3D Holographic Photonic Crystals Containing Embedded Functional Features

Runyu Zhang, Hailong Ning, Neil A. Krueger, Daniel Bacon-Brown, Paul V Braun

Research output: Contribution to journalArticle

Abstract

Lack of good ways to incorporate functional features and materials into 3D architectures has impeded progress in 3D photonic crystals (PhCs). Utilizing a modified transfer printing strategy, this study demonstrates the introduction of functional external materials of a diversity of form-factors into the interior of holographically defined 3D PhCs. PhCs containing solid SU-8 features, layers of porous silicon (PSi) or emissive LaF3:Nd3+ nanocrystals, and silica colloids are formed. For the LaF3:Nd3+ layer, both enhancement (≈50%) and suppression (≈25%) of the spontaneous emission (λ ≈ 1.32 μm) could be realized by modifying the position of the photonic crystal stop band relative to the rare earth emission. Finite-difference time-domain simulations suggest the observed spontaneous emission modification is a result of Bragg mirror-like reflection, while the measured enhancement is likely caused by the spontaneous emission coupling to a defect mode. Via electrodeposition, this study demonstrates structural inversion of a low refractive index photonic crystal (photoresist-based) to a high (Cu2O) refractive index contrast photonic crystal in the presence of an embedded defect, providing an opportunity to enhance the light-matter interactions using a materials system with transparency in the visible.

Original languageEnglish (US)
Pages (from-to)1533-1540
Number of pages8
JournalAdvanced Optical Materials
Volume4
Issue number10
DOIs
StatePublished - Oct 1 2016

Fingerprint

Photonic crystals
photonics
Spontaneous emission
spontaneous emission
crystals
Refractive index
refractivity
Defects
Functional materials
augmentation
Porous silicon
defects
Colloids
Bragg reflectors
Photoresists
porous silicon
photoresists
Electrodeposition
electrodeposition
printing

Keywords

  • emission modification
  • functional defects
  • holographic photonic crystals
  • material conversion
  • transfer printing

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

Cite this

3D Holographic Photonic Crystals Containing Embedded Functional Features. / Zhang, Runyu; Ning, Hailong; Krueger, Neil A.; Bacon-Brown, Daniel; Braun, Paul V.

In: Advanced Optical Materials, Vol. 4, No. 10, 01.10.2016, p. 1533-1540.

Research output: Contribution to journalArticle

Zhang, Runyu ; Ning, Hailong ; Krueger, Neil A. ; Bacon-Brown, Daniel ; Braun, Paul V. / 3D Holographic Photonic Crystals Containing Embedded Functional Features. In: Advanced Optical Materials. 2016 ; Vol. 4, No. 10. pp. 1533-1540.
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