DocumentCode
515637
Title
Digital optical phase locked loop for real-time coherent demodulation of multilevel PSK/QAM
Author
Sakamoto, Takahide ; Lu, Guo-Wei ; Chiba, Akito ; Kawanishi, Tetsuya
Author_Institution
Nat. Inst. of Inf. & Commun. Technol., Koganei, Japan
fYear
2010
fDate
21-25 March 2010
Firstpage
1
Lastpage
3
Abstract
We propose a digital optical phase locked loop (DOPLL) for real-time demodulation of high-speed multilevel PSK/QAM. It was simply implemented using low-speed digital signal processor after electrical sampling to demodulate high-speed BPSK, QPSK and 16QAM.
Keywords
demodulation; digital phase locked loops; multivalued logic circuits; optical phase locked loops; quadrature amplitude modulation; quadrature phase shift keying; 16 QAM demodulation; BPSK demodulation; QPSK demodulation; digital optical phase locked loop; electrical sampling; high-speed multilevel PSK; low-speed digital signal processor; real-time coherent demodulation; Demodulation; Digital signal processing; High speed optical techniques; Optical feedback; Optical receivers; Optical sensors; Optical signal processing; Phase locked loops; Phase shift keying; Quadrature amplitude modulation;
fLanguage
English
Publisher
ieee
Conference_Titel
Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)
Conference_Location
San Diego, CA
Electronic_ISBN
978-1-55752-884-1
Type
conf
Filename
5465346
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