Passively Mode Locked Diode-End-Pumped Yb∶YAB Laser with High Reflectivity Type Semiconductor Saturable Absorption Mirror

Abstract: A novel high reflectivity type of semiconductor saturable absorption mirror grown by metal organic chemical vapor deposition is presented. Using the mirror as well as an end mirror,passively mode locked Yb∶YAB laser is realized,which produces a pulse as short as 305ps at 1.044μm.The pulse frequency is 375MHz;the output power is 45mW.

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