Ultra-Stable High-Performance Nanolasers

超稳定高性能纳米激光器

• 批准号: EP/P006027/1
• 负责人: Alan Shore
• 金额: $ 49.69万
• 依托单位: Bangor University
• 依托单位国家: 英国
• 项目类别: Research Grant
• 财政年份: 2017
• 资助国家: 英国
• 起止时间: 2017 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=EP%2FP006027%2F1
• 关键词: Ultra; Stable; Performance; Nanolasers

2015 was designated by the United Nations as the 'International Year of Light and Light-Based Technologies'. World-wide activities during the year highlighted the importance of photonics in industry, health care and education. Those activities - strongly supported by the UK - has led strong credence to the claim that photonics is the key technology of the 21st century. During the 20th century the UK delivered key advances in photonics technology including the development of low-loss optical fibres, pioneering work in semiconductor laser development and the invention of optical fibre amplifiers. That inventiveness is the foundation of optical fibre communications whose maturity has enabled year-on-year growth in data traffic including web-based products and services. The internet already consumes in excess of 5% of the world's electricity and is projected to consume 10% of that capacity very soon. As it is expected that growth in internet traffic will continue it is apparent that the demands placed on electricity sources could become unsustainable. Moreover, due to delays in decisions on the provision of new electricity generation capacity as well as vacillations in policy in respect of renewable energy sources, the UK is particularly vulnerable to excessive demands on electricity: the safety margin for generation has in the past few years declined from 15% in 2011/12 to a predicted 5% in 2015/16. The UK therefore has a particular need to advance technologies which will relieve demands on electricity usage. Photonics is such a technology and, specifically, the adoption of optical switching within compact photonic integrated circuits (PICs) will effect a dramatic reduction in electricity consumption: 40% of the internet electricity consumption is due to core switching operations. One of the key requirements to achieving PICs is to miniaturize photonic components down to the nanometer scale, for instance, nanolasers. In this case, the bottleneck that must be overcome is due to the diffraction limit of light, namely, ~l/2n limiting the minimal dimensions of a laser cavity, where l and n are the free space wavelength and refractive index, respectively. It is also crucial to minimise energy consumption while using optical sources such as lasers for such compact PICs, and thus a laser with a very low threshold is essential. The use of surface plasmon polarition (SPP) modes excited at the metal dielectric interface offers a means for device size reduction down to the sub-wavelength range. The project will combine the expertise in simulation, design and testing of advanced nanolasers at Bangor, and the established epitaxial growth and advanced nanofabrication of GaN based optoelectronics at Sheffield to develop the first GaN based electrically-pumped single nanolasers. Building on analysis of stand-alone single nanolasers, it will be demonstrated that optimized nanolasers can be configured such that they remain immune to instabilities when subject to external optical influences. Such stability makes nanolasers ideal candidates for incorporation in complex photonic integrated circuits. This project will contribute to developing future photonic technologies which underpins the operation of the internet, Smart Phone and Tablet usage, satellite communications/GPS, Direct Broadcast TV, energy efficient solid state lighting, efficient solar power generation, consumer electronics, high capacity communications networks and data storage, advanced healthcare and ground-breaking biotechnology.

2015年被联合国定为“国际光和光基技术年”。在这一年里，世界范围的活动突出了光子学在工业、保健和教育方面的重要性。这些活动--得到了英国的大力支持--使人们强烈相信光子学是21世纪世纪的关键技术。在世纪，英国在光子技术方面取得了重大进展，包括低损耗光纤的开发、半导体激光器开发方面的开创性工作以及光纤放大器的发明。这种创造性是光纤通信的基础，光纤通信的成熟使得数据流量（包括基于网络的产品和服务）逐年增长。互联网已经消耗了全球5%以上的电力，预计很快将消耗10%的电力。由于预计互联网流量将继续增长，显然对电力资源的需求可能变得不可持续。此外，由于提供新发电容量的决定延迟以及可再生能源政策的摇摆不定，英国特别容易受到过度电力需求的影响：过去几年发电的安全裕度从2011/12年度的15%下降到2015/16年度的5%。因此，英国特别需要推进技术，以减轻对电力使用的需求。光子学就是这样一种技术，具体来说，在紧凑型光子集成电路（PIC）中采用光交换将大大减少电力消耗：40%的互联网电力消耗是由于核心交换操作。实现PIC的关键要求之一是将光子元件微化到纳米尺度，例如纳米激光器。在这种情况下，必须克服的瓶颈是由于光的衍射极限，即限制激光腔的最小尺寸的~l/2n，其中l和n分别是自由空间波长和折射率。对于这种紧凑型PIC，在使用激光器等光源时，最大限度地减少能耗也至关重要，因此具有非常低阈值的激光器是必不可少的。使用在金属电介质界面处激发的表面等离子体激元极化（SPP）模式提供了用于将器件尺寸减小到亚波长范围的手段。该项目将结合联合收割机在模拟，设计和测试先进的纳米激光器在班戈尔的专业知识，并建立外延生长和先进的GaN基光电子学纳米纤维在谢菲尔德开发第一个GaN基电泵浦单纳米激光器。基于对独立单纳米激光器的分析，将证明优化的纳米激光器可以被配置为使得它们在受到外部光学影响时保持不稳定性。这种稳定性使得纳米激光器成为复杂光子集成电路的理想候选者。该项目将有助于开发未来的光子技术，支持互联网的运行，智能手机和平板电脑的使用，卫星通信/GPS，直播电视，节能固态照明，高效太阳能发电，消费电子产品，高容量通信网络和数据存储，先进的医疗保健和突破性的生物技术。

项目成果

All-Optical Comparator With a Step-Like Transfer Function

具有阶跃传递函数的全光比较器

• DOI: 10.1109/jlt.2017.2766673
• 发表时间: 2017-12
• 期刊: J Lightwave Technology
• 作者: Pu Li;Luxiao Sang;Dongliang Zhao;Yuanlong Fan;K Alan Shore;Yuncai Wang;Anbang Wang
• 通讯作者: Anbang Wang

Numerical Investigation on Feedback Insensitivity in Semiconductor Nanolasers

• DOI: 10.1109/jstqe.2019.2899765
• 发表时间: 2019-02
• 期刊: IEEE Journal of Selected Topics in Quantum Electronics
• 影响因子: 4.9
• 作者: Yuanlong Fan;Yanhua Hong;Pu Li

Low Threshold Gain Visible Semiconductor Nanolasers

低阈值增益可见光半导体纳米激光器

• DOI: 10.1109/ipcon.2019.8908279
• 发表时间: 2019
• 作者: Fan Y

Ultrashort pulse generation in a semiconductor laser with strong coherent optical feedback

• DOI: 10.1049/iet-opt.2018.5010
• 发表时间: 2019-02
• 期刊: IET Optoelectronics
• 影响因子: 1.6
• 作者: Iet Optoelectronics;Yuanlong Fan;K. A. Shore;Yanhua Hong

Self-balanced real-time photonic scheme for ultrafast random number generation

• DOI: 10.1063/1.5029498
• 发表时间: 2018-05
• 期刊: APL Photonics
• 影响因子: 5.6
• 作者: Pu Li;Yanqiang Guo;Yanqiang Guo;Yuanlong Fan;Xiaomin Guo;Xianglian Liu;K. Shore;E. Dubrova;Bingjie Xu;Yuncai Wang;Anbang Wang