A low quantum defect and power scalable Yb-doped glass waveguide laser

被引：0

作者：

Vaid, Harsh ^{[1
]}

Saxena, Sharashti ^{[1
]}

Kannan, Pradeesh ^{[2
]}

Choudhary, Amol ^{[1
]}

机构：

[1] Indian Inst Technol IIT, Ultrafast Opt Commun & High Performance Integrated, New Delhi 110016, India

[2] Govt Victoria Coll, Dept Phys, Palakkad, Kerala, India

来源：

OPTICAL MATERIALS | 2024年 / 157卷

关键词：

SATURABLE ABSORBERS; GRAPHENE; MONOLAYER; MOS2;

D O I：

10.1016/j.optmat.2024.116399

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present a continuous wave laser action in ytterbium (Yb)-doped phosphate glass buried channel waveguides. The 25 mm long waveguides were fabricated by the standard ion exchange method. When pumped with a 976 nm laser diode, the waveguide laser emits at 982.4 nm, yielding an ultralow quantum defect of 0.66 %. The impact of coupling and pump power variation on the laser emission wavelengths is demonstrated. Furthermore, the results of pulsing using a monolayer graphene as a saturable absorber (SA) are presented and a pulse train with a repetition rate of 1 MHz and a pulse width of 700 ns was obtained.

引用

页数：6

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