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Dual-wavelength thulium fluoride fiber laser based on SMF-TMSIF-SMF interferometer as potential source for microwave generation in 100-GHz region

Ahmad, Nurul Atiqah and Dahlan, Samsul Haimi and Cholan , Noran Azizan and Ahmad, Harith and Amiri, Iraj Sadegh and Zian, Cheak Tiu (2018) Dual-wavelength thulium fluoride fiber laser based on SMF-TMSIF-SMF interferometer as potential source for microwave generation in 100-GHz region. IEEE Journal of Quantum Electronics, 54 (2). ISSN 15581713

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Abstract

A dual-wavelength thulium-doped fluoride fiber (TDFF) laser is presented. The generation of the TDFF laser is achieved with the incorporation of a single modemultimode- single mode (SMS) interferometer in the laser cavity. The simple SMS interferometer is fabricated using the combination of two-mode step index fiber and single-mode fiber. With this proposed design, as many as eight stable laser lines are experimentally demonstrated. Moreover, when a tunable bandpass filter is inserted in the laser cavity, a dual-wavelength TDFF laser can be achieved in a 1.5-μm region. By heterodyning the dual-wavelength laser, simulation results suggest that the generated microwave signals can be tuned from 105.678 to 106.524 GHz with a constant step of �0.14 GHz. The presented photonics-based microwave generation method could provide alternative solution for 5G signal sources in 100-GHz region.

Item Type: Article
Uncontrolled Keywords: Microwave photonics; thulium fluoride fiber laser; fiber interferometer; dual-wavelength
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101-5865 Telecommunication. Telegraph.
Divisions: Faculty of Electrical and Electronic Engineering > Department of Communication Engineering
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 23 Jun 2019 06:52
Last Modified: 23 Jun 2019 06:52
URI: http://eprints.uthm.edu.my/id/eprint/11539
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