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A dual-frequency 2-cm silica fiber laser with a wavelength spacing of 0.3 nm has been demonstrated using a polarization-maintaining (PM) fiber-Bragg-grating (FBG) reflector. The birefringence of the PM FBG was used to generate the two single-mode (SM) lasing frequencies of orthogonal polarizations. The SM operation in each wavelength has been verified. The output power reaches 43 mW with the optical...
A dual-frequency, 2-cm silica fiber laser with two orthogonal polarizations has been demonstrated. Single-mode operation at each wavelength has been verified. The OSNR is greater than 60 dB with an output power of 43 mW
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