Abstract: We have numerically studied single-frequency gain-switched $\mathbf{2}-\boldsymbol{\mu} \mathbf{m}$ thulium doped fiber laser oscillator with cm-level long cavity length. The peak output ...

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This video showcases a mini construction project focused on building a hydroelectric dam. #MiniConstruction #ScienceProject #hydroelectric Food Network star Anne Burrell dies at age 55 Photos show ...

The performance of a semiconductor optical amplifier (SOA) in the deep saturation regime is studied for single-channel return-to-zero (RZ) and nonreturn-to-zero differential phase-shift keying (DPSK) ...