Experimental Investigation on the Effect of Optical Source on Photonic Microwave Filter Performance

Authors: Yu, Xianbin; Zhang, Xianmin; Chen, Kangsheng

Source: International Journal of Infrared and Millimeter Waves, Volume 26, Number 5, May 2005 , pp. 763-770(8)

Publisher: Springer

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Abstract:

The filter frequency response and signal-to-noise ratio (SNR) capacity of fiber Bragg grating resonator based photonic microwave filter are investigated experimentally by using two lasers with different linewidths as optical sources. The effects of optical source on the photonic microwave filter performance are analyzed. The results show that when the laser linewidth is less than the filter free spectral range (FSR), the filter response is fluctuating and the SNR capacity decreases about 10dB.

Keywords: microwave photonics; fiber Bragg grating; delay line; photonic signal processing

Document Type: Research article

DOI: http://dx.doi.org/10.1007/s10762-005-4984-7

Affiliations: 1: Department of Information & Electronic Engineering, Zhejiang University, Hangzhou, 310027, China,

Publication date: 2005-05-01