Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 23, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3149705
Keywords
crystal structure; holographic interferometry; optical fabrication; photolithography; photonic band gap; photonic crystals
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Funding
- U. S. National Science Foundation [DMI0556086, CMMI-0609345, DMR-0722754]
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This paper demonstrates a phase tunable holographic fabrication of three-dimensional photonic lattice structures using a single optical element. A top-cut four-side prism is employed to generate five-beam three-dimensional interference patterns. A silica glass slide is inserted into the optical path to adjust the phase of one interfering beam relative to other four beams. The phase control of the interfering laser beam renders the lattice of the interference pattern from a face-center tetragonal symmetry into a high contrast, interconnecting diamondlike symmetry. This method provides a flexible approach to fabricating three-dimensional photonic lattices with improved photonic band structures.
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