Terabit/s FFT processing – optics can do it on-the-fly

Author

Leuthold, J. ; Hillerkuss, D. ; Winter, M. ; Li, J. ; Worms, K. ; Koos, C. ; Freude, W. ; Ezra, S.B. ; Narkiss, N.

Author_Institution

Inst. of Photonics & Quantum Electron., Univ., Karlsruhe, Germany

fYear

2010

Firstpage

1

Lastpage

4

Abstract

The discrete Fourier Transform (DFT) or its more popular efficient algorithm, the Fast Fourier Transform (FFT) is one of the important mathematical functions in the toolbox of signal processing. To this date its processing speed is limited by the underlying electronic processors. We show that FFT signal processing limitations can be overcome by performing the FFT in the optical domain and demonstrate the power of the technique by performing the FFT on a single source 10 Tbit/s OFDM signal.

Keywords

discrete Fourier transforms; optical communication; optical information processing; FFT signal processing; discrete Fourier transform; electronic processors; fast Fourier transform; fiber optics communications; mathematical functions; signal processing; terabits; Discrete Fourier transforms; Fast Fourier transforms; OFDM; Optical fiber communication; Optical filters; Optical interferometry; Optical signal processing; Signal processing; Signal processing algorithms; Signal sampling; FFT; Fiber optics and optical communications; OFDM; Signal processing;

fLanguage

English

Publisher

ieee

Conference_Titel

Transparent Optical Networks (ICTON), 2010 12th International Conference on

Conference_Location

Munich

Print_ISBN

978-1-4244-7799-9

Electronic_ISBN

978-1-4244-7797-5

Type

conf

DOI

10.1109/ICTON.2010.5549337

Filename

5549337