Polarized random laser emission from an oriented disorder polymer optical fiber

Area of Science:

• Photonics and Optical Engineering
• Materials Science

Background:

• Random polymer fiber lasers (RPFLs) offer unique light generation properties.
• Achieving polarization control in RPFLs is crucial for advanced applications.
• Existing methods for polarized laser fabrication face scalability challenges.

Purpose of the Study:

• To demonstrate the realization of a polarized random polymer fiber laser (RPFL).
• To investigate the role of multiple scattering in disordered gain media doped polymer optical fibers (POFs) for polarized lasing.
• To explore the polarization-maintaining properties of RPFLs for future device design.

Main Methods:

• Fabrication of disordered gain media doped polymer optical fibers (POFs).
• Experimental verification of multiple scattering effects in orientated POFs.
• Characterization of laser output and polarization properties.

Main Results:

• Successful demonstration of a polarized RPFL using disordered POFs.
• Experimental evidence confirming multiple scattering as the mechanism for polarized lasing.
• Initial research into the polarization-maintaining characteristics of these novel RPFLs.

Conclusions:

• A new, scalable method for fabricating polarized RPFLs has been presented.
• Multiple scattering in disordered POFs is key to achieving polarized random lasing.
• This research paves the way for developing polarization-maintaining random fiber lasers.