Title :
Hybrid optoelectronic WDM ADC
Author :
Rabiei, P. ; Levi, A.F.J.
Author_Institution :
Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA
Abstract :
Summary form only given.Optical wavelength division demultiplexing (WDM) analog to-digital conversion (ADC) has been suggested for high-speed sampling of signals. Multi-wavelength time-interleaved optical pulses are used to sample a RF signal. After modulation, the pulses of different center wavelength are spatially separated in an array waveguide grating. Pulses of different center wavelength have a repetition rate reduced by a factor of n (where n is the number of different wavelengths). Each optical signal is detected, low-pass filtered, and electronically quantized. Digital signal processing is then used to reconstruct the original signal by time-interleaving the sample from each ADC.
Keywords :
Chebyshev filters; analogue-digital conversion; demultiplexing; electro-optical modulation; low-pass filters; microwave photonics; signal reconstruction; signal sampling; transfer functions; wavelength division multiplexing; Chebyshev filter; RF signal; analog transfer function; array waveguide grating; digital signal processing; high-speed signal sampling; hybrid optoelectronic WDM ADC; low-pass filter; multi-wavelength time-interleaved optical pulses; optical wavelength division demultiplexing; photonic ADC; signal reconstruction; Arrayed waveguide gratings; Demultiplexing; High speed optical techniques; Optical filters; Optical modulation; Optical pulses; Optical signal processing; Optical waveguides; Pulse modulation; Wavelength division multiplexing;
Conference_Titel :
Lasers and Electro-Optics, 2000. (CLEO 2000). Conference on
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
1-55752-634-6
DOI :
10.1109/CLEO.2000.907481
