Whispering Gallery Modes Formation in Small Nanocavities Based upon Crossed Nanobeam Structures

Ahmadreza Daraei; Atefeh Mohsenifard; Mohammad Kafi Meibodi

doi:doi:10.11648/j.ajop.20140203.12

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Whispering Gallery Modes Formation in Small Nanocavities Based upon Crossed Nanobeam Structures

Ahmadreza Daraei, Atefeh Mohsenifard, Mohammad Kafi Meibodi

Published in American Journal of Optics and Photonics (Volume 2, Issue 3)

Received: 13 May 2014 Accepted: 29 May 2014 Published: 10 June 2014

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Abstract

In this paper, we investigate conditions to form whispering gallery modes (WGMs) in small nanocavities (NCs) which are designed at the intersection area of couple of nanobeams (NBs) structures. Tapered air-holes at each branch of NBs have been employed as a part of mirror accompanied by curved-walls at cross junctions to form a small curved nanocavity. Simulations by finite element based commercial software, COMSOL Multiphysics 4.3 show that confined photonic modes are well established via WGM mechanism. Variation of modes wavelength and their field intensity profiles have been investigated. Quality factor, Q, as high as 198400 is obtained for a particular WGM at mode wavelength 1471.9 nm with computed modal volume as low as Vmod≈0.25(λ/n)3.

Published in	American Journal of Optics and Photonics (Volume 2, Issue 3)
DOI	10.11648/j.ajop.20140203.12
Page(s)	28-31
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2014. Published by Science Publishing Group

Keywords

Crossed Nanobeam Cavities, Photonic Wire, Whispering Gallery Modes, Curved-Wall Cavity, Tapered Air-Holes

References

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APA Style

Ahmadreza Daraei, Atefeh Mohsenifard, Mohammad Kafi Meibodi. (2014). Whispering Gallery Modes Formation in Small Nanocavities Based upon Crossed Nanobeam Structures. American Journal of Optics and Photonics, 2(3), 28-31. https://doi.org/10.11648/j.ajop.20140203.12

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ACS Style

Ahmadreza Daraei; Atefeh Mohsenifard; Mohammad Kafi Meibodi. Whispering Gallery Modes Formation in Small Nanocavities Based upon Crossed Nanobeam Structures. Am. J. Opt. Photonics 2014, 2(3), 28-31. doi: 10.11648/j.ajop.20140203.12

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AMA Style

Ahmadreza Daraei, Atefeh Mohsenifard, Mohammad Kafi Meibodi. Whispering Gallery Modes Formation in Small Nanocavities Based upon Crossed Nanobeam Structures. Am J Opt Photonics. 2014;2(3):28-31. doi: 10.11648/j.ajop.20140203.12

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@article{10.11648/j.ajop.20140203.12,
  author = {Ahmadreza Daraei and Atefeh Mohsenifard and Mohammad Kafi Meibodi},
  title = {Whispering Gallery Modes Formation in Small Nanocavities Based upon Crossed Nanobeam Structures},
  journal = {American Journal of Optics and Photonics},
  volume = {2},
  number = {3},
  pages = {28-31},
  doi = {10.11648/j.ajop.20140203.12},
  url = {https://doi.org/10.11648/j.ajop.20140203.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajop.20140203.12},
  abstract = {In this paper, we investigate conditions to form whispering gallery modes (WGMs) in small nanocavities (NCs) which are designed at the intersection area of couple of nanobeams (NBs) structures. Tapered air-holes at each branch of NBs have been employed as a part of mirror accompanied by curved-walls at cross junctions to form a small curved nanocavity. Simulations by finite element based commercial software, COMSOL Multiphysics 4.3 show that confined photonic modes are well established via WGM mechanism. Variation of modes wavelength and their field intensity profiles have been investigated. Quality factor, Q, as high as 198400 is obtained for a particular WGM at mode wavelength 1471.9 nm with computed modal volume as low as Vmod≈0.25(λ/n)3.},
 year = {2014}
}

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TY  - JOUR
T1  - Whispering Gallery Modes Formation in Small Nanocavities Based upon Crossed Nanobeam Structures
AU  - Ahmadreza Daraei
AU  - Atefeh Mohsenifard
AU  - Mohammad Kafi Meibodi
Y1  - 2014/06/10
PY  - 2014
N1  - https://doi.org/10.11648/j.ajop.20140203.12
DO  - 10.11648/j.ajop.20140203.12
T2  - American Journal of Optics and Photonics
JF  - American Journal of Optics and Photonics
JO  - American Journal of Optics and Photonics
SP  - 28
EP  - 31
PB  - Science Publishing Group
SN  - 2330-8494
UR  - https://doi.org/10.11648/j.ajop.20140203.12
AB  - In this paper, we investigate conditions to form whispering gallery modes (WGMs) in small nanocavities (NCs) which are designed at the intersection area of couple of nanobeams (NBs) structures. Tapered air-holes at each branch of NBs have been employed as a part of mirror accompanied by curved-walls at cross junctions to form a small curved nanocavity. Simulations by finite element based commercial software, COMSOL Multiphysics 4.3 show that confined photonic modes are well established via WGM mechanism. Variation of modes wavelength and their field intensity profiles have been investigated. Quality factor, Q, as high as 198400 is obtained for a particular WGM at mode wavelength 1471.9 nm with computed modal volume as low as Vmod≈0.25(λ/n)3.
VL  - 2
IS  - 3
ER  -

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Author Information

Ahmadreza Daraei

Department of Physics, Faculty of Science, University of Sistan and Baluchestan, Zahedan, Iran
Atefeh Mohsenifard

Department of Physics, Faculty of Science, University of Sistan and Baluchestan, Zahedan, Iran
Mohammad Kafi Meibodi

Department of Physics, Faculty of Science, University of Sistan and Baluchestan, Zahedan, Iran

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APA Style

Ahmadreza Daraei, Atefeh Mohsenifard, Mohammad Kafi Meibodi. (2014). Whispering Gallery Modes Formation in Small Nanocavities Based upon Crossed Nanobeam Structures. American Journal of Optics and Photonics, 2(3), 28-31. https://doi.org/10.11648/j.ajop.20140203.12

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ACS Style

Ahmadreza Daraei; Atefeh Mohsenifard; Mohammad Kafi Meibodi. Whispering Gallery Modes Formation in Small Nanocavities Based upon Crossed Nanobeam Structures. Am. J. Opt. Photonics 2014, 2(3), 28-31. doi: 10.11648/j.ajop.20140203.12

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AMA Style

Ahmadreza Daraei, Atefeh Mohsenifard, Mohammad Kafi Meibodi. Whispering Gallery Modes Formation in Small Nanocavities Based upon Crossed Nanobeam Structures. Am J Opt Photonics. 2014;2(3):28-31. doi: 10.11648/j.ajop.20140203.12

Copy | Download

@article{10.11648/j.ajop.20140203.12,
  author = {Ahmadreza Daraei and Atefeh Mohsenifard and Mohammad Kafi Meibodi},
  title = {Whispering Gallery Modes Formation in Small Nanocavities Based upon Crossed Nanobeam Structures},
  journal = {American Journal of Optics and Photonics},
  volume = {2},
  number = {3},
  pages = {28-31},
  doi = {10.11648/j.ajop.20140203.12},
  url = {https://doi.org/10.11648/j.ajop.20140203.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajop.20140203.12},
  abstract = {In this paper, we investigate conditions to form whispering gallery modes (WGMs) in small nanocavities (NCs) which are designed at the intersection area of couple of nanobeams (NBs) structures. Tapered air-holes at each branch of NBs have been employed as a part of mirror accompanied by curved-walls at cross junctions to form a small curved nanocavity. Simulations by finite element based commercial software, COMSOL Multiphysics 4.3 show that confined photonic modes are well established via WGM mechanism. Variation of modes wavelength and their field intensity profiles have been investigated. Quality factor, Q, as high as 198400 is obtained for a particular WGM at mode wavelength 1471.9 nm with computed modal volume as low as Vmod≈0.25(λ/n)3.},
 year = {2014}
}

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TY  - JOUR
T1  - Whispering Gallery Modes Formation in Small Nanocavities Based upon Crossed Nanobeam Structures
AU  - Ahmadreza Daraei
AU  - Atefeh Mohsenifard
AU  - Mohammad Kafi Meibodi
Y1  - 2014/06/10
PY  - 2014
N1  - https://doi.org/10.11648/j.ajop.20140203.12
DO  - 10.11648/j.ajop.20140203.12
T2  - American Journal of Optics and Photonics
JF  - American Journal of Optics and Photonics
JO  - American Journal of Optics and Photonics
SP  - 28
EP  - 31
PB  - Science Publishing Group
SN  - 2330-8494
UR  - https://doi.org/10.11648/j.ajop.20140203.12
AB  - In this paper, we investigate conditions to form whispering gallery modes (WGMs) in small nanocavities (NCs) which are designed at the intersection area of couple of nanobeams (NBs) structures. Tapered air-holes at each branch of NBs have been employed as a part of mirror accompanied by curved-walls at cross junctions to form a small curved nanocavity. Simulations by finite element based commercial software, COMSOL Multiphysics 4.3 show that confined photonic modes are well established via WGM mechanism. Variation of modes wavelength and their field intensity profiles have been investigated. Quality factor, Q, as high as 198400 is obtained for a particular WGM at mode wavelength 1471.9 nm with computed modal volume as low as Vmod≈0.25(λ/n)3.
VL  - 2
IS  - 3
ER  -

Copy | Download