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Data transparent reconfigurable optical interconnections using polarization switching in VCSEL's induced by optical injection

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7 Author(s)
K. Panajotov ; Dept. of Appl. Phys. & Photonics, Vrije Univ., Brussels, Belgium ; F. Berghmans ; M. Peeters ; G. Verschaffelt
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We demonstrate a data transparent reconfigurable optical interconnection system based on optical injection controlled polarization switching in a master-slave vertical-cavity surface-emitting laser (VCSEL) configuration. A 140-Mb/s data stream generated by the slave VCSEL is redirected by an anisotropic diffractive optical element depending on the polarization state of the emitted light. The polarization of the slave laser is controlled by injecting an orthogonally polarized optical signal from a master laser. The current modulation of the master VCSEL and the subsequent polarization switching of the slave VCSEL occur at 40 MHz. In our setup, both the data rate and the optical interconnection reconfiguration rate are limited by the electronic drive circuitry and could in principle attain the gigahertz range.

Published in:

IEEE Photonics Technology Letters  (Volume:11 ,  Issue: 8 )