权益分类	功能权益	普通用户	{{item.name}}会员
{{category.name}}	{{benefitItem.name}}

Guiding the Evolution of Microresonator Frequency Combs

指导微谐振器频率梳的发展

基本信息

批准号：
1809784
负责人：
Andrew Weiner
金额：
$ 36.56万
依托单位：
Purdue University
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2018
资助国家：
美国
起止时间：
2018-07-01 至 2022-06-30
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=1809784&HistoricalAwards=false
关键词：
Guiding Evolution Microresonator Frequency Combs

项目摘要

NontechnicalOptical frequency combs are a revolutionary form of broadband light consisting of a large number of colors that are precisely spaced in frequency. Since their development in the early part of the new century, optical combs have enabled remarkable advances in precision measurement of time and frequency, which are critical to position and inertial guidance, and in high-speed spectroscopy useful for applications such as environmental sensing and breath analysis. However, these combs are generated from specialized lasers, which are rather bulky, which still hinders their deployment for many real world applications. Furthermore, the pulses they emit are limited to relatively low repetition rates. Substantially higher repetition rates are needed for other promising applications, such as optical communications, photonics-based radio-frequency signal processing, and calibration of certain astronomical instruments. More recently, a new choice for generating optical frequency combs has emerged, based on the interaction of light with tiny "microresonator" structures on integrated photonic chips. These microresonator-based comb generators are fundamentally very small, which offers new opportunities for low cost deployment, and provide much higher repetition rate, which offers compatibility with new applications. Research at Purdue University will explore methods to overcome challenges in guiding the optical combs generated from microresonators into stable and repeatable low-noise states desirable for applications and will provide advanced training to students at the graduate and undergraduate level relevant to careers in high technology and science.TechnicalContinuous-wave pumping of a high quality factor microresonator can give rise to formation of combs of optical frequencies spaced by tens to hundreds of GHz. Such combs arise due to nonlinear wave mixing mediated by the optical Kerr effect and are frequently termed Kerr combs. In a particularly interesting state, the comb comprises cavity solitons (more formally called dissipative Kerr solitons), ultrashort pulses of light that propagate in the microresonator with remarkable stability, thanks to a double balance between loss and parametric gain and between dispersion and nonlinearity. However, controlling the nonlinear dynamics to achieve the desired stable states of operation is complex. One complication is that the comb evolves through a chaotic regime before it potentially switches into a stable cavity soliton state; the passage through chaos leads to strong indeterminacy in the state generated. Competition with thermo-optic nonlinearities that are exacerbated by power transients that occur upon transition into the soliton state cause further challenges. Although progress has been made, control strategies to deal with these issues are particularly challenging for desirable chip-scale microresonator devices. This project proposes to explore two new approaches to guiding the evolution of the comb to desired states, including single soliton states, within the rich, nonlinear dynamical phase space. One approach investigates the idea of a so-called chaos-avoiding trajectory involving coordinated manipulation of pump laser power and frequency to reach stable soliton states without passing through the chaotic operating regime usually encountered. A second complementary approach will explore a recently proposed passive scheme toward obtaining single solitons based on mode interactions.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

非技术性光学频率梳是一种革命性的宽带光形式，由大量频率精确间隔的颜色组成。自新世纪早期发展以来，光梳在时间和频率的精确测量方面取得了显著进展，这对位置和惯性制导至关重要，在高速光谱学方面也取得了显著进展，可用于环境传感和呼吸分析等应用。然而，这些梳是由专用激光器产生的，其相当笨重，这仍然阻碍了它们在许多真实的世界应用中的部署。此外，它们发射的脉冲限于相对低的重复率。其他有前景的应用，如光通信、基于光子学的射频信号处理和某些天文仪器的校准，都需要更高的重复率。最近，出现了一种产生光频梳的新选择，其基于光与集成光子芯片上的微小“微谐振器”结构的相互作用。这些基于微谐振器的梳状发生器基本上非常小，这为低成本部署提供了新的机会，并且提供了高得多的重复率，这提供了与新应用的兼容性。普渡大学的研究将探索克服挑战的方法，将微谐振器产生的光梳引导到应用所需的稳定和可重复的低噪声状态，并将为研究生和本科生提供与高科技和科学职业相关的高级培训。高品质因数微谐振器的波泵浦可以引起间隔几十到几百GHz的光频率梳的形成。这样的梳由于由光学克尔效应介导的非线性波混频而产生，并且经常被称为克尔梳。在一个特别有趣的状态下，梳包括腔孤子（更正式地称为耗散克尔孤子），超短光脉冲在微谐振器中传播具有显着的稳定性，这要归功于损耗和参数增益之间以及色散和非线性之间的双重平衡。然而，控制非线性动力学以实现期望的稳定操作状态是复杂的。一个复杂的是，梳状演化通过一个混乱的政权之前，它可能会切换到一个稳定的腔孤子状态;通过混沌导致强烈的不确定性的状态产生。与热光非线性的竞争，加剧了过渡到孤子状态时发生的功率瞬变造成进一步的挑战。虽然已经取得了进展，控制策略，以处理这些问题是特别具有挑战性的理想的芯片级微谐振器设备。本计画提出探索两种新的方法，以引导梳状波演化到所需的状态，包括单孤子状态，在丰富的非线性动力学相空间中。一种方法研究了所谓的混沌避免轨迹的想法，涉及协调操纵泵浦激光功率和频率，以达到稳定的孤子状态，而不通过通常遇到的混沌操作制度。第二个补充方法将探讨最近提出的被动计划，以获得单孤子的模式interactions.This奖项反映了NSF的法定使命，并已被认为是值得通过使用基金会的智力价值和更广泛的影响审查标准进行评估的支持。

项目成果

期刊论文数量（18）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Deterministic access of broadband frequency combs in microresonators using cnoidal waves in the soliton crystal limit

DOI：
10.1364/oe.405655
发表时间：
2020-11-23
期刊：
OPTICS EXPRESS
影响因子：
3.8
作者：
Qi, Zhen;Leshem, Amir;Menyuk, Curtis R.
通讯作者：
Menyuk, Curtis R.

On-Chip Optical Frequency Comb Generation for RF Photonic Applications

用于射频光子应用的片上光学频率梳生成

DOI：
10.1109/ipcon.2018.8527241
发表时间：
2018
期刊：
2018 IEEE Photonics Conference (IPC
影响因子：
0
作者：
Xue, Xiaoxiao;Zheng, Xiaoping;Weiner, Andrew M.
通讯作者：
Weiner, Andrew M.

Switching dynamics of dark-pulse Kerr frequency comb states in optical microresonators

DOI：
10.1103/physreva.103.013513
发表时间：
2021-01-14
期刊：
PHYSICAL REVIEW A
影响因子：
2.9
作者：
Nazemosadat, Elham;Fulop, Attila;Torres-Company, Victor
通讯作者：
Torres-Company, Victor

Optical Division of an Octave-Spanning Comb on an All-Silicon Nitride Platform

全硅氮化物平台上倍频程梳的光学划分

DOI：
10.1109/ipc48725.2021.9592941
发表时间：
2021
期刊：
2021 IEEE Photonics Conference (IPC
影响因子：
0
作者：
Wang, Cong;O'Malley, Nathan P.;Ye, Zhichao;Alshaykh, Mohammed S.;Girardi, Marcello;Noman, Abdullah Al;Leaird, Daniel E.;Qi, Minghao;Torres-Company, Victor;Weiner, Andrew M.
通讯作者：
Weiner, Andrew M.

Dissipative cnoidal waves (Turing rolls) and the soliton limit in microring resonators