https://www.selleckchem.com/pr....oducts/ly3200882.htm
We reported an all-polarization-maintaining single-frequency ytterbium-doped bidirectional fiber laser for the first time, to the best of our knowledge. Single-frequency operation was achieved by a stable dynamic grating in the active fiber of a proper length owing to the bidirectional operation of the laser. The fiber laser possesses a linewidth of 7.43 kHz, a slope efficiency of 47.9%, and a great long-term stability.A cost-efficient and low-complexity optical input/output (I/O) packaging solution is a substantial challenge for volu
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