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首页> 外文期刊>Optics Letters >Photonic generation of stable microwave signals from a dual-wavelength Al_(2)O_(3):Yb~(3+) distributed-feedback waveguide laser
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Photonic generation of stable microwave signals from a dual-wavelength Al_(2)O_(3):Yb~(3+) distributed-feedback waveguide laser

机译:双波长Al_(2)O_(3):Yb〜(3+)分布式反馈波导激光器的光产生稳定的微波信号

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摘要

We report the fabrication and characterization of a dual-wavelength distributed-feedback channel waveguide laser in ytterbium-doped aluminum oxide. Operation of the device is based on the optical resonances that are induced by two local phase shifts in the distributed-feedback structure. A stable microwave signal at approx15 GHz with a -3dB width of 9 kHz was subsequently created via the heterodyne photodetection of the two laser wavelengths. The long-term frequency stability of the microwave signal produced by the free-running laser is better than +-2.5 MHz, while the power of the microwave signal is stable within +-0.35 dB.
机译:我们报告the掺杂的氧化铝中的双波长分布式反馈通道波导激光器的制造和表征。器件的操作基于分布式谐振结构中两个局部相移引起的光学共振。通过两个激光波长的外差光电检测,随后产生了大约15 GHz的稳定微波信号,其-3dB宽度为9 kHz。自由运行激光器产生的微波信号的长期频率稳定性优于+ -2.5 MHz,而微波信号的功率则稳定在+ -0.35 dB之内。

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