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Narrow-linewidth lasing and soliton Kerr microcombs with ordinary laser diodes

机译:具有普通激光二极管的窄线宽激光和孤子Kerr微囊带

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摘要

Narrow-linewidth lasers and optical frequency combs generated with mode-locked lasers have revolutionized optical frequency metrology. The advent of soliton Kerr frequency combs in compact crystalline or integrated ring optical microresonators has opened new horizons in academic research and industrial applications. These combs, as was naturally assumed, however, require narrow-linewidth, single-frequency pump lasers. We demonstrate that an ordinary cost-effective broadband Fabry-Perot laser diode at the hundreds of milliwatts level, self-injection-locked to a microresonator, can be efficiently transformed to a powerful single-frequency, ultra-narrow-linewidth light source with further transformation to a coherent soliton comb oscillator. Our findings pave the way to the most compact and inexpensive highly coherent lasers, frequency comb sources, and comb-based devices for mass production.
机译:用模式锁定激光器产生的窄线宽激光器和光学频率梳子具有革命性的光学频率计量。 Compact Crystalline或集成环光学微管中Soliton Kerr频率梳子的出现在学术研究和工业应用中开辟了新的地平线。 然而,如自然认为,这些梳子需要窄线宽,单频泵激光器。 我们证明,普通的成本效益宽带法布里 - 珀罗激光二极管在数百毫瓦水平,自喷锁定到微小器,可以进一步有效地转换为强大的单频,超窄线宽光源 转换为连贯的孤子梳子振荡器。 我们的研究结果为最紧凑而廉价的高度相干激光器,频率梳子源和梳理设备铺平了途径。

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