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A comparative study of the performance of seven- and 63-chip optical code-division multiple-access encoders and decoders based on superstructured fiber Bragg gratings

A comparative study of the performance of seven- and 63-chip optical code-division multiple-access encoders and decoders based on superstructured fiber Bragg gratings
A comparative study of the performance of seven- and 63-chip optical code-division multiple-access encoders and decoders based on superstructured fiber Bragg gratings
We report a range of elementary optical coding and decoding experiments employing superstructured fiber Bragg grating (SSFBG) components: first, we perform a comparative study of the relative merits of bipolar and unipolar coding: decoding schemes and show that the SSFBG approach allows high-quality unipolar and bipolar coding. A performance close to that-theoretically predicted for seven-chip, 160-Gchip/s M-sequence codes is obtained. Second, we report the fabrication and performance of 63-chip, 160-Gchip/s, bipolar Gold sequence grating pairs. These codes are at least eight times longer than those generated by any other scheme based on fiber grating technology so far reported. Last, we describe a range of transmission system experiments for both the seven- and 63-bit bipolar grating pairs. Error-free performance is obtained over transmission distances of ~25 km of standard fiber. In addition, we have demonstrated error-free performance under multiuser operation (two simultaneous users). Our results highlight the precision and flexibility of our particular grating writing process and show that SSFBG technology represents a promising technology not just for optical code division multiple access (OCDMA) but also for an extended range of other pulse-shaping optical processing applications
all-optical process, code division multiple access (cdma), communication systems, fiber bragg gratings (fbgs), multiple-access communications, optical networks, optical signal processing
0733-8724
1352-1365
Teh, Peh Chiong
c8685453-07df-48dc-8007-6aad9c529515
Petropoulos, P.
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Ibsen, M.
22e58138-5ce9-4bed-87e1-735c91f8f3b9
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Teh, Peh Chiong
c8685453-07df-48dc-8007-6aad9c529515
Petropoulos, P.
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Ibsen, M.
22e58138-5ce9-4bed-87e1-735c91f8f3b9
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Teh, Peh Chiong, Petropoulos, P., Ibsen, M. and Richardson, D.J. (2001) A comparative study of the performance of seven- and 63-chip optical code-division multiple-access encoders and decoders based on superstructured fiber Bragg gratings. IEEE Journal of Lightwave Technology, 19 (9), 1352-1365. (doi:10.1109/50.948283).

Record type: Article

Abstract

We report a range of elementary optical coding and decoding experiments employing superstructured fiber Bragg grating (SSFBG) components: first, we perform a comparative study of the relative merits of bipolar and unipolar coding: decoding schemes and show that the SSFBG approach allows high-quality unipolar and bipolar coding. A performance close to that-theoretically predicted for seven-chip, 160-Gchip/s M-sequence codes is obtained. Second, we report the fabrication and performance of 63-chip, 160-Gchip/s, bipolar Gold sequence grating pairs. These codes are at least eight times longer than those generated by any other scheme based on fiber grating technology so far reported. Last, we describe a range of transmission system experiments for both the seven- and 63-bit bipolar grating pairs. Error-free performance is obtained over transmission distances of ~25 km of standard fiber. In addition, we have demonstrated error-free performance under multiuser operation (two simultaneous users). Our results highlight the precision and flexibility of our particular grating writing process and show that SSFBG technology represents a promising technology not just for optical code division multiple access (OCDMA) but also for an extended range of other pulse-shaping optical processing applications

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Published date: 2001
Keywords: all-optical process, code division multiple access (cdma), communication systems, fiber bragg gratings (fbgs), multiple-access communications, optical networks, optical signal processing
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 13680
URI: https://eprints.soton.ac.uk/id/eprint/13680
ISSN: 0733-8724
PURE UUID: 0fae8b1c-64b7-4fca-b98f-ef1411313626
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

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Date deposited: 06 Jan 2005
Last modified: 03 Dec 2019 02:05

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Contributors

Author: Peh Chiong Teh
Author: P. Petropoulos ORCID iD
Author: M. Ibsen
Author: D.J. Richardson ORCID iD

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