Referenced Items are not available for this document.
This letter proposes the use of a refractive index profile with a graded core and a cladding trench for the design of few-mode fibers, aiming an arbitrary differential mode delay (DMD) flattened over the C+L band. By optimizing the core grading exponent and the dimensioning of the trench, a deviation lower than 0.01 ps/km from a target DMD is observed over the investigated wavelength range. Additionally, it is found that the dimensioning of the trench is almost independent of the target DMD, thereby enabling the use of a simple design rule that guarantees a maximum DMD deviation of 1.8 ps/km for a DMD target between -200 and 200 ps/km.
Published in:
Photonics Technology Letters, IEEE
(Volume:25
,
Issue:
5
)
Date of Publication: March1, 2013
- Page(s):
- 438 - 441
- ISSN :
- 1041-1135
- INSPEC Accession Number:
- 13288047
- Digital Object Identifier :
- 10.1109/LPT.2013.2241047
- Date of Publication :
- 23 January 2013
- Date of Current Version :
- 04 February 2013
- Issue Date :
- March1, 2013
- Sponsored by :
- IEEE Photonics Society
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