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Direct characterization of the spatial effective refractive index profile in Bragg gratings

Direct characterization of the spatial effective refractive index profile in Bragg gratings
Direct characterization of the spatial effective refractive index profile in Bragg gratings
We propose a pulse response method to directly characterize the phase of the spatial index modulation, including the dc refractive index distribution (distributed phase shift), discrete phase, and chirp of fiber Bragg gratings (FBGs).
This method is based on the observation that the spatial phase of gratings is directly related to the temporal phase of its pulse response. Therefore, the phase of the spatial index modulation can be characterized directly by measuring the temporal phase of the pulse response of FBGs. This method is then used to characterize an FBG with a current-induced phase shift.
1041-1135
2685-2687
Zhang, Zhaowei
4af9ad95-db4b-434a-83cd-5f2afe90b016
Tian, C.
fb3a4278-2b7c-4e29-8e2a-0a4f2e253883
Roelens, M.A.F.
6cbc7320-55ce-471c-bd8e-fb20be79c935
Mokhtar, M.R.
03c8b10a-a771-4cc0-8d51-147c78713c76
Petropoulos, P.
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Ibsen, M.
22e58138-5ce9-4bed-87e1-735c91f8f3b9
Zhang, Zhaowei
4af9ad95-db4b-434a-83cd-5f2afe90b016
Tian, C.
fb3a4278-2b7c-4e29-8e2a-0a4f2e253883
Roelens, M.A.F.
6cbc7320-55ce-471c-bd8e-fb20be79c935
Mokhtar, M.R.
03c8b10a-a771-4cc0-8d51-147c78713c76
Petropoulos, P.
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Ibsen, M.
22e58138-5ce9-4bed-87e1-735c91f8f3b9

Zhang, Zhaowei, Tian, C., Roelens, M.A.F., Mokhtar, M.R., Petropoulos, P., Richardson, D.J. and Ibsen, M. (2005) Direct characterization of the spatial effective refractive index profile in Bragg gratings. IEEE Photonics Technology Letters, 17 (12), 2685-2687. (doi:10.1109/LPT.2005.859527).

Record type: Article

Abstract

We propose a pulse response method to directly characterize the phase of the spatial index modulation, including the dc refractive index distribution (distributed phase shift), discrete phase, and chirp of fiber Bragg gratings (FBGs).
This method is based on the observation that the spatial phase of gratings is directly related to the temporal phase of its pulse response. Therefore, the phase of the spatial index modulation can be characterized directly by measuring the temporal phase of the pulse response of FBGs. This method is then used to characterize an FBG with a current-induced phase shift.

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Published date: 2005
Additional Information: Publication No: 3349

Identifiers

Local EPrints ID: 30185
URI: https://eprints.soton.ac.uk/id/eprint/30185
ISSN: 1041-1135
PURE UUID: ffd73b86-5e45-4fec-b629-14e31d9e690c
ORCID for P. Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 11 May 2006
Last modified: 20 Jul 2019 01:24

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