Referenced Items are not available for this document.
Upconversion pumping in the 14xx-nm range gives the thulium-doped fiber amplifier (TDFA) a 3-dB dynamic range of 15 dB, and transient power excursion much lower than the conventional erbium-doped fiber amplifier during dynamic wavelength add-drop, due to the energy transitions inherent to the Tm3+ ion. For specific pumping scheme and operating conditions, gain increases with increasing signal input, a behavior significantly different from conventionally optical amplifiers. This phenomenon is studied experimentally and theoretically, and promises to provide insight for gain control algorithms for TDFAs under bursty traffic conditions in a metropolitan area network environment.
Published in:
Photonics Technology Letters, IEEE
(Volume:16
,
Issue:
7
)
Date of Publication: July 2004
- Page(s):
- 1646 - 1648
- ISSN :
- 1041-1135
- INSPEC Accession Number:
- 8053301
- Digital Object Identifier :
- 10.1109/LPT.2004.829532
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 28 June 2004
- Issue Date :
- July 2004
- Sponsored by :
- IEEE Photonics Society
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