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Long-period fiber gratings in active fibers

Long-period fiber gratings in active fibers
Long-period fiber gratings in active fibers
Traditionally, long period fiber gratings (LPG) are made in passive optical fibers that have negligible loss. However, loss or gain that can be controlled via optical pumping adds a new degree of freedom and - as will be shown in this chapter - brings many new and interesting properties.

From the historical perspective, the first attempt to combine the fiber gain and LPG filtering characteristics was for gain flattening of an Erbium-doped fiber (EDF) amplifier by inscribing LPG directly into the active fiber [1]. At the same time, theoretical studies [2,3] showed that a proper level of loss/gain in the fiber core or cladding can modify the LPG transmission characteristics. Significant theoretical and experimental body of work has been published since with new emerging applications appearing.

In this chapter, we investigate the new phenomena brought by the presence of the loss/gain [2,3]. Following this, we look on practical possibilities how to obtain required gain in active optical fibers and show how to analyze such structures, in which (incoherent) noise from an amplifying fiber is simultaneously generated and diffracted at the LPG [4]. Finally, we discuss possible application of the LPG in active fibers.
978-953-51-1131-3
87-104
INTECH
Krčmařík, D.
bec360df-9049-449a-9c6a-11f604e4fe24
Kulishov, M.
974099d6-69d5-4cd9-ae94-97a9f9597659
Slavík, R.
2591726a-ecc0-4d1a-8e1d-4d0fd8da8f7d
Cuadrado-Laborde, C.
Krčmařík, D.
bec360df-9049-449a-9c6a-11f604e4fe24
Kulishov, M.
974099d6-69d5-4cd9-ae94-97a9f9597659
Slavík, R.
2591726a-ecc0-4d1a-8e1d-4d0fd8da8f7d
Cuadrado-Laborde, C.

Krčmařík, D., Kulishov, M. and Slavík, R. (2013) Long-period fiber gratings in active fibers. Cuadrado-Laborde, C. (ed.) In Current Trends in Short- and Long-period Fiber Gratings. INTECH. pp. 87-104 . (doi:10.5772/53008).

Record type: Conference or Workshop Item (Paper)

Abstract

Traditionally, long period fiber gratings (LPG) are made in passive optical fibers that have negligible loss. However, loss or gain that can be controlled via optical pumping adds a new degree of freedom and - as will be shown in this chapter - brings many new and interesting properties.

From the historical perspective, the first attempt to combine the fiber gain and LPG filtering characteristics was for gain flattening of an Erbium-doped fiber (EDF) amplifier by inscribing LPG directly into the active fiber [1]. At the same time, theoretical studies [2,3] showed that a proper level of loss/gain in the fiber core or cladding can modify the LPG transmission characteristics. Significant theoretical and experimental body of work has been published since with new emerging applications appearing.

In this chapter, we investigate the new phenomena brought by the presence of the loss/gain [2,3]. Following this, we look on practical possibilities how to obtain required gain in active optical fibers and show how to analyze such structures, in which (incoherent) noise from an amplifying fiber is simultaneously generated and diffracted at the LPG [4]. Finally, we discuss possible application of the LPG in active fibers.

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More information

Published date: 15 May 2013
Venue - Dates: conference; 2013-05-15, 2013-05-15
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 362262
URI: https://eprints.soton.ac.uk/id/eprint/362262
ISBN: 978-953-51-1131-3
PURE UUID: 0cd76515-ffbf-4738-9796-9a57c8164450
ORCID for R. Slavík: ORCID iD orcid.org/0000-0002-9336-4262

Catalogue record

Date deposited: 20 Feb 2014 17:22
Last modified: 09 Jul 2019 00:33

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Contributors

Author: D. Krčmařík
Author: M. Kulishov
Author: R. Slavík ORCID iD
Editor: C. Cuadrado-Laborde

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