Quaternary optical ASK-DPSK and receivers with direct detection
- 6 January 2003
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 15 (1) , 159-161
- https://doi.org/10.1109/lpt.2002.805776
Abstract
We present a novel quaternary optical-modulation scheme based on the combination of amplitude and phase modulation. The modulator has a simple structure and can be realized by using standard components. We present two simple receivers, each one using photodiodes for direct detection. The performance of the modulation scheme is investigated.Keywords
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