Decay Control via Discrete-to-Continuum Coupling Modulation in an Optical Waveguide System
Abstract
Control of optical tunneling via modulation of the coupling to the continuum is experimentally reported in femtosecond laser written waveguide arrays. The experiment demonstrates for optical tunneling in photonic lattices the universal mechanism of decay control recently proposed for quantum systems by Kofman and Kurizki [Phys. Rev. Lett. 87, 270405 (2001)]. In particular, we prove that the formation of a dressed discrete-continuum bound state in the regime of fractional decay can be suppressed by dynamic modulation of discrete-to-continuum coupling.
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If the array is excited by a broad beam tilted close to the Bragg angle, the continuous limit of the coupled-mode equations leads to a Dirac equation for the spinor ψ with a potential Φ(z) accounting for the waveguide axis bending.
“If the array is excited by a broad beam tilted close to the Bragg angle, the continuous limit of the coupled-mode equations now leads to the following Dirac equation for the spinor ψ [37] [compare with Eq.(2)]”
From Classical simulation of relativistic quantum mechanics in periodic optical structures (2011) · cites this paper as [37]
Light transport in a binary waveguide array with a sinusoidally-curved optical axis provides a classical simulator of the dynamic pair production process, in which pair production is visualized as a breakup of an initial Gaussian wave packet.
“In a recent work [37], it was shown that light transport in a binary waveguide array with a sinusoidallycurved optical axis provides a classical simulator of the dynamic pair production process, in which pair production is visualized as a breakup of an initial Gaussian wave packet”
From Classical simulation of relativistic quantum mechanics in periodic optical structures (2011) · cites this paper as [37]
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References 27 · Cited by 80
- Authors
- Dreisow, F., Szameit, A., Heinrich, M., Pertsch, T., Nolte, S., Tünnermann, A., & Longhi, S.
- Affiliations
- Friedrich Schiller University Jena (DE)
- Fraunhofer Institute for Applied Optics and Precision Engineering (DE)
- Istituto di Fotonica e Nanotecnologie (IT)
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2008-10-03
- Volume
- 101
- Issue
- 14
- Pages
- 143602-143602
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2043649748
- Cited by
- 80
- References
- 27
- Citations by year
- 2026: 4 · 2025: 2 · 2024: 4 · 2023: 3 · 2022: 2 · 2021: 4 · 2020: 5 · 2019: 4 · 2018: 5 · 2017: 8 · 2016: 4 · 2015: 1 · 2014: 5 · 2013: 5 · 2012: 4
- FWCI
- 5.15
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Physical Review Letters (publishedVersion)
- PubMed (publishedVersion)
- Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft) (submittedVersion)
- Fraunhofer-Publica (Fraunhofer-Gesellschaft) (submittedVersion)
- Topics
- Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Nonlinear Photonic Systems
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Mechanics and Non-Hermitian Physics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum optics and atomic interactions
- Keywords
- optical tunneling, decay control, discrete-continuum coupling, photonic lattices, waveguide arrays
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