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Proceedings Paper

A 1550-nm all-optical VCSEL-to-VCSEL wavelength conversion of a 8.5-Gb/s data signal and transmission over a 24.7-km fibre
Author(s): D. Kiboi Boiyo; G. M. Isoe; R. R. G. Gamatham; A. W. R. Leitch; T. B. Gibbon
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Paper Abstract

For the first time, we demonstrate, VCSEL-to-VCSEL wavelength conversion within the low attenuation 1550 nm window, including transmission over fibre and bit error rate (BER) performance characterization. We experimentally demonstrate a low injection power optical wavelength conversion by injecting an optical beam from a signal carrier master vertical cavity surface-emitting laser (VCSEL) into the side-mode of the slave VCSEL. This technique solves the challenge of wavelength collisions and also provides wavelength re-use in typical wavelength division multiplexed (WDM) systems. This paper, for the first time, uses two 1550 nm VCSELs with tunability range of 3 nm for a 5-9.8 mA bias current. The master VCSEL is modulated with a non-return-to-zero (NRZ) pseudo-random binary sequence (PRBS_27-1) 8.5 Gb/s data. A data conversion penalty of 1.1 dB is realized when a 15 dBm injection beam is used. The transmission performance of the converted wavelength from the slave VCSEL is evaluated using BER measurement at a 10-9 threshold. A 0.5 dB transmission penalty of the converted wavelength data is realized in an 8.5 Gb/s transmission over 24.7 km. This work is vital for optical fibre systems that may require wavelength switching for transmission of data signals.

Paper Details

Date Published: 3 February 2017
PDF: 6 pages
Proc. SPIE 10036, Fourth Conference on Sensors, MEMS, and Electro-Optic Systems, 100360X (3 February 2017); doi: 10.1117/12.2244524
Show Author Affiliations
D. Kiboi Boiyo, Nelson Mandela Metropolitan Univ. (South Africa)
G. M. Isoe, Nelson Mandela Metropolitan Univ. (South Africa)
R. R. G. Gamatham, The Square Kilometre Array Project (South Africa)
A. W. R. Leitch, Nelson Mandela Metropolitan Univ. (South Africa)
T. B. Gibbon, Nelson Mandela Metropolitan Univ. (South Africa)

Published in SPIE Proceedings Vol. 10036:
Fourth Conference on Sensors, MEMS, and Electro-Optic Systems
Monuko du Plessis, Editor(s)

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