Acoustic control of quantum cascade heterostructures: the THz "S-LASER"
量子级联异质结构的声学控制:太赫兹“S-LASER”
基本信息
- 批准号:EP/V004743/1
- 负责人:
- 金额:$ 127.28万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Research Grant
- 财政年份:2021
- 资助国家:英国
- 起止时间:2021 至 无数据
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Our vision is to develop active terahertz (THz) frequency devices in which the stimulated emission of coherent THz acoustic phonons is achieved simultaneously together with the stimulated emission of coherent THz photons in a quantum cascade laser (QCL); specifically, we will create a new epitaxially integrated device, which we term the THz "S-LASER" (Sound & Light Amplification by Stimulated Emission of Radiation) which will overcome electrical limits on the speed of modulation of current THz sources, by allowing self-oscillating sound-generating regions of the device to control at 100s of GHz regions in which THz lasing occurs. Furthermore, we will achieve precise frequency modulation in the same device using lateral surface acoustic waves (SAWs) to control the Fabry-Perot modes with unprecedented frequency range under full electrical control. THz QCLs offer an ideal platform upon which to develop such devices, owing to their gain recovery time being suitably fast, their layer structure being ideal for phonon perturbation, and since they will permit monolithic integration with active phononic devices (SASERs) in the GaAs/AlGaAs material system. THz QCLs are a well-established laser technology pioneered by the Leeds team, offering multi-Watt power levels, and spanning the spectral region from ~1 to 5 THz. Communications links formed by modulated THz QCL laser sources have been proposed as ideal candidates for military and satellite communication systems, as well as for other short-range high-throughput secure applications including in data centres. Until now, however, the maximum modulation rate that one can achieve has been limited to a few GHz by the RLC (resistive / inductive / capacitive) time constants associated with the electrical circuits in which THz QCLs are embedded. Here, we will exploit acoustic perturbation of the QCL bandstructure to modulate the electronic states and hence control the light output on picosecond timescales, yielding unprecedented modulation bandwidths of 100s of GHz. We will then use these developments to demonstrate an S-LASER, combining concepts from THz QLCs with self-oscillating SASERs.Building on a proven experimental and theoretical collaboration between Leeds and Nottingham, and using our combined world-leading expertise in THz devices and ultrafast acoustics, we will investigate experimentally the interaction of acoustic waves with THz QCL heterostructures. By exploiting the spatial overlap of confined THz photons and acoustic waves, our work will open up exploration of the physical regime of strong opto-mechanical coupling at THz frequencies. New regimes of opto-acoustic interaction have been investigated recently in the 10's of GHz frequency range, but here our chosen system will increase the frequency of operation by three orders of magnitude, enabling new physics, technology, and applications to be realised.
我们的目标是在量子级联激光器(QCL)中同时实现相干太赫兹声学声子的受激发射和相干太赫兹光子的受激发射;具体地,我们将创建新的外延集成器件,我们称之为太赫兹“S激光”(通过辐射的受激发射的声和光放大),这将克服对当前THz源的调制速度的电气限制,通过允许装置的自振荡声音产生区域控制在100 GHz的区域,在该区域中发生THz激光。此外,我们将实现精确的频率调制,在同一设备中使用横向表面声波(SAW)控制的法布里-珀罗模式下,在全电控制前所未有的频率范围。THz QCL提供了一个理想的平台,在其上开发这样的设备,由于它们的增益恢复时间是适当的快,它们的层结构是理想的声子扰动,因为它们将允许单片集成与有源声子器件(SASER)在GaAs/AlGaAs材料系统。THz QCL是由利兹团队开创的一种成熟的激光技术,提供多瓦功率水平,并跨越~1至5 THz的光谱区域。由调制THz QCL激光源形成的通信链路已被提议作为军事和卫星通信系统以及包括数据中心在内的其他短程高吞吐量安全应用的理想候选者。然而,到目前为止,人们可以实现的最大调制速率被与THz QCL嵌入的电路相关联的RLC(电阻/电感/电容)时间常数限制在几GHz。在这里,我们将利用QCL能带结构的声学扰动来调制电子状态,从而控制皮秒时间尺度上的光输出,产生前所未有的100 GHz的调制带宽。然后,我们将使用这些发展来演示S-LASER,将THz QLC的概念与自振荡SASERs相结合。基于利兹和诺丁汉之间经过验证的实验和理论合作,并利用我们在THz器件和超快声学方面的世界领先的专业知识,我们将实验研究声波与THz QCL异质结构的相互作用。通过利用有限的太赫兹光子和声波的空间重叠,我们的工作将打开在太赫兹频率的强光-机械耦合的物理机制的探索。最近在10 GHz频率范围内研究了新的光声相互作用机制,但在这里,我们选择的系统将使操作频率增加三个数量级,从而实现新的物理,技术和应用。
项目成果
期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Surface acoustic wave effect on magnetic domain wall dynamics
- DOI:10.1103/physrevb.108.104420
- 发表时间:2023-09
- 期刊:
- 影响因子:3.7
- 作者:Jin Shuai;Luis Lopez-Diaz;J. E. Cunningham;Thomas A. Moore
- 通讯作者:Jin Shuai;Luis Lopez-Diaz;J. E. Cunningham;Thomas A. Moore
Acoustic band engineering in terahertz quantum-cascade lasers and arbitrary superlattices
太赫兹量子级联激光器和任意超晶格中的声带工程
- DOI:10.1103/physrevb.107.235411
- 发表时间:2023
- 期刊:
- 影响因子:3.7
- 作者:Demic A
- 通讯作者:Demic A
Guidance of Terahertz Wave over Commercial Optical Fiber
太赫兹波在商用光纤上的引导
- DOI:10.1109/irmmw-thz50926.2021.9566906
- 发表时间:2021
- 期刊:
- 影响因子:0
- 作者:Hong B
- 通讯作者:Hong B
The 2023 terahertz science and technology roadmap
- DOI:10.1088/1361-6463/acbe4c
- 发表时间:2023-06-01
- 期刊:
- 影响因子:3.4
- 作者:Leitenstorfer, Alfred;Moskalenko, Andrey S.;Cunningham, John
- 通讯作者:Cunningham, John
All-Electronic Phase-Resolved THz Microscopy Using the Self-Mixing Effect in a Semiconductor Laser
- DOI:10.1021/acsphotonics.0c01908
- 发表时间:2021-03
- 期刊:
- 影响因子:7
- 作者:P. Rubino;J. Keeley;N. Sulollari;A. Burnett;A. Valavanis;Imon Kundu;M. Rosamond;Lianhe H. Li
- 通讯作者:P. Rubino;J. Keeley;N. Sulollari;A. Burnett;A. Valavanis;Imon Kundu;M. Rosamond;Lianhe H. Li
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John Cunningham其他文献
Parathyroid sensing of the direction of change of calcium in uremia.
甲状旁腺感知尿毒症中钙的变化方向。
- DOI:
- 发表时间:
1993 - 期刊:
- 影响因子:19.6
- 作者:
Jonathan T.C. Kwan;Jeanette C. Beer;Kate Noonan;John Cunningham - 通讯作者:
John Cunningham
Ultra-brief intervention for problem drinkers: three-month follow-up results from a randomized controlled trial
- DOI:
10.1186/1940-0640-7-s1-a17 - 发表时间:
2012-10-01 - 期刊:
- 影响因子:3.200
- 作者:
John Cunningham - 通讯作者:
John Cunningham
441 SIMULATION OF THE “ADRENAL EXHAUSTION” PHENOMENON BY icv CRF
441 颅内室旁核 CRF 对“肾上腺疲劳”现象的模拟
- DOI:
10.1203/00006450-198504000-00471 - 发表时间:
1985-04-01 - 期刊:
- 影响因子:3.100
- 作者:
John Cunningham;Hans H Bode;Patricia Meara - 通讯作者:
Patricia Meara
Back to the future: a very brief history of brief interventions
- DOI:
10.1186/1940-0640-7-s1-a24 - 发表时间:
2012-10-01 - 期刊:
- 影响因子:3.200
- 作者:
Jim McCambridge;John Cunningham;Kypros Kypri - 通讯作者:
Kypros Kypri
Mineral metabolism and vitamin D in chronic kidney disease—more questions than answers
慢性肾脏病中的矿物质代谢与维生素 D——疑问多于答案
- DOI:
10.1038/nrneph.2011.53 - 发表时间:
2011-05-03 - 期刊:
- 影响因子:39.800
- 作者:
David J. A. Goldsmith;John Cunningham - 通讯作者:
John Cunningham
John Cunningham的其他文献
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{{ truncateString('John Cunningham', 18)}}的其他基金
The physics of plasmonic gain in low-dimensional electronic systems
低维电子系统中等离子体增益的物理学
- 批准号:
EP/R00501X/1 - 财政年份:2017
- 资助金额:
$ 127.28万 - 项目类别:
Research Grant
33rd International Conference on Machine Learning (ICML 2016)
第33届国际机器学习会议(ICML 2016)
- 批准号:
1630365 - 财政年份:2016
- 资助金额:
$ 127.28万 - 项目类别:
Standard Grant
Acoustoelectric Methods for the Generation Manipulation and Detection of THz Radiation
用于产生操纵和检测太赫兹辐射的声电方法
- 批准号:
EP/M01598X/1 - 财政年份:2015
- 资助金额:
$ 127.28万 - 项目类别:
Research Grant
TERANET: An EPSRC Network for UK researchers in terahertz science and technology
TERANET:英国太赫兹科学技术研究人员的 EPSRC 网络
- 批准号:
EP/M00306X/1 - 财政年份:2014
- 资助金额:
$ 127.28万 - 项目类别:
Research Grant
Northeast LSAMP Bridge to the Doctorate
东北LSAMP通往博士学位的桥梁
- 批准号:
1249283 - 财政年份:2012
- 资助金额:
$ 127.28万 - 项目类别:
Standard Grant
Major transitions in evolution: understanding the fossil evidence
进化的重大转变:了解化石证据
- 批准号:
NE/J018325/1 - 财政年份:2012
- 资助金额:
$ 127.28万 - 项目类别:
Fellowship
On-chip terahertz spectroscopy for characterisation of pharmaceutical polymorphs
用于表征药物多晶型物的片上太赫兹光谱
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EP/H007881/1 - 财政年份:2010
- 资助金额:
$ 127.28万 - 项目类别:
Research Grant
The physics and technology of low-dimensional electronic systems at terahertz frequencies
太赫兹频率低维电子系统的物理和技术
- 批准号:
EP/F029543/1 - 财政年份:2008
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$ 127.28万 - 项目类别:
Research Grant
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0503331 - 财政年份:2005
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$ 127.28万 - 项目类别:
Cooperative Agreement
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- 批准号:
0407458 - 财政年份:2004
- 资助金额:
$ 127.28万 - 项目类别:
Standard Grant
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