Semicrystalline woodpile photonic crystals without complicated alignment via soft lithography
We report the fabrication and characterization of woodpile photonic crystals with up to 12 layers through titania nanoparticle infiltration of a polymer template made by soft lithography. Because the complicated alignment in the conventional layer-by-layer fabrication associated with diamondlike symmetry is replaced by a simple 90{sup o} alignment, the fabricated photonic crystal has semicrystalline phase. However, the crystal performs similarly to a perfectly aligned crystal for the light propagation integrated from the surface normal to 30{sup o} at the main photonic band gap.
- Research Organization:
- Ames Lab., Ames, IA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC02-07CH11358
- OSTI ID:
- 986310
- Report Number(s):
- IS-J7558; TRN: US201017%%194
- Journal Information:
- Applied Physics Letters, Vol. 96, Issue 18
- Country of Publication:
- United States
- Language:
- English
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