Wavelength Dependent Odd Frequency Multiplication Based on a Superstructure FBG
- 23 August 2021
- journal article
- research article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 33 (19), 1101-1104
- https://doi.org/10.1109/lpt.2021.3106670
Abstract
In this letter, a photonic technique with wavelength tunable multiplication factor is proposed to generate odd multiple of modulating frequency. It is based on the cascading of two Mach-Zehnder modulators, super structured fiber Bragg grating, and a power combiner involving coherent heterodyne technique. Frequency tripling and quintupling of 10 GHz modulating signal have been demonstrated by tuning the wavelength of laser source and RF power control.The proposed scheme provides a simple method for photonic generation of widely tunable RF frequencies, and it has ability to change the multiplication factor by adjusting the wavelength of the laser source instead of tuning the passband frequency of the optical filter. The even multiplication capability of the proposed system can also be explored by changing the wavelength of the laser source.Keywords
Funding Information
- Technical Education Quality Improvement (TEQIP) Collaborative Research Scheme [National Project Implementation Unit (NPIU) Ministry of Human Resource Development (MHRD)] (1-5744809099)
- Space Applications Centre, Indian Space Research Organisation (ISRO), Ahmedabad, India (ISRO/(10)/2018-2019/571/ECE, DS-2B-13012(2)/13/2018, ISRO/RES/3/775/19-20)
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