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

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Theoretical investigation of a notch filter using a long-period grating based on the sampling theorem

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Title
Theoretical investigation of a notch filter using a long-period grating based on the sampling theorem
Author
Kwon, Min-SukShin, Sang-Yung
Keywords
Long-period grating; Notch filter; Sampling methods; Thermo-optic effects
Issue Date
2006-07
Publisher
ELSEVIER SCIENCE BV
Citation
OPTICS COMMUNICATIONS, v.263, no.2, pp.214 - 218
Abstract
A notch filter using a different grating scheme is investigated theoretically. The grating is the thermo-optic index change induced by individually controllable heaters that are periodically arranged on the filter surface. If the index change pattern induced by the heaters is in the form of sampling a periodic index change, the transmission spectrum of the filter has the same resonance band as that generated by the periodic index change. Simulation results show that the attenuation, bandwidth, and center wavelength of a resonance band are independently adjustable. In addition, it is shown that the transmission spectrum may be tailored to arbitrary predictable shapes. Finally, the realization of the filter is discussed.
URI
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DOI
10.1016/j.optcom.2006.02.002
ISSN
0030-4018
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EE_Journal Papers
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