparable to bulk diffusion and a low detection limit. Due to these unique properties, application of this platform can be anticipated in a variety of spectroscopy-related fields, including bioanalytics, environmental sciences, and life sciences.

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Section: ■ Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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3D-Nanoprinted Antiresonant Hollow-Core Microgap Waveguide: An on-Chip Platform for Integrated Photonic Devices and Sensors

et al. 2022

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Spatially Controlled Phase Modulation - Selective Higher-Order Mode Excitation in 3D Nanoprinted on-Chip Hollow-Core Waveguides

Pereira,

Ferreira,

Zeisberger

et al. 2024

ACS Photonics

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Higher-order modes and hollow-core waveguides are highly relevant research directions in photonics, while most studies are solely focused on fundamental modes. This work introduces a novel approach to efficiently excite higher-order modes in nanoprinted hollow-core waveguides using spatially controlled phase modulation. The key lies in the integration of precisely designed nanoprinted phase elements at the beginning of an antiresonant waveguide, which creates a spatially controlled phase shift that matches the phase distribution of the desired mode. Both experiments and simulations confirm efficient excitation of specific higher-order modes and verify antiresonant light guidance within the core. The study details all aspects of this approach, including a mathematical model explaining the importance of phase matching, simulations demonstrating the effect of the phase elements, and experimental verification using 3D nanoprinting and optical characterization. This approach enables the precise excitation of selected higher-order modes in a nanoprinted hollow-core waveguide, combining several key features in an integrated on-chip photonic platform with a small geometric footprint. Potential applications span across multiple disciplines, including nanoscience, analytical chemistry, and materials science. The flexibility of the concept and implementation method allows for transferring it to other types of on-chip waveguides and optical fibers, opening up new avenues for waveguide photonics.

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Publisher Correction: Coherent interaction of atoms with a beam of light confined in a light cage

Cited by 2 publications

References 1 publication

3D-Nanoprinted Antiresonant Hollow-Core Microgap Waveguide: An on-Chip Platform for Integrated Photonic Devices and Sensors

3D-Nanoprinted Antiresonant Hollow-Core Microgap Waveguide: An on-Chip Platform for Integrated Photonic Devices and Sensors

Spatially Controlled Phase Modulation - Selective Higher-Order Mode Excitation in 3D Nanoprinted on-Chip Hollow-Core Waveguides

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