Multi-tap photonic microwave filter based on two-pump fiber optical parametric amplifier

Jia Li; K. Y. Cheung; Xing Xu; K. K. Y. Wong

doi:10.1117/12.852089

1 December 2009 Multi-tap photonic microwave filter based on two-pump fiber optical parametric amplifier

Jia Li, K. Y. Cheung, Xing Xu, K. K. Y. Wong

Proceedings Volume 7630, Passive Components and Fiber-based Devices VI; 76301K (2009) https://doi.org/10.1117/12.852089
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

Abstract

We propose and demonstrate a novel approach to implement a multi-tap photonic microwave filter. By using a twopump fiber optical parametric amplifier (OPA), the number of signal laser sources needed is only half of the number of filter taps because new frequency components idlers are generated. Moreover, the free spectral range (FSR) of the proposed filter can be changed by simply changing the wavelength spacing between the signals. In our experiment, an 8- tap photonic microwave filter has been demonstrated using 4 signal laser sources, with FSR tuning range from 1.18 GHz to 2 GHz which shows consistency between experimental and theoretical results.

Citation Download Citation

Jia Li, K. Y. Cheung, Xing Xu, and K. K. Y. Wong "Multi-tap photonic microwave filter based on two-pump fiber optical parametric amplifier", Proc. SPIE 7630, Passive Components and Fiber-based Devices VI, 76301K (1 December 2009); https://doi.org/10.1117/12.852089

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KEYWORDS

Optical filters

Microwave radiation

Microwave photonics

Photonic microstructures

Microwave photonic filters

Electronic filtering

Filtering (signal processing)

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