Ultra-flat wideband single-pump Raman-enhanced parametric amplification

V. Gordienko; M.F.C. Stephens; A.E. El-Taher; N.J. Doran

doi:10.1364/OE.25.004810

Ultra-flat wideband single-pump Raman-enhanced parametric amplification

V. Gordienko^*, M.F.C. Stephens, A.E. El-Taher, N.J. Doran

^*Corresponding author for this work

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

Abstract

We experimentally optimize a single pump fiber optical parametric amplifier in terms of gain spectral bandwidth and gain variation (GV). We find that optimal performance is achieved with the pump tuned to the zero-dispersion wavelength of dispersion stable highly nonlinear fiber (HNLF). We demonstrate further improvement of parametric gain bandwidth and GV by decreasing the HNLF length. We discover that Raman and parametric gain spectra produced by the same pump may be merged together to enhance overall gain bandwidth, while keeping GV low. Consequently, we report an ultra-flat gain of 9.6±0.5 dB over a range of 111 nm (12.8 THz) on one side of the pump. Additionally, we demonstrate amplification of a 60 Gbit/s QPSK signal tuned over a portion of the available bandwidth with OSNR penalty less than 1 dB for Q2 below 14 dB.

Original language	English
Pages (from-to)	4810-4818
Number of pages	9
Journal	Optics Express
Volume	25
Issue number	5
Early online date	22 Feb 2017
DOIs	https://doi.org/10.1364/OE.25.004810
Publication status	Published - 6 Mar 2017

Bibliographical note

Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

Funding: EPSRC) (EP/M005283/1, EP/J017582/1).

The experimental and theoretical data contained within this paper are available for
download at: http://doi.org/10.17036/researchdata.aston.ac.uk.00000171.

Keywords

nonlinear optics and devices
parametric amplification

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10.1364/OE.25.004810Licence: CC BY 3.0

Ultra-flat wideband single-pump Raman-enhanced parametric amplification
Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.
Final published version, 3.09 MBLicence: CC BY 3.0

Cite this

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title = "Ultra-flat wideband single-pump Raman-enhanced parametric amplification",

abstract = "We experimentally optimize a single pump fiber optical parametric amplifier in terms of gain spectral bandwidth and gain variation (GV). We find that optimal performance is achieved with the pump tuned to the zero-dispersion wavelength of dispersion stable highly nonlinear fiber (HNLF). We demonstrate further improvement of parametric gain bandwidth and GV by decreasing the HNLF length. We discover that Raman and parametric gain spectra produced by the same pump may be merged together to enhance overall gain bandwidth, while keeping GV low. Consequently, we report an ultra-flat gain of 9.6±0.5 dB over a range of 111 nm (12.8 THz) on one side of the pump. Additionally, we demonstrate amplification of a 60 Gbit/s QPSK signal tuned over a portion of the available bandwidth with OSNR penalty less than 1 dB for Q2 below 14 dB.",

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author = "V. Gordienko and M.F.C. Stephens and A.E. El-Taher and N.J. Doran",

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AU - El-Taher, A.E.

AU - Doran, N.J.

N1 - Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funding: EPSRC) (EP/M005283/1, EP/J017582/1). The experimental and theoretical data contained within this paper are available for download at: http://doi.org/10.17036/researchdata.aston.ac.uk.00000171.

PY - 2017/3/6

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N2 - We experimentally optimize a single pump fiber optical parametric amplifier in terms of gain spectral bandwidth and gain variation (GV). We find that optimal performance is achieved with the pump tuned to the zero-dispersion wavelength of dispersion stable highly nonlinear fiber (HNLF). We demonstrate further improvement of parametric gain bandwidth and GV by decreasing the HNLF length. We discover that Raman and parametric gain spectra produced by the same pump may be merged together to enhance overall gain bandwidth, while keeping GV low. Consequently, we report an ultra-flat gain of 9.6±0.5 dB over a range of 111 nm (12.8 THz) on one side of the pump. Additionally, we demonstrate amplification of a 60 Gbit/s QPSK signal tuned over a portion of the available bandwidth with OSNR penalty less than 1 dB for Q2 below 14 dB.

AB - We experimentally optimize a single pump fiber optical parametric amplifier in terms of gain spectral bandwidth and gain variation (GV). We find that optimal performance is achieved with the pump tuned to the zero-dispersion wavelength of dispersion stable highly nonlinear fiber (HNLF). We demonstrate further improvement of parametric gain bandwidth and GV by decreasing the HNLF length. We discover that Raman and parametric gain spectra produced by the same pump may be merged together to enhance overall gain bandwidth, while keeping GV low. Consequently, we report an ultra-flat gain of 9.6±0.5 dB over a range of 111 nm (12.8 THz) on one side of the pump. Additionally, we demonstrate amplification of a 60 Gbit/s QPSK signal tuned over a portion of the available bandwidth with OSNR penalty less than 1 dB for Q2 below 14 dB.

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Ultra-flat wideband single-pump Raman-enhanced parametric amplification

Abstract

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Keywords

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