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Kwon, Min-Suk
Ubiquitous Photonics Laboratory (UP Lab)
Research Interests
  • Photonics, plasmonics, waveguides, planar lightwave circuits

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Fabrication of an integrated optical filter using a large-core multimode waveguide vertically coupled to a single-mode waveguide

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Title
Fabrication of an integrated optical filter using a large-core multimode waveguide vertically coupled to a single-mode waveguide
Author
Kwon, Min-SukKim, KHOh, YHShin, SY
Keywords
Gain flatening filters (GFF); Mold fabrication; Optical fabrications; Phase matching
Issue Date
2003-09
Publisher
OPTICAL SOC AMER
Citation
OPTICS EXPRESS, v.11, no.18, pp.2211 - 2216
Abstract
We demonstrate the feasibility of the process for fabricating a single-mode waveguide and a large-core multimode waveguide aligned vertically on the same substrate. Using this process, we propose and demonstrate a filter that drops optical signal propagating in a single-mode waveguide to a multimode waveguide in the specific wavelength interval by a long-period grating. We use perfluorocyclobutane and benzocyclobutane for the cladding and core of the single-mode waveguide, respectively. The large core of the multimode waveguide is made of Norland Optical Adhesive 61. For the grating period of 315.9 μm, the fabricated filter has the center wavelength of 1537.7 nm, at which the maximum attenuation is 17.8 dB.
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DOI
10.1364/OE.11.002211
ISSN
1094-4087
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EE_Journal Papers
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