Fully-integrated Isolators for Silicon Photonics using WAMO (Wrap Around Magneto-Optics)
使用 WAMO(环绕磁光)的全集成硅光子隔离器
基本信息
- 批准号:1708887
- 负责人:
- 金额:$ 38万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-06-15 至 2022-05-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Title: Fully-integrated Isolators for Silicon Photonics using WAMO (Wrap Around Magneto-Optics)Abstract: Nontechnical: Imagine an integrated circuit where light carries the signal rather than electrons. This promises to allow many signals to transmit faster, simultaneously, and without heat. The major missing link in achieving impactful applications of such "photonic integrated circuits" with high densities is an integrated isolator. Isolators use magneto-optical garnets to control the direction of light, similar to diodes in electronics. Although several integrated isolators have been proposed, they do not work for all light polarizations, and in fact the large majority only work for the polarization that is the opposite of all silicon-integrated lasers. Here, novel isolators are proposed starting with a uniquely simple design that has a high probability of success with today's lasers, and escalating to a final design that includes an integrated magnet and offers polarization diversity (meaning all polarizations can be isolated with one device). The technical novelty of this project are three-fold. First, materials challenges will be overcome to integrate magneto-optical garnets onto silicon. Second, new silicon photonic designs will initially enable the isolation of the laser-matched polarization and later the isolation of all polarizations. Third, magnetic design will be used to incorporate closed flux structures to magnetize the garnets while minimizing the magnetic cross-talk between devices.Technical: Photonic systems keep society connected with optical fibers and inside computers with optical interconnects. Photonics also impacts medicine, chemistry, and many other fields. An integrated isolator is the missing link that needs to be solved before photonic systems with fully-integrated laser sources can be a reality, and this means the results here will have very broad impact. The only passive (zero-power) way to produce a nonreciprocal device, such as an isolator, is to include a nonreciprocal (magneto-optic) material. Magneto-optic garnets (e.g., Cerium-doped Yttrium Iron Garnet) yield orders of magnitude better performance than any other material. However, these garnets are difficult to integrate with silicon as single phase films, and multiple phases cause loss. Also, isolator designs proposed to date are too large for practical implementation, and they mostly use non-reciprocal phase shift in a geometry that only applies to transverse magnetic polarizations while integrated lasers output only transverse electric light. Here, the combination of proven high-gyrotropy, low-loss, and silicon-integrated garnet films (Stadler) with novel silicon photonic designs (Li) will ensure all-passive silicon isolators with polarization diverse functionality. Three layers of innovation will be explored. First, a transverse electric isolator is proposed where garnet is deposited between the branches of an interferometer to provide a simple asymmetry such that, with one applied magnetic field, a "push-pull" non-reciprocal transverse electric phase shift will occur. The next layer of innovation will apply the fundamental photonic results from above and will extend the design to include an integrated magnetostatically-engineered magnetic bias. Specifically, a closed flux loop structure (similar to a closed horseshoe magnet) will be used to magnetize the garnet claddings without requiring an external field and without producing fringing fields in the circuit. The final step towards polarization diversity is a nearly closed flux design that will yield the first device to provide polarization diversity in an all-passive, fully-integrated isolator with wrap around magneto-optics.
标题:使用WAMO(环绕磁光)的全集成硅光子隔离器摘要:非技术:想象一种集成电路,其中光携带信号,而不是电子。这承诺允许许多信号在没有热量的情况下更快、同时地传输。在实现这种高密度的“光子集成电路”的有效应用方面,缺少的主要环节是集成隔离器。隔离器使用磁光石榴石来控制光的方向,类似于电子学中的二极管。尽管已经提出了几种集成隔离器,但它们并不适用于所有的光偏振,事实上,绝大多数隔离器只适用于与所有硅集成激光器相反的偏振。这里提出了一种新的隔离器,从一种独特的简单设计开始,这种设计在当今的激光器中很有可能成功,然后逐步升级到最终的设计,它包括一个集成的磁铁并提供极化多样性(这意味着所有的极化都可以用一个设备隔离)。这个项目的技术新颖性有三个方面。首先,将磁光石榴石集成到硅上将克服材料方面的挑战。其次,新的硅光子设计最初将实现激光匹配偏振的隔离,然后实现所有偏振的隔离。第三,将使用磁性设计来结合封闭的磁通结构来磁化石榴石,同时将设备之间的磁串扰降至最低。技术:光子系统通过光纤保持社会联系,并通过光学互连保持计算机内部的联系。光子学还影响着医学、化学和许多其他领域。集成隔离器是在使用全集成激光光源的光子系统成为现实之前需要解决的缺失环节,这意味着这里的结果将产生非常广泛的影响。制造非互易器件(如隔离器)的唯一无源(零功率)方法是包括非互易(磁光)材料。磁光石榴石(例如,掺Ce的钇铁石榴石)产生的性能比任何其他材料都要好几个数量级。然而,这些石榴石很难以单相薄膜的形式与硅结合,多相会造成损耗。此外,迄今为止提出的隔离器设计太大,无法实际实现,而且它们大多使用非互易相移,其几何形状仅适用于横向磁极化,而集成激光器仅输出横向电光。在这里,经过验证的高陀螺、低损耗和硅集成石榴石薄膜(Stadler)与新颖的硅光子设计(LI)相结合,将确保具有极化多样化功能的全无源硅隔离器。将探索三个层面的创新。首先,提出了一种横向电隔离器,其中石榴石被沉积在干涉仪的分支之间,以提供简单的不对称,从而在一个外加磁场的作用下,将发生非互易的推挽式横向电相移。下一层创新将应用上面的基本光子结果,并将扩展设计,以包括集成的静磁工程磁偏置。具体地说,将使用闭合的磁通回路结构(类似于闭合的马蹄形磁铁)来磁化石榴石覆层,而不需要外部磁场,也不会在电路中产生边缘磁场。实现偏振分集的最后一步是接近封闭的磁通设计,这将产生第一个在全无源、全集成磁光隔离器中提供偏振分集的器件。
项目成果
期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Interfacial and Bulk Magnetic Properties of Stoichiometric Cerium Doped Terbium Iron Garnet Polycrystalline Thin Films
- DOI:10.1002/adfm.202000409
- 发表时间:2020-02
- 期刊:
- 影响因子:19
- 作者:Karthik Srinivasan;C. Radu;D. Bilardello;P. Solheid;B. Stadler
- 通讯作者:Karthik Srinivasan;C. Radu;D. Bilardello;P. Solheid;B. Stadler
Diffusion-Driven Exfoliation of Magneto-Optical Garnet Nanosheets: Implications for Low Thermal Budget Integration in Si Photonics
- DOI:10.1021/acsanm.1c02459
- 发表时间:2021-10
- 期刊:
- 影响因子:0
- 作者:Karthik Srinivasan;Andrew D. Schwarz;Jason C. Myers;N. Seaton;B. Stadler
- 通讯作者:Karthik Srinivasan;Andrew D. Schwarz;Jason C. Myers;N. Seaton;B. Stadler
High-Gyrotropy Seedlayer-Free Ce:TbIG for Monolithic Laser-Matched SOI Optical Isolators
- DOI:10.1021/acsphotonics.9b00707
- 发表时间:2019-09
- 期刊:
- 影响因子:0
- 作者:Karthik Srinivasan;Cui Zhang;P. Dulal;C. Radu;T. Gage;D. Hutchings;B. Stadler
- 通讯作者:Karthik Srinivasan;Cui Zhang;P. Dulal;C. Radu;T. Gage;D. Hutchings;B. Stadler
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Bethanie Stadler其他文献
Nanomagnetic Materials Fabrication, Characterization and Application
纳米磁性材料的制备、表征及应用
- DOI:
- 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
Akinobu Yamaguchi;Atsufumi Hirohata;Bethanie Stadler - 通讯作者:
Bethanie Stadler
Nanomagnetic Materials
纳米磁性材料
- DOI:
- 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
Akinobu Yamaguchi;Atsufumi Hirohata;Bethanie Stadler - 通讯作者:
Bethanie Stadler
Bethanie Stadler的其他文献
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{{ truncateString('Bethanie Stadler', 18)}}的其他基金
I-Corps: Processing of high-performance optical isolator materials using magneto-optical garnets on Si wafers
I-Corps:在硅晶圆上使用磁光石榴石加工高性能光学隔离器材料
- 批准号:
2043044 - 财政年份:2021
- 资助金额:
$ 38万 - 项目类别:
Standard Grant
Roll-Imprint Manufacturing of Three-Dimensional Nanomagnetic Arrays
三维纳米磁性阵列的滚压印制造
- 批准号:
1762884 - 财政年份:2018
- 资助金额:
$ 38万 - 项目类别:
Standard Grant
Support of US Graduate Student for 2015 Magnetism Summer. To Be Held in Minneapolis St. Paul Minnesota on June 14-19, 2015
2015 年磁力暑期美国研究生支持。
- 批准号:
1543987 - 财政年份:2015
- 资助金额:
$ 38万 - 项目类别:
Standard Grant
Materials World Network: Complex Oxides for Heterogeneous Optoelectronic Integration
材料世界网:用于异质光电集成的复杂氧化物
- 批准号:
1210818 - 财政年份:2012
- 资助金额:
$ 38万 - 项目类别:
Standard Grant
Collaborative Research: Understanding Magnetostrictive Galfenol Physics for Micro- and Nano-scale Devices
合作研究:了解微型和纳米级器件的磁致伸缩加酚物理
- 批准号:
1231993 - 财政年份:2012
- 资助金额:
$ 38万 - 项目类别:
Continuing Grant
GOALI/Collaborative Research: Ferromagnetic Nanowires for Bio-inspired Microfluidic NanoElectroMechanical Systems (NEMS)
GOALI/合作研究:用于仿生微流控纳米机电系统 (NEMS) 的铁磁纳米线
- 批准号:
1000863 - 财政年份:2010
- 资助金额:
$ 38万 - 项目类别:
Standard Grant
Monolithically Integrated Nonreciprocal Garnet Devices on Semiconductor Platforms
半导体平台上的单片集成不可逆石榴石器件
- 批准号:
0901321 - 财政年份:2009
- 资助金额:
$ 38万 - 项目类别:
Standard Grant
SGER: Monolithically Integrated Garnet Isolators on Si
SGER:硅上单片集成石榴石隔离器
- 批准号:
0834627 - 财政年份:2008
- 资助金额:
$ 38万 - 项目类别:
Standard Grant
2006 GOALI GRANTEES WORKSHOP TO BE HELD AT NSF ON FEB. 16-17, 2006.
2006 年 Goali 受资助者研讨会将于 2 月在 NSF 举行
- 批准号:
0620104 - 财政年份:2006
- 资助金额:
$ 38万 - 项目类别:
Standard Grant
SENSORS: Collaborative Research: Artificial Cilia- Biologically Inspired Nanosensors
传感器:合作研究:人工纤毛——生物启发纳米传感器
- 批准号:
0329975 - 财政年份:2003
- 资助金额:
$ 38万 - 项目类别:
Standard Grant
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