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Dispersion-induced bandwidth limitation of variable true time delay lines based on linearly chirped fibre gratings

Dispersion-induced bandwidth limitation of variable true time delay lines based on linearly chirped fibre gratings
Dispersion-induced bandwidth limitation of variable true time delay lines based on linearly chirped fibre gratings
The electrical bandwidth limitation of continuous variable time delay units based on chirped fibre gratings is studied. The radiofrequency response of a linearly chirped fibre grating with an optical bandwidth of 4 nm and a dispersion of nearly 850 ps/nm has shown a -3 dB bandwidth of 6.4 GHz. To overcome this limitation, the use of a single-sideband plus carrier generator employing a dual-drive electro-optical modulator is experimentally demonstrated.
0013-5194
209-211
Corral, J.L.
72680930-a4f0-460f-bb49-6efb957cc10b
Martí, J.
6e71e500-a056-4d59-b08f-ba1c7873adae
Fuster, J.M.
52798657-9123-4857-ad58-f8424969dabe
Laming, R.I.
c86f359b-9145-4148-bc7d-ae4f3d272ca2
Corral, J.L.
72680930-a4f0-460f-bb49-6efb957cc10b
Martí, J.
6e71e500-a056-4d59-b08f-ba1c7873adae
Fuster, J.M.
52798657-9123-4857-ad58-f8424969dabe
Laming, R.I.
c86f359b-9145-4148-bc7d-ae4f3d272ca2

Corral, J.L., Martí, J., Fuster, J.M. and Laming, R.I. (1998) Dispersion-induced bandwidth limitation of variable true time delay lines based on linearly chirped fibre gratings. Electronics Letters, 34 (2), 209-211. (doi:10.1049/el:19980164).

Record type: Article

Abstract

The electrical bandwidth limitation of continuous variable time delay units based on chirped fibre gratings is studied. The radiofrequency response of a linearly chirped fibre grating with an optical bandwidth of 4 nm and a dispersion of nearly 850 ps/nm has shown a -3 dB bandwidth of 6.4 GHz. To overcome this limitation, the use of a single-sideband plus carrier generator employing a dual-drive electro-optical modulator is experimentally demonstrated.

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Published date: January 1998
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Identifiers

Local EPrints ID: 77934
URI: http://eprints.soton.ac.uk/id/eprint/77934
DOI: doi:10.1049/el:19980164
ISSN: 0013-5194
PURE UUID: 7dd470cc-2795-4226-8dbd-3900cd714ab5

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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 00:02

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Contributors

Author: J.L. Corral
Author: J. Martí
Author: J.M. Fuster
Author: R.I. Laming

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