Self-assembled three-dimensional inverted photonic crystals on a photonic chip

Sanna Arpiainen, Kevin Vynck, James Dekker, Markku Kapulainen, Worawut Khunsin, Timo Aalto, Mikael Mulot, Gudrun Kocher-Oberlehrer, Rudolf Zentel, Clivia M.Sotomayor Torres, David Cassagne, Jouni Ahopelto

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Three dimensional photonic crystals (PhCs) exhibiting a full photonic band gap have high potential in optical signal processing and detector applications. However, the challenges in the integration of the 3D PhCs into photonic circuits have so far hindered their exploitation in real devices. This article demonstrates the fabrication of 3D PhCs exploiting the capillary directed self-assembly (CDSA) of monodisperse colloidal silica spheres, their inversion to silicon shells, and integration with silicon waveguides. The measured transmission characteristics agree with numerical predictions and provide strong indication of a full photonic band gap in the inverted 3D photonic crystals at wavelengths close to 1.55µm. Silicon inverted photonic crystal self-assembled into a cavity in a waveguide intersection and the corresponding photonic band structure of the crystal, together with the simulated transmission, reflection, and absorption spectra.
Original languageEnglish
Article number1700039
JournalPhysica Status Solidi A: Applications and Materials Science
Volume214
Issue number9
Early online date2017
DOIs
Publication statusPublished - 1 Sep 2017
MoE publication typeA1 Journal article-refereed

Fingerprint

Photonic crystals
Photonics
chips
photonics
Silicon
Photonic band gap
crystals
Waveguides
Optical signal processing
Silicon Dioxide
Band structure
Self assembly
silicon
Absorption spectra
waveguides
Silica
signal detectors
Detectors
Fabrication
Wavelength

Keywords

  • integration
  • inverted opals
  • photonic band gap
  • photonic crystals
  • waveguides

Cite this

Arpiainen, Sanna ; Vynck, Kevin ; Dekker, James ; Kapulainen, Markku ; Khunsin, Worawut ; Aalto, Timo ; Mulot, Mikael ; Kocher-Oberlehrer, Gudrun ; Zentel, Rudolf ; Torres, Clivia M.Sotomayor ; Cassagne, David ; Ahopelto, Jouni. / Self-assembled three-dimensional inverted photonic crystals on a photonic chip. In: Physica Status Solidi A: Applications and Materials Science. 2017 ; Vol. 214, No. 9.
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Self-assembled three-dimensional inverted photonic crystals on a photonic chip. / Arpiainen, Sanna; Vynck, Kevin; Dekker, James; Kapulainen, Markku; Khunsin, Worawut; Aalto, Timo; Mulot, Mikael; Kocher-Oberlehrer, Gudrun; Zentel, Rudolf; Torres, Clivia M.Sotomayor; Cassagne, David; Ahopelto, Jouni.

In: Physica Status Solidi A: Applications and Materials Science, Vol. 214, No. 9, 1700039, 01.09.2017.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Aalto, Timo

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AU - Cassagne, David

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