Title

Short Monolithic Dual-Wavelength Single-Longitudinal-Mode Dbr Phosphate Fiber Laser

Abstract

We propose and demonstrate a 5-cm-long monolithic dual-wavelength single-longitudinal mode distributed Bragg reflector (DBR) all-phosphate fiber laser. Strong UV-induced fiber Bragg gratings are directly written in highly Er/Yb codoped phosphate fiber. The separation between gratings is selected as 1 cm to only excite two longitudinal modes in the DBR cavity. By exploiting the spatial hole burning effect and the polarization hole burning effect, stable narrow-linewidth dual-wavelength lasing emission with 38 pm wavelength spacing and a total emitted power of 2.8 mW is obtained from this DBR fiber laser. A microwave signal at 4.58 GHz is generated by the heterodyne detection of the dual-wavelength laser.

Publication Date

6-20-2014

Publication Title

Applied Optics

Issue

18

Number of Pages

3848-3853

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/AO.53.003848

Socpus ID

84942369164 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84942369164

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