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On-chip tunable microdisk laser fabricated on Er3+-doped lithium niobate on insulator
Optics Letters ( IF 3.1 ) Pub Date : 2021-01-14 , DOI: 10.1364/ol.410608
Zhe Wang , Zhiwei Fang , Zhaoxiang Liu , Wei Chu , Yuan Zhou , Jianhao Zhang , Rongbo Wu , Min Wang , Tao Lu , Ya Cheng

We demonstrate a C-band wavelength-tunable microlaser with an ${{\rm Er}^{3 +}}$-doped high quality (${\sim}{1.8} \times {{10}^6}$) lithium niobate microdisk resonator. With a 976 nm continuous-wave pump laser, lasing action can be observed at a pump power threshold lower than 400 µW at room temperature. Furthermore, the microdisk laser wavelength can be tuned by varying the pump laser power, showing a tuning efficiency of ${\sim}- {17.03}\;{\rm pm/mW}$ at low pump power below 13 mW, and 10.58 pm/mW at high pump power above 13 mW.

中文翻译:

绝缘体上掺Er 3+的铌酸锂制备的片上可调谐微盘激光器

我们演示了掺杂了$ {{\ rm Er} ^ {3 +}} $的高质量($ {\ sim} {1.8} \ times {{10} ^ 6} $)的C波段波长可调微激光器。铌酸锂微盘谐振器。使用976 nm连续波泵浦激光器,可以在室温下以低于400 µW的泵浦功率阈值观察到激射作用。此外,可以通过改变泵浦激光功率来调整微盘激光器的波长,从而在低于13 mW的低泵浦功率和10.58的情况下显示出调谐效率$ {\ sim}-{17.03} \; {\ rm pm / mW} $在高于13 mW的高泵浦功率下为pm / mW。
更新日期:2021-01-15
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