A new optical approach to broadband analog-to-digital conversion is discussed, which directly records signals in the frequency domain. This frequency-domain stretch processor can achieve 10-bit performance at 20GSPS and is extendable to signals over 100GHz.
© 2007 Optical Society of America
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(090.0090) Holography : Holography
(090.2900) Holography : Optical storage materials
W. R. Babbitt, " Digitization of Microwave Signals with Spatial Spectral Holography," in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper OThI6.
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