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Title |
The Proposal of OCDMA Encoder Based on Optical Cross Add and Drop Multiplexer (OXADM) - Device Characteristic |
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Author |
Mohammad Syuhaimi Ab-Rahman, Muhd Fauzi Aminuddin Shazi Shaarani |
| Citation |
Vol. 8 No. 12 pp. 259-266 |
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Abstract |
This paper proposes the development of N-ports optical code division multiple access (OCDMA) encoder prototype based on OXADM device. It is potentially to provide a high security for data transmission due to data transmitted in binary code form. The output signals from OXADM are coded with a binary code that is given to an optical switch before the signal is modulated with the carrier and transmitted to the receiver. The N-ports encoder used N double pole double throw (DPDT) toggle switches to control the polarization of voltage source from +5 V to -5 V for N optical switches. When +5 V is given, the optical switch will give code ‘1’ and vice versa. The experimental results showed the insertion loss, crosstalk, return loss, and optical signal-noise-ratio (OSNR) for the developed prototype at <6 dB, 60dB, 40 dB, and ≥20 dB. |
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Keywords |
OXADM, OCDMA, encoder, characteristics, crosstalk, return loss, OSNR |
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