Gayathri Bharathan

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Publications (8)

• Reconfigurable modulation depth in multimode-interference saturable absorbers for 2 µm fiber lasers
  Journal of Optics 2026 DOI: 10.1088/2040-8986/ae7d41
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• Physical mechanisms of femtosecond laser induced refractive index change in direct-written mid-infrared fiber Bragg gratings
  APL Photonics 2024 DOI: 10.1063/5.0224504
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• Wavelength-stabilized tunable mode-locked thulium-doped fiber laser beyond 2 µm
  Optics Letters 2022 DOI: 10.1364/OL.453936
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• MXene and PtSe2 saturable absorbers for all-fibre ultrafast mid-infrared lasers
  Optical Materials Express 2021 DOI: 10.1364/OME.426862
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• Long wavelength operation of a dysprosium fiber laser for polymer processing
  Optics Letters 2021 DOI: 10.1364/OL.417208
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• Femtosecond laser direct-written fiber Bragg gratings with high reflectivity and low loss at wavelengths beyond 4 µm
  Optics Letters 2020 DOI: 10.1364/OL.399329
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• Optimized laser-written ZBLAN fiber Bragg gratings with high reflectivity and low loss
  Optics Letters 2019 DOI: 10.1364/OL.44.000423
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• In-fiber polarizer based on a 45-degree tilted fluoride fiber Bragg grating for mid-infrared fiber laser technology
  OSA Continuum 2018 DOI: 10.1364/OSAC.1.000056
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