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Type: Journal article
Title: Raman effects in a highly nonlinear holey fiber: amplification and modulation
Author: Yusoff, Z.
Lee, J.
Belardi, W.
Monro, T.
Teh, P.
Richardson, D.
Citation: Optics Letters, 2002; 27(6):424-426
Publisher: Optical Soc Amer
Issue Date: 2002
ISSN: 0146-9592
Statement of
Z. Yusoff, J. H. Lee, W. Belardi, T. M. Monro, P. C. Teh, and D. J. Richardson
Abstract: We experimentally demonstrate that a short length of highly nonlinear holey fiber (HF) can be used for strong L(+) -band (1610-1640-nm) Raman amplification and ultrafast signal modulation. We use a pure silica HF with an effective area of just 2.85mum(2) at 1550 nm, which yields an effective nonlinearity ~15 times higher than in conventional silica dispersion-shifted fiber. Using a 75-m length of this fiber, we obtained internal Raman gains of more than 42 dB and a noise figure of ~6 dB under a forward single-pump scheme, and the Raman gain coefficient was experimentally estimated to be 7.6 chi 10(-14)m/W . Also, an 11-dB signal extinction ratio in a Raman-induced all-optical modulation experiment was achieved with the same fiber.
Description: This paper was published in Optical Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law
Rights: Copyright © 2002 Optical Society of America
RMID: 0020071243
DOI: 10.1364/OL.27.000424
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