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Simultaneous broadband microwave downconversion and programmable complex filtering by optical frequency comb shaping |
Optics Letters, Vol. 37, Issue 19, pp. 3993-3995 (2012)
http://dx.doi.org/10.1364/OL.37.003993
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Abstract
High-repetition-rate optical frequency combs can act as broadband photonic mixers and downconvert a microwave signal to an intermediate frequency (IF) band so that it becomes accessible with high-speed electronics. In this Letter, we show that with line-by-line pulse shaping and dispersive propagation, the photonic mixer can simultaneously perform programmable multitap complex-coefficient-filtering within the IF band. This solution opens new possibilities for microwave signal processing by combining the flexibility of optoelectronic frequency comb technology with high-speed analog-to-digital converters.
© 2012 Optical Society of America
OCIS Codes
(320.5540) Ultrafast optics : Pulse shaping
(070.2615) Fourier optics and signal processing : Frequency filtering
(060.5625) Fiber optics and optical communications : Radio frequency photonics
ToC Category:
Fourier Optics and Signal Processing
History
Original Manuscript: June 7, 2012
Revised Manuscript: August 8, 2012
Manuscript Accepted: August 16, 2012
Published: September 20, 2012
Citation
Victor Torres-Company, Daniel E. Leaird, and Andrew M. Weiner, "Simultaneous broadband microwave downconversion and programmable complex filtering by optical frequency comb shaping," Opt. Lett. 37, 3993-3995 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-19-3993
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