Electromagnetically Induced Exciton Mobility in a Photonic Band Gap
Abstract
It is suggested that an exciton in the engineered vacuum of a photonic-band-gap-quantum-well heterostructure exhibits electromagnetically induced anomalous quantum dynamics. The exciton is dressed by coherent emission and reabsorption of virtual photons near the photonic band edge and captured in momentum space, lowering its energy by 1-10 meV and lowering its effective mass by 4-5 orders of magnitude. The photonic band gap simultaneously enables strong coupling to confined optical modes and long exciton lifetime.
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The woodpile photonic crystal has a large complete photonic band gap of δω/ω = 21%, while the authors' photonic crystal has no complete photonic band gap.
“In contrast, the frequency of a conventional PhC cavity state with woodpile-PhC cladding is much more sensitive to the thickness of the slab 42 (see inset of Fig. 4c and details in Methods), despite the fact that the woodpile PhC has a large complete photonic band gap of δω/ω = 21% while our PhC has no complete photonic band gap.”
From Type-II Dirac photons (2017) · cites this paper as [42]
The frequency of a conventional photonic crystal cavity state with woodpile cladding is much more sensitive to the thickness of the slab.
“In contrast, the frequency of a conventional PhC cavity state with woodpile-PhC cladding is much more sensitive to the thickness of the slab 42 (see inset of Fig. 4c and details in Methods), despite the fact that the woodpile PhC has a large complete photonic band gap of δω/ω = 21% while our PhC has no complete photonic band gap.”
From Type-II Dirac photons (2017) · cites this paper as [42]
Cited by
Sorted by citations
Wang, H.-X., Chen, Y., Hang, Z. H., Kee, H.-Y., & Jiang, J.-H. (2017) · npj Quantum Materials · doi:10.1038/s41535-017-0058-z · Cited by 70 · see citing works
Silicon as an emissive optical medium
Shainline, J. M., & Xu, J. (2007) · Laser & Photonics Reviews · doi:10.1002/lpor.200710021 · Cited by 52 · see citing works
- Authors
- John, S., & Yang, S.
- Affiliations
- University of Toronto (CA)
- ORCID
- John, Sajeev
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2007-07-24
- Volume
- 99
- Issue
- 4
- Pages
- 046801-046801
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2013067744
- Cited by
- 10
- References
- 0
- Citations by year
- 2018: 1 · 2017: 2 · 2016: 1 · 2014: 2 · 2012: 1
- FWCI
- 0.41
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Physical Review Letters (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Semiconductor Quantum Structures and Devices
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Strong Light-Matter Interactions
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Photonic Crystals and Applications
- Keywords
- exciton mobility, photonic band gap, quantum well heterostructures, virtual photons, exciton lifetime, strong light-matter coupling, photonic band edge
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