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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 10 — May. 17, 2004
  • pp: 2280–2292

Polarisation and wavelength division multiplexing at 1.55μm for bandwidth enhancement of multimode fibre based access networks

Etienne Rochat, Stuart D. Walker, and Michael C. Parker  »View Author Affiliations


Optics Express, Vol. 12, Issue 10, pp. 2280-2292 (2004)
http://dx.doi.org/10.1364/OPEX.12.002280


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Abstract

We demonstrate how a combination of polarisation-division multiplexing (PDM) and wavelength-division multiplexing (WDM) applied to graded index 50μm multimode fibres (MMF) at 1.55μm can be used to greatly increase the available optical bandwidth. A proof of principle experiment demonstrated error-free data transmission over 3km of MMF, using two 100GHz-spaced wavelengths, each carrying two 2.5Gb/s orthogonal PDM multiplexed channels, resulting in a 10Gb/s data rate. Polarisation and wavelength demultiplexing were simultaneously achieved by use of a grating based monochromator. We also practically implemented this transmission scheme in an all-fibre experiment, replacing the monochromator by a more convenient polarisation-insensitive, 200GHz ITU grid spacing 62.5μm MMF pigtailed WDM demultiplexer. Using two polarisations each on four wavelengths (2P × 4λ), we repeatedly achieved error-free data transmission for both circularly and linearly polarisation-wavelength-division-multiplexed channels over a MMF span of 300m, featuring a 20Gb/s data rate. Overall, we have demonstrated a major increase in the MMF bandwidth-distance product up to 30GHz-km.

© 2004 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4230) Fiber optics and optical communications : Multiplexing
(260.5430) Physical optics : Polarization

ToC Category:
Research Papers

History
Original Manuscript: March 3, 2004
Revised Manuscript: May 7, 2004
Published: May 17, 2004

Citation
Etienne Rochat, Stuart Walker, and Michael Parker, "Polarisation and wavelength division multiplexing at 1.55 μm for bandwidth enhancement of multimode fibre based access networks," Opt. Express 12, 2280-2292 (2004)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-12-10-2280


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