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Tunable all-optical single-bandpass photonic microwave filter based on spectrally sliced broad optical source and phase modulation |
Applied Optics, Vol. 52, Issue 2, pp. 302-306 (2013)
http://dx.doi.org/10.1364/AO.52.000302
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Abstract
A tunable all-optical single-bandpass photonic microwave filter (PMF) based on spectrally sliced broadband optical source and phase modulation is proposed and experimentally demonstrated. A broadband optical source and a Mach–Zehnder interferometer (MZI) are used to generate continuous optical spectral samples, which are employed to form a finite impulse response filter with a single-bandpass response with the help of a single-mode fiber. A phase modulator is then adopted to eliminate the baseband components in the filtering response. The center frequency of the PMF can be tuned by changing the free spectral range of the MZI. An experiment is performed, and the results demonstrate that the proposed PMF has a single-bandpass without baseband components and a tuning range of 5–15 GHz.
© 2013 Optical Society of America
OCIS Codes
(250.0250) Optoelectronics : Optoelectronics
(250.4745) Optoelectronics : Optical processing devices
ToC Category:
Optoelectronics
History
Original Manuscript: October 10, 2012
Revised Manuscript: December 5, 2012
Manuscript Accepted: December 5, 2012
Published: January 10, 2013
Citation
Ming Chen, Wei Pan, Xihua Zou, Bin Luo, Lianshan Yan, and Xinkai Liu, "Tunable all-optical single-bandpass photonic microwave filter based on spectrally sliced broad optical source and phase modulation," Appl. Opt. 52, 302-306 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-2-302
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