Reflective Amplified Recirculating Delay Line Bandpass Filter
Journal of Lightwave Technology, Vol. 25, Issue 6, pp. 1441-1446 (2007)
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Abstract
A new microwave photonic filter structure that can achieve a high Q factor, high stopband rejection, and high skirt selectivity bandpass filter response simultaneously is presented. It is based on reflecting the signal back into a single amplified optical recirculating delay line and comprises coherent summation of the multiple signals that constitute each tap and incoherent summation of the successive taps. This introduces a new class of filter operation and effectively enables the realization of a higher order bandpass filter characteristic in a very simple structure. Experimental results are presented that demonstrate a multiple-tap high-Q bandpass filter response that also displays high stopband rejection level and high skirt selectivity.
© 2007 IEEE
Citation
Erwin H. W. Chan and Robert A. Minasian, "Reflective Amplified Recirculating Delay Line Bandpass Filter," J. Lightwave Technol. 25, 1441-1446 (2007)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-25-6-1441
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