First-order loss-less differentiators using long period gratings made in Er-doped fibers
First-order loss-less differentiators using long period gratings made in Er-doped fibers
An active-fiber-based all-optical first-order temporal differentiator with power efficiency surpassing 100% is demonstrated experimentally. It is based on a long-period fiber grating (LPFG) inscribed into a piece of highly-doped Erbium-doped fiber (EDF). The performed theoretical analysis considers effects like relative position of the LPFG with respect to the input end of the EDF and influence of the input signal power. In the design, parameters like noise characteristics and level of non-linear interaction are taken into account. The advantages of such an implementation over the setup using concatenation of a passive LPFG with an amplifier lies in reducing the unwanted nonlinearities and reducing the amplified spontaneous emission (ASE).
461-471
Krčmařík, David
9b53b281-4de2-4143-b608-4aa479edef49
Slavík, Radan
2591726a-ecc0-4d1a-8e1d-4d0fd8da8f7d
Park, Yongwoo
22a5995a-96a1-4fa8-b4c9-330529448a6a
Kulishov, Mykola
8195a009-0031-4252-a375-0963b33849a1
Azaña, José
412da1ed-3b3e-4580-89fb-73d05a91f044
19 January 2009
Krčmařík, David
9b53b281-4de2-4143-b608-4aa479edef49
Slavík, Radan
2591726a-ecc0-4d1a-8e1d-4d0fd8da8f7d
Park, Yongwoo
22a5995a-96a1-4fa8-b4c9-330529448a6a
Kulishov, Mykola
8195a009-0031-4252-a375-0963b33849a1
Azaña, José
412da1ed-3b3e-4580-89fb-73d05a91f044
Krčmařík, David, Slavík, Radan, Park, Yongwoo, Kulishov, Mykola and Azaña, José
(2009)
First-order loss-less differentiators using long period gratings made in Er-doped fibers.
Optics Express, 17 (2), .
(doi:10.1364/OE.17.000461).
Abstract
An active-fiber-based all-optical first-order temporal differentiator with power efficiency surpassing 100% is demonstrated experimentally. It is based on a long-period fiber grating (LPFG) inscribed into a piece of highly-doped Erbium-doped fiber (EDF). The performed theoretical analysis considers effects like relative position of the LPFG with respect to the input end of the EDF and influence of the input signal power. In the design, parameters like noise characteristics and level of non-linear interaction are taken into account. The advantages of such an implementation over the setup using concatenation of a passive LPFG with an amplifier lies in reducing the unwanted nonlinearities and reducing the amplified spontaneous emission (ASE).
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Published date: 19 January 2009
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Local EPrints ID: 456665
URI: http://eprints.soton.ac.uk/id/eprint/456665
ISSN: 1094-4087
PURE UUID: ee49b27c-55b7-4924-9fa5-b89ecaa1429e
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Date deposited: 05 May 2022 17:01
Last modified: 17 Mar 2024 03:17
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Contributors
Author:
David Krčmařík
Author:
Yongwoo Park
Author:
Mykola Kulishov
Author:
José Azaña
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