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Modulation efficiency of LiNbO3 waveguide electro-optic intensity modulator operating at high microwave frequency

Modulation efficiency of LiNbO3 waveguide electro-optic intensity modulator operating at high microwave frequency
Modulation efficiency of LiNbO3 waveguide electro-optic intensity modulator operating at high microwave frequency
The modulation efficiency, at high-frequency microwave modulation, of a LiNbO3 waveguide electro-optic modulator is shown to be degraded severely, especially when it is used as a frequency translator in a Brillouin-distributed fiber-sensing system. We derive an analytical expression for this attenuation regarding the phase-velocity mismatch and the impedance mismatch during the modulation process. Theoretical results are confirmed by experimental results based on a 15 Gb/s LiNbO3 optical intensity modulator.
0146-9592
1822-1824
Liao, Y.
70d32587-c90d-4e83-b007-927040cb3f97
Zhou, H.
8341ffe7-8014-4a11-8d2a-c353b127b898
Meng, Z.
0c09377f-3d21-4f68-b236-db7efc2f54dc
Liao, Y.
70d32587-c90d-4e83-b007-927040cb3f97
Zhou, H.
8341ffe7-8014-4a11-8d2a-c353b127b898
Meng, Z.
0c09377f-3d21-4f68-b236-db7efc2f54dc

Liao, Y., Zhou, H. and Meng, Z. (2009) Modulation efficiency of LiNbO3 waveguide electro-optic intensity modulator operating at high microwave frequency. Optics Letters, 34 (12), 1822-1824. (doi:10.1364/OL.34.001822).

Record type: Article

Abstract

The modulation efficiency, at high-frequency microwave modulation, of a LiNbO3 waveguide electro-optic modulator is shown to be degraded severely, especially when it is used as a frequency translator in a Brillouin-distributed fiber-sensing system. We derive an analytical expression for this attenuation regarding the phase-velocity mismatch and the impedance mismatch during the modulation process. Theoretical results are confirmed by experimental results based on a 15 Gb/s LiNbO3 optical intensity modulator.

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Published date: 2009

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Local EPrints ID: 163633
URI: http://eprints.soton.ac.uk/id/eprint/163633
ISSN: 0146-9592
PURE UUID: 73ba200a-f3d2-4a40-b4ab-ea33868c5c5a

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Date deposited: 10 Sep 2010 11:41
Last modified: 16 Dec 2019 20:51

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Contributors

Author: Y. Liao
Author: H. Zhou
Author: Z. Meng

University divisions

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