Demonstration of 100 GHz electrically tunable liquid-crystal Bragg gratings for application in dynamic optical networks
Demonstration of 100 GHz electrically tunable liquid-crystal Bragg gratings for application in dynamic optical networks
We demonstrate liquid crystal-based integrated optical devices with >140GHz electrical tuning for potential applications in dynamic optical networks. Bragg wavelength tuning covering five 25GHz WDM channel spacings has been achieved with 170V (peak-to-peak) sinusoidal voltages applied across electro-patterned ITO-covered glass electrodes placed 60µm apart. This tunability range was limited only by the initial grating strength and supply voltage level. We also observed two distinct threshold behaviors that manifest during increase of supply voltage, resulting in a hysteresis in the tuning curve for both TE and TM input light.
1542-1544
Adikan, F.R.Mahamd
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Gates, J.C.
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Dyadyusha, A.
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Major, H.E.
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Gawith, C.B.E.
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Sparrow, I.J.G.
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Emmerson, G.D.
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Kaczmarek, M.
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Smith, P.G.R.
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1 June 2007
Adikan, F.R.Mahamd
c553a74d-67f4-4566-b227-0890bdcb19c3
Gates, J.C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Dyadyusha, A.
2d1d75d4-60f0-4437-8771-0d0b9a3c7931
Major, H.E.
38a1e085-bd05-4b24-a9c1-bf3b4b4afd9b
Gawith, C.B.E.
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Sparrow, I.J.G.
3b11b080-98d5-41fe-8e15-bc12d17dc259
Emmerson, G.D.
89517051-daed-4f8e-aca6-f686d8c54e7c
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Adikan, F.R.Mahamd, Gates, J.C., Dyadyusha, A., Major, H.E., Gawith, C.B.E., Sparrow, I.J.G., Emmerson, G.D., Kaczmarek, M. and Smith, P.G.R.
(2007)
Demonstration of 100 GHz electrically tunable liquid-crystal Bragg gratings for application in dynamic optical networks.
Optics Letters, 32 (11), .
(doi:10.1364/OL.32.001542).
Abstract
We demonstrate liquid crystal-based integrated optical devices with >140GHz electrical tuning for potential applications in dynamic optical networks. Bragg wavelength tuning covering five 25GHz WDM channel spacings has been achieved with 170V (peak-to-peak) sinusoidal voltages applied across electro-patterned ITO-covered glass electrodes placed 60µm apart. This tunability range was limited only by the initial grating strength and supply voltage level. We also observed two distinct threshold behaviors that manifest during increase of supply voltage, resulting in a hysteresis in the tuning curve for both TE and TM input light.
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Published date: 1 June 2007
Identifiers
Local EPrints ID: 65759
URI: http://eprints.soton.ac.uk/id/eprint/65759
ISSN: 0146-9592
PURE UUID: 9798c410-ec9d-43ff-96c4-7354b3caa1ca
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Date deposited: 23 Mar 2009
Last modified: 09 Nov 2021 03:02
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Contributors
Author:
F.R.Mahamd Adikan
Author:
A. Dyadyusha
Author:
H.E. Major
Author:
I.J.G. Sparrow
Author:
G.D. Emmerson
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