Photon Propagation in a Discrete Fiber Network: An Interplay of Coherence and Losses
Open accessAbstract
We study light propagation in a photonic system that shows stepwise evolution in a discretized environment. It resembles a discrete-time version of photonic waveguide arrays or quantum walks. By introducing controlled photon losses to our experimental setup, we observe unexpected effects like subexponential energy decay and formation of complex fractal patterns. This demonstrates that the interplay of linear losses, discreteness and energy gradients leads to genuinely new coherent phenomena in classical and quantum optical experiments. Moreover, the influence of decoherence is investigated.
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The appropriate eigenstate for a given Bloch momentum Q is excited by applying phase φ = Q during diffusive motion and φ = (Q ± π)/2 for the last time step before propagation.
“To excite a specific Bloch momentum Q, we apply a phase of ϕ = Q during the diffusive motion and a phase of ϕ = (Q ± π) /2 for the last time step before the actual propagation.”
From Experimental measurement of the Berry curvature from anomalous transport (2017) · cites this paper as [37]
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References 31 · Cited by 166
Research works printed but not linked: 4
- [27]F. Abdullaev, V. Konotop, and V. Shchesnovich, Physical Review A 83 (2011).
- [28]V. Kendon, Math. Structures Comput. Sci. 17 , 1169 (2007). http://journals.cambridge.org/abstract_S0960129507006354
- [31]S. Takahashi, J. Comput. Syst. Sci. 44 , 114 (1992). http://dx.doi.org/10.1016/0022-0000(9290007-6) · DOI
- [32]S. Willson, Discrete Appl. Math. 8 , 91 (1984). http://dx.doi.org/10.1016/0166-218X(8490082-9) · DOI
- Authors
- Regensburger, A., Bersch, C., Hinrichs, B., Onishchukov, G., Schreiber, A., Silberhorn, C., & Peschel, U.
- Affiliations
- Friedrich-Alexander-Universität Erlangen-Nürnberg (DE)
- Max Planck Society (DE)
- Paderborn University (DE)
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2011-12-02
- Volume
- 107
- Issue
- 23
- Pages
- 233902-233902
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2104953584
- Cited by
- 166
- References
- 31
- Citations by year
- 2026: 11 · 2025: 14 · 2024: 19 · 2023: 9 · 2022: 14 · 2021: 14 · 2020: 14 · 2019: 13 · 2018: 11 · 2017: 9 · 2016: 13 · 2015: 4 · 2014: 1 · 2013: 10 · 2012: 10
- FWCI
- 3.06
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Physical Review Letters (publishedVersion)
- PubMed (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- MPG.PuRe (Max Planck Society) (submittedVersion)
- arXiv (Cornell University)
- Topics
- Physical Sciences › Physics and Astronomy › Acoustics and Ultrasonics › Random lasers and scattering media
- 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
- photon propagation, photonic waveguide arrays, quantum walks, photon loss, decoherence, fractal patterns, coherence, energy gradients, classical optics
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