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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 25, Iss. 1 — Jan. 1, 2007
  • pp: 432–439

Modeling and Analysis of a Multilayer Dielectric Slab Waveguide With Applications in Edge-Coupled Terahertz Photomixer Sources

Daryoosh Saeedkia and Safieddin Safavi-Naeini

Journal of Lightwave Technology, Vol. 25, Issue 1, pp. 432-439 (2007)


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Abstract

The waveguiding properties of a multilayer dielectric slab waveguide structure with applications in edge-coupled terahertz photomixer sources are studied. The structure guides two interfering laser beams, which their central frequency difference falls into the terahertz spectrum. The top layer of the dielectric waveguide structure is made of an ultrafast photoabsorbing material, wherein the power of the guided modes are being absorbed and converted into a terahertz signal. The optical field and power distributions inside the waveguide structure are studied for different physical parameters of the dielectric layers. The absorbed optical intensity and the generated terahertz photocurrent and terahertz power inside the photoabsorbing layer are calculated.

© 2007 IEEE

Citation
Daryoosh Saeedkia and Safieddin Safavi-Naeini, "Modeling and Analysis of a Multilayer Dielectric Slab Waveguide With Applications in Edge-Coupled Terahertz Photomixer Sources," J. Lightwave Technol. 25, 432-439 (2007)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-25-1-432

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