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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 17 — Aug. 15, 2011
  • pp: 16252–16258

Coherent optical MIMO transmission over 20 km GI multi-mode fiber by using digital coherent receiver with mode convergence unit

Takayoshi Mori, Taiji Sakamoto, Takashi Yamamoto, and Shigeru Tomita  »View Author Affiliations


Optics Express, Vol. 19, Issue 17, pp. 16252-16258 (2011)
http://dx.doi.org/10.1364/OE.19.016252


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Abstract

We describe a coherent optical MIMO transmission experiment that employs a digital coherent receiver with a mode convergence unit, which converges higher-order mode light into the fundamental mode while maintaining the phase and amplitude information of the higher-order mode. The coherent optical MIMO transmission of two 10 Gbit/s BPSK signals over 20 km of graded-index multi-mode fiber was successfully achieved by using this mode convergence unit. We also show numerically that multi channel signals for a coherent optical MIMO transmission can be recovered by employing sufficient mode diversity, even if mode conversion occurs in the transmission fiber.

© 2011 OSA

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2330) Fiber optics and optical communications : Fiber optics communications

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: June 22, 2011
Revised Manuscript: August 5, 2011
Manuscript Accepted: August 5, 2011
Published: August 9, 2011

Citation
Takayoshi Mori, Taiji Sakamoto, Takashi Yamamoto, and Shigeru Tomita, "Coherent optical MIMO transmission over 20 km GI multi-mode fiber by using digital coherent receiver with mode convergence unit," Opt. Express 19, 16252-16258 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-17-16252


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