Photonic-Crystal-Reflector Nanoresonators for Kerr-Frequency Combs

被引：31

作者：

Yu, Su-Peng ^{[1
,2
]}

Jung, Hojoong ^{[1
,2
,4
]}

Briles, Travis C. ^{[1
,2
]}

Srinivasan, Kartik ^{[3
]}

Papp, Scott B. ^{[1
,2
]}

机构：

[1] NIST, Time & Frequency Div, Boulder, CO 80305 USA

[2] Univ Colorado, Dept Phys, Boulder, CO 80309 USA

[3] NIST, Microsyst & Nanotechnol Div, Gaithersburg, MD 20899 USA

[4] Korea Inst Sci & Technol, Ctr Quantum Informat, Seoul, South Korea

来源：

ACS PHOTONICS | 2019年 / 6卷 / 08期

关键词：

photonic crystal; microresonator; dispersion engineering nonlinear optics; Kerr effect; frequency comb; WAVE-GUIDES; RESONATORS; GENERATION;

D O I：

10.1021/acsphotonics.9b00578

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We demonstrate Kerr-frequency-comb generation with nanofabricated Fabry-Perot resonators, which are formed with photonic-crystal-reflector (PCR) mirrors. The PCR group-velocity dispersion (GVD) is engineered to counteract the strong normal GVD of a rectangular waveguide, fabricated on a thin, 450 nm silicon nitride device layer. The reflectors enable resonators with both high optical quality factor and anomalous GVD, which are required for Kerr-comb generation. We report design, fabrication, and characterization of devices in the 1550 nm wavelength bands. Kerr-comb generation is achieved by exciting the devices with a continuous-wave laser. The versatility of PCRs enables a general design principle and a material-independent device infrastructure for Kerr-nonlinear-resonator processes, opening new possibilities for manipulation of light. Visible and multispectral-band resonators appear to be natural extensions of the PCR approach.

引用

页码：2083 / 2089

页数：13

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