High power 940 nm semiconductor quantum-well-structure laser diodes can be used as optical fiber amplifiers and to pump some solid state lasers. One of the most important applications is to pump Yb3 + ...

As a result, it is necessary to improve the structure of guard ring to make it can withstand high reverse bias voltage. In order to keep away from premature edge breakdown and increase the maximum ...

Graphene-based saturable absorbers show strong potential for high-speed laser systems. Learn how integrating graphene with silicon photonics improves mode-locking and ultrafast pulse generation.

School of Applied Physics and Materials, Wuyi University, Jiangmen 529020, P. R. China ...

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