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Modal Coupling of Single Photon Emitters Within Nanofiber Waveguides
Michele Gaio1, Maria Moffa2, Marta Castro-Lopez1
1Department of Physics, King's College London , Strand, London WC2R 2LS, United Kingdom.
ACS Nano
|May 21, 2016
Summary
Soft-matter nanofibers with embedded emitters enable efficient, low-loss photon transport for quantum technology. This breakthrough allows selective channeling of single photons for integrated photonic systems.
Area of Science:
- Photonics
- Materials Science
- Quantum Technology
Background:
- Localized electromagnetic fields are key for light manipulation at the nanoscale.
- Selective photon channeling in integrated photonic systems remains a significant challenge.
Purpose of the Study:
- To demonstrate soft-matter nanofibers for efficient, low-loss, and selective photon transport.
- To explore their potential for quantum information technology.
Main Methods:
- Electrospinning of soft-matter nanofibers with embedded emitters.
- Momentum spectroscopy to quantify modal coupling efficiency.
- Near-field coupling and propagation loss measurements.
Main Results:
- Nanofibers exhibit subwavelength field localization and broadband near-field coupling.
- Low propagation losses were achieved.
- Single-mode coupling regime was identified and quantified.
- Non-resonant interactions enable room-temperature operation.
Conclusions:
- Soft-matter nanofibers provide a scalable platform for integrated photonic systems.
- They offer a promising solution for selective photon channeling.
- The technology is well-suited for future quantum information applications.
