High-resolution low-noise microwave photonic interference mitigation filter

Author

Chan, Erwin H W ; Minasian, Robert A.

Author_Institution

Inst. of Photonics & Opt. Sci., Univ. of Sydney, Sydney, NSW, Australia

fYear

2011

fDate

26-30 June 2011

Firstpage

1

Lastpage

4

Abstract

A new high-resolution microwave photonic interference mitigation filter with low-noise performance is presented. It is based on using a dual-input electro-optic intensity modulator together with a frequency-shifting amplified recirculating delay line loop. It can realise a very narrow notch, and also a wide and flat passband to simultaneously excise interference with minimal impact on the wanted signal. The interference mitigation filter can be integrated into optical fibre microwave transmission systems. Experimental results demonstrate a notch filter response having a very narrow notch bandwidth of 0.55% of the filter FSR, together with a wide and flat passband.

Keywords

electro-optical modulation; integrated optics; light interference; microwave filters; microwave photonics; notch filters; optical delay lines; optical fibre communication; optical filters; optical noise; dual-input electro-optic intensity modulator; filter FSR; flat passband; frequency-shifting amplified recirculating delay line loop; high-resolution microwave photonic interference mitigation filter; low-noise performance; narrow notch; notch bandwidth; notch filter response; optical fibre microwave transmission systems; wide passband; Band pass filters; Microwave filters; Microwave photonics; Optical fiber filters; Optical fibers; microwave filters; notch filters; optical delay lines; optical signal processing;

fLanguage

English

Publisher

ieee

Conference_Titel

Transparent Optical Networks (ICTON), 2011 13th International Conference on

Conference_Location

Stockholm

ISSN

2161-2056

Print_ISBN

978-1-4577-0881-7

Electronic_ISBN

2161-2056

Type

conf

DOI

10.1109/ICTON.2011.5971123

Filename

5971123