Novel continuously tunable microwave photonic bandpass filter

Research output: Contribution to journalArticleResearchpeer-review

Abstract

A new technique for tuning the passband frequency of a microwave photonic bandpass filter is presented. It is based on controlling the polarization state of the signal in an amplified recirculating delay line loop with a polarizer at the output. A fixed wavelength laser can be used as an optical source. The filter has a sharp passband, which can be tuned continuously while maintaining the same passband width. Experimental results demonstrate continuous tuning capability of the high-resolution bandpass filter.
Original languageEnglish
Pages (from-to)357-359
Number of pages3
JournalIEEE Photonics Technology Letters
Volume20
Issue number5
DOIs
Publication statusPublished - 1 Mar 2008
Externally publishedYes

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Bandpass filters
bandpass filters
Photonics
Tuning
tuning
Microwaves
photonics
microwaves
Electric delay lines
delay lines
polarizers
Light sources
Polarization
filters
Wavelength
Lasers
output
high resolution
polarization
wavelengths

Cite this

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abstract = "A new technique for tuning the passband frequency of a microwave photonic bandpass filter is presented. It is based on controlling the polarization state of the signal in an amplified recirculating delay line loop with a polarizer at the output. A fixed wavelength laser can be used as an optical source. The filter has a sharp passband, which can be tuned continuously while maintaining the same passband width. Experimental results demonstrate continuous tuning capability of the high-resolution bandpass filter.",
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Novel continuously tunable microwave photonic bandpass filter. / Chan, E.H.W.

In: IEEE Photonics Technology Letters, Vol. 20, No. 5, 01.03.2008, p. 357-359.

Research output: Contribution to journalArticleResearchpeer-review

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N2 - A new technique for tuning the passband frequency of a microwave photonic bandpass filter is presented. It is based on controlling the polarization state of the signal in an amplified recirculating delay line loop with a polarizer at the output. A fixed wavelength laser can be used as an optical source. The filter has a sharp passband, which can be tuned continuously while maintaining the same passband width. Experimental results demonstrate continuous tuning capability of the high-resolution bandpass filter.

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