Three-dimensional photonic crystals by large-area membrane stacking
Author(s)
Lu, Ling; Cheong, Lin Lee; Smith, Henry Ignatius; Johnson, Steven G.; Joannopoulos, John D.; Soljacic, Marin; ... Show more Show less
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We designed and analyzed a “mesh-stack” three-dimensional photonic crystal of a 12.4% bandgap with a dielectric constant ratio of 12:1. The mesh-stack consists of four offset identical square-lattice air-hole patterned membranes in each vertical period that is equal to the in-plane period of the square lattice. This design is fully compatible with the membrane-stacking fabrication method, which is based on alignment and stacking of large-area single-crystal membranes containing engineered defects. A bandgap greater than 10% is preserved as long as the membranes are subjected to in-plane misalignment less than 3% of the square period. By introducing a linear defect with a nonsymmorphic symmetry into the mesh-stack, we achieved a single-mode waveguide over a wide bandwidth.
Date issued
2012-11Department
MIT Materials Research Laboratory; Massachusetts Institute of Technology. Institute for Soldier Nanotechnologies; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Department of Mathematics; Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Research Laboratory of ElectronicsJournal
Optics Letters
Publisher
Optical Society of America
Citation
Lu, Ling et al. “Three-dimensional photonic crystals by large-area membrane stacking.” Optics Letters 37.22 (2012): 4726-4728. © 2012 The Optical Society
Version: Final published version
ISSN
0146-9592
1539-4794