Three-dimensional periodic dielectric structures having photonic Dirac points
Abstract
The dielectric, three-dimensional photonic materials disclosed herein feature Dirac-like dispersion in quasi-two-dimensional systems. Embodiments include a face-centered cubic (fcc) structure formed by alternating layers of dielectric rods and dielectric slabs patterned with holes on respective triangular lattices. This fcc structure also includes a defect layer, which may comprise either dielectric rods or a dielectric slab with patterned with holes. This defect layer introduces Dirac cone dispersion into the fcc structure's photonic band structure. Examples of these fcc structures enable enhancement of the spontaneous emission coupling efficiency (the .beta.-factor) over large areas, contrary to the conventional wisdom that the .beta.-factor degrades as the system's size increases. These results enable large-area, low-threshold lasers; single-photon sources; quantum information processing devices; and energy harvesting systems.
- Inventors:
- Issue Date:
- Research Org.:
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1183348
- Patent Number(s):
- 9046647
- Application Number:
- 13/769,954
- Assignee:
- Massachusetts Institute of Technology (Cambridge, MA)
- Patent Classifications (CPCs):
-
G - PHYSICS G02 - OPTICS G02B - OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- DOE Contract Number:
- SC0001299
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE
Citation Formats
Bravo-Abad, Jorge, Joannopoulos, John D., and Soljacic, Marin. Three-dimensional periodic dielectric structures having photonic Dirac points. United States: N. p., 2015.
Web.
Bravo-Abad, Jorge, Joannopoulos, John D., & Soljacic, Marin. Three-dimensional periodic dielectric structures having photonic Dirac points. United States.
Bravo-Abad, Jorge, Joannopoulos, John D., and Soljacic, Marin. Tue .
"Three-dimensional periodic dielectric structures having photonic Dirac points". United States. https://www.osti.gov/servlets/purl/1183348.
@article{osti_1183348,
title = {Three-dimensional periodic dielectric structures having photonic Dirac points},
author = {Bravo-Abad, Jorge and Joannopoulos, John D. and Soljacic, Marin},
abstractNote = {The dielectric, three-dimensional photonic materials disclosed herein feature Dirac-like dispersion in quasi-two-dimensional systems. Embodiments include a face-centered cubic (fcc) structure formed by alternating layers of dielectric rods and dielectric slabs patterned with holes on respective triangular lattices. This fcc structure also includes a defect layer, which may comprise either dielectric rods or a dielectric slab with patterned with holes. This defect layer introduces Dirac cone dispersion into the fcc structure's photonic band structure. Examples of these fcc structures enable enhancement of the spontaneous emission coupling efficiency (the .beta.-factor) over large areas, contrary to the conventional wisdom that the .beta.-factor degrades as the system's size increases. These results enable large-area, low-threshold lasers; single-photon sources; quantum information processing devices; and energy harvesting systems.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {6}
}
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