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An all-fiber approach to generate phase-coded microwave signals, based on spectral shaping and a frequency-to-time conversion, is proposed and experimentally demonstrated. A phase modulator cascaded by a filter module that has a sinusoidal spectral response is used to create a frequency-shifted optical spectrum. Microwave pulses with the same shape as the optical spectrum are obtained through frequency-to-time conversion in a dispersive fiber. The phase of the generated radio frequency signals can be continuously shifted by tuning the applied voltage on the optical phase modulator.
Published in:
Photonics Technology Letters, IEEE
(Volume:24
,
Issue:
17
)
Date of Publication: Sept.1, 2012
- Page(s):
- 1527 - 1529
- ISSN :
- 1041-1135
- INSPEC Accession Number:
- 12903694
- Digital Object Identifier :
- 10.1109/LPT.2012.2207949
- Product Type:
- Journals & Magazines
- Date of Publication :
- 11 July 2012
- Date of Current Version :
- 07 August 2012
- Issue Date :
- Sept.1, 2012
- Sponsored by :
- IEEE Photonics Society
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