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Visible blue-to-red 10 GHz frequency comb via on-chip triple-sum-frequency generation

机译:通过片上三相频率发电可见的蓝色到红色10 GHz频率梳

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摘要

A broadband visible (VIS) blue-to-red, 10 GHz repetition rate frequency comb is generated by combined spectral broadening and triple-sum-frequency generation in an on-chip silicon nitride waveguide. Ultra-short pulses of 150 pJ pulse energy, generated via electro-optic modulation of a 1560 nm continuous-wave laser (CW), are coupled to a silicon nitride waveguide giving rise to a broadband near-infrared (NIR) supercontinuum. Modal phase matching inside the waveguide allows direct triple-sum-frequency transfer of the NIR supercontinuum into the VIS wavelength range covering more than 250 THz from below 400 to above 600 nm wavelength. This scheme directly links the mature optical telecommunication band technology to the VIS wavelength band and can find application in astronomical spectrograph calibration, as well as referencing of CW lasers. (C) 2019 Optical Society of America
机译:通过片上氮化硅波导中的组合光谱展宽和三相频率产生,产生宽带可见(VI)的蓝色到红色的10GHz重复率频率。 通过1560nm连续波激光器(CW)的电光调制产生的150pj脉冲能量的超短脉冲,耦合到导致宽带近红外(NIR)超连续的氮化硅波导。 波导内部的模态相位匹配允许NIR超细素的直接三相频率传递到VALVAL长长范围内,从低于400至高于600nm波长的大于400至高于600nm。 该方案直接将成熟的光电信带技术与VIS波长带联系起来,可以在天文光谱仪校准中找到应用,以及CW激光器的参考。 (c)2019年光学学会

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  • 来源
    《Optics Letters》 |2019年第21期|共4页
  • 作者单位

    Swiss Ctr Elect &

    Microtechnol CSEM Rue Observ 58 CH-2000 Neuchatel Switzerland;

    Swiss Ctr Elect &

    Microtechnol CSEM Rue Observ 58 CH-2000 Neuchatel Switzerland;

    Swiss Ctr Elect &

    Microtechnol CSEM Rue Observ 58 CH-2000 Neuchatel Switzerland;

    LIGENTEC SA EPFL Innovat Pk Batiment L CH-1024 Ecublens Switzerland;

    LIGENTEC SA EPFL Innovat Pk Batiment L CH-1024 Ecublens Switzerland;

    Univ Geneva Geneva Observ Chemin Maillettes 51 CH-12901 Versoix Switzerland;

    Univ Geneva Geneva Observ Chemin Maillettes 51 CH-12901 Versoix Switzerland;

    Swiss Ctr Elect &

    Microtechnol CSEM Rue Observ 58 CH-2000 Neuchatel Switzerland;

    Swiss Ctr Elect &

    Microtechnol CSEM Rue Observ 58 CH-2000 Neuchatel Switzerland;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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