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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 5 — Mar. 1, 2010
  • pp: 4709–4716

A design method of a fiber-based mode multi/demultiplexer for mode-division multiplexing

Fumiya Saitoh, Kunimasa Saitoh, and Masanori Koshiba  »View Author Affiliations


Optics Express, Vol. 18, Issue 5, pp. 4709-4716 (2010)
http://dx.doi.org/10.1364/OE.18.004709


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Abstract

In the mode-division multiplexing (MDM) optical transmission system, a mode multi/demultiplexer is an important key device for excitation, multiplication, and separation of light signals which have distinct modes. In this report, we propose a fiber-type mode multi/demultiplexer based on selective phase matching between different cores/modes. Design method and device characteristics of 1×4 mode multi/demultiplexer are investigated through finite element analysis. In order to expand operating wavelength range, we reveal the structural parameters that satisfy phase matching conditions over wide wavelength range. Our numerical results demonstrate that the mode multi/demultiplexer with broadband, polarization-insensitive operation can be realized by applying the proposed fiber structure.

© 2010 OSA

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.2270) Fiber optics and optical communications : Fiber characterization
(060.2280) Fiber optics and optical communications : Fiber design and fabrication

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 7, 2010
Manuscript Accepted: February 1, 2010
Published: February 22, 2010

Citation
Fumiya Saitoh, Kunimasa Saitoh, and Masanori Koshiba, "A design method of a fiber-based mode multi/demultiplexer for mode-division multiplexing," Opt. Express 18, 4709-4716 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-5-4709


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References

  1. M. Koshiba, K. Saitoh, and Y. Kokubun, “Heterogeneous multi-core fibers: Proposal and design principle,” IEICE Electron. Express 6(2), 98–103 (2009). [CrossRef]
  2. Y. Kokubun and M. Koshiba, “Novel multi-core fibers for mode division multiplexing: Proposal and design principle,” IEICE Electron. Express 6(8), 522–528 (2009). [CrossRef]
  3. T. Morioka, “New generation optical infrastructure technologies: “EXAT initiative” towards 2020 and beyond,” Opto Electronics and Communications Conference (2009), FT4.
  4. R. W. C. Vance and J. D. Love, “Asymmetric adiabatic multiprong for mode-multiplexed systems,” Electron. Lett. 29(24), 2134–2136 (1993). [CrossRef]
  5. Y. Kawaguchi and K. Tsutsumi, “Mode multiplexing and demultiplexing devices using multimode interference couplers,” Electron. Lett. 38(25), 1701–1702 (2002). [CrossRef]
  6. E. Narevicius, “Method and apparatus for optical mode division multiplexing and demultiplexing,” U.S. Patent Appl. 20050254750, Nov. 2005.
  7. M. Greenberg and M. Orenstein, “Simultaneous dual mode add/drop multiplexers for optical interconnects buses,” Opt. Commun. 266(2), 527–531 (2006). [CrossRef]
  8. K. Saitoh and M. Koshiba, “Full-vectorial imaginary-distance beam propagation method based on a finite element scheme: Application to photonic crystal fibers,” IEEE J. Quantum Electron. 38(7), 927–933 (2002). [CrossRef]
  9. K. Saitoh and M. Koshiba, “Full-vectorial finite element beam propagation method with perfectly matched layers for anisotropic optical waveguides,” J. Lightwave Technol. 19(3), 405–413 (2001). [CrossRef]

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