DOIONLINE 
DOIONLINE Publish In |
International Journal of Industrial Electronics and Electrical Engineering (IJIEEE)-IJIEEE |
 Journal Home Volume Issue |
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Issue |
Volume-6,Issue-4 ( Apr, 2018 ) | |||||||||
Paper Title |
Direct Detection of Optical BPSK/QAM Signal without Digital Signal Processing | |||||||||
Author Name |
Ha Trong Thuy, Dongsun Seo | |||||||||
Affilition |
Dept. Of Electronics, Myongji University, Yongin, Korea | |||||||||
Pages |
27-29 | |||||||||
Abstract |
We experimentally demonstrate the coherent detection of optical BPSK/QAM signals by direct phase compensation of the phase noise without using a sophisticated digital signal processing algorithm. The phase compensation is achieved by applying simply an error signal to a phase modulator located at the local oscillator for coherent detection, where the error signal is generated to keep the same power level for binary/quadrature signals. Indexterms - Phase Noise, BPSK, QAM, Coherent Detection, Coherent Optical Communication. | |||||||||
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