2026-09-20T20:21:31Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/95552022-01-13T07:54:33Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Leslie A. Kolodziejski and Lionel C. Kimerling.
Erchak, Alexei A. (Alexei Andrew), 1976-
Massachusetts Institute of Technology. Dept. of Materials Science and Engineering.
Massachusetts Institute of Technology. Department of Materials Science and Engineering
2005-08-22T19:15:42Z
2005-08-22T19:15:42Z
1999
1999
http://hdl.handle.net/1721.1/9555
43960949
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1999.
Includes bibliographical references (leaves 51-52).
Photonic Crystals are the optical analog of semiconductor crystals. A periodic variation in the dielectric constant may give rise to a photonic bandgap that forbids the propagation of certain frequency light in one, two, and three dimensions. A two dimensional photonic crystal may be used to directly modify the spontaneous emission of a light-emitting diode by eliminating the coupling of light to guided modes. In this work, the design and fabrication of a two-dimensional photonic crystal light-emitting diode with an emission wavelength of 980 nm is discussed. The 980 nm emission wavelength requires the fabrication of l 00 nm feature sizes in a GaAs-based materials system. The nanoscale feature sizes and various III-V materials employed present many fabrication challenges.
by Alexei A. Erchak.
M.Eng.
[ix], 52 leaves
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application/pdf
eng
Massachusetts Institute of Technology
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http://dspace.mit.edu/handle/1721.1/7582
Materials Science and Engineering.
Design and fabrication of a light emitting diode using a two-dimensional photonic crystal
Design and fabrication of a LED using a 2D photonic crystal
Thesis
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<Abstract>Photonic Crystals are the optical analog of semiconductor crystals. A periodic variation in the dielectric constant may give rise to a photonic bandgap that forbids the propagation of certain frequency light in one, two, and three dimensions. A two dimensional photonic crystal may be used to directly modify the spontaneous emission of a light-emitting diode by eliminating the coupling of light to guided modes. In this work, the design and fabrication of a two-dimensional photonic crystal light-emitting diode with an emission wavelength of 980 nm is discussed. The 980 nm emission wavelength requires the fabrication of l 00 nm feature sizes in a GaAs-based materials system. The nanoscale feature sizes and various III-V materials employed present many fabrication challenges.</Abstract>
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