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Title: Three-dimensional periodic dielectric structures having photonic Dirac points

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:
OSTI Identifier:
1183348
Assignee:
Massachusetts Institute of Technology (Cambridge, MA) DOESC
Patent Number(s):
9,046,647
Application Number:
13/769,954
Contract Number:
SC0001299
Research Org:
Massachusetts Institute of Technology, Cambridge, MA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE

Other works cited in this record:

Enabling single-mode behavior over large areas with photonic Dirac cones
journal, June 2012
  • Bravo-Abad, J.; Joannopoulos, J. D.; Soljacic, M.
  • Proceedings of the National Academy of Sciences, Vol. 109, Issue 25, p. 9761-9765
  • DOI: 10.1073/pnas.1207335109

Observation and Differentiation of Unique High-Q Optical Resonances Near Zero Wave Vector in Macroscopic Photonic Crystal Slabs
journal, August 2012

Photonic-crystal slow-light enhancement of nonlinear phase sensitivity
journal, January 2002
  • Soljačić, Marin; Johnson, Steven G.; Fan, Shanhui
  • Journal of the Optical Society of America B, Vol. 19, Issue 9, p. 2052-2059
  • DOI: 10.1364/JOSAB.19.002052

Analysis of guided resonances in photonic crystal slabs
journal, June 2002

Dirac cones induced by accidental degeneracy in photonic crystals and zero-refractive-index materials
journal, May 2011
  • Huang, Xueqin; Lai, Yun; Hang, Zhi Hong
  • Nature Materials, Vol. 10, Issue 8, p. 582-586
  • DOI: 10.1038/nmat3030

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