Patrick Parkinson - Physics · Strategy

Stefan Skalsky thesis submission

Congratulations to lab member Stefan Skalsky, who submitted his PhD thesis today. He work, entitled “Interferometric Time-correlated Single Photon Counting for Nano-optoelectronic Characterisation” covers his research on the i-TCSPC tool.

big-data for nano-electronics

Postdoctoral Research Position Available: Big-Data for Nano-Electronics

A 2-year postdoctoral position is available in the group to work on data acquisition and analytics pipeline on the big-data for nano-electronics project. The post has the potential to be extended to 4 years. The successful candidate will apply statistical approaches to large-scale data produced by high-throughput spectroscopy and imaging

ANU

New Paper: Carrier dynamics and recombination mechanisms in InP twinning superlattice nanowires

A new paper has been published in Optics Express, led by collaborator Xiaoming Yuan at Central South University (Changsha) and growth colleagues in the group of Prof. Jagadish at Australian National University. In this work, novel “twinning-superlattice” nanowires are grown. Once passivated, this growth method produces extremely high quality nanowires,

big-data for nano-electronics

Seminar : LIV.DAT

Patrick gave a virtual seminar at Liverpool Big Data Science Centre for Doctoral Training (LIV.DAT) on “Big-data for nano-electronics“. Thanks to Prof. Carsten Welsch for the invitation!

Hoyeon Choi

New Paper: Visualizing the role of photoinduced ion migration on photoluminescence in halide perovskite grains

Group student Hoyeon has had a paper accepted in the RSC Journal of Materials Chemistry C, studying the photo-brightening effect in perovskite grains using correlated optical and chemical mapping. In collaboration with the Flavell group and the NanoSIMS group at Manchester, this study linked luminescence lifetime and emission energies to

Fellowship

New Project: Big-Data for nano-electronics

Patrick has been awarded a 4-year research fellowship from UKRI for a project on “big-data for nano-electronics”. This Future Leaders Fellowship will enable Patrick to focus on building a research group to develop a new methodology for accelerating the study of functional nanotechnology. Project Summary The modern world runs on

Hoyeon Choi

Conference Proceedings: Spatially and temporally resolved degradation in antisolvent treated perovskite films

Group PhD student Hoyeon Choi has had a conference proceedings accepted for SPIE Europe 2020. As this conference has been cancelled, his talk is available throught the SPIE Digital Form. In his work, Hoyeon describes the application of confocal and time-resolved spectral mapping to study and understand photobrightening and degradation

Huiyun Liu

New Paper: Heterostructure and Q-factor engineering for low-threshold and persistent nanowire lasing

Group PhD student Stefan Skalsky’s paper on semiconductor nanowire lasing has just been published in Light: Science and Applications. In this new work, Stefan used his newly developed Interferometric Time-Correlated Single Photon Counting system (i-TCSPC) to measure the coherence length of laser emission from nanowires grown by the Liu

Arturo Alanis

PhD Viva: Arturo

Arturo Alanis (the first PhD student of the group) had a successful PhD viva today. His thesis examiners were Dr Hannah Joyce (Cambridge) and Dr Jessica Boland (Manchester). Arturo has already secured a postdoctoral position to start in a few weeks; we’ll be sad to see him go, but

Import 2022-12-08 21:42

Photonics West 2020 - presentation and proceedings

The talk and proceedings for Patrick’s recent invited talk at Photonics West is now available online. “A needle in a needlestack” describes how our recent work on Manchester on inhomogeneity can provide more information about functional performance than a homogeneous population can. Reference: A needle in a needlestack: exploiting

Huiyun Liu

New arXiv paper: Defect-Free Axial GaAs/GaAsP Nanowire Quantum Dots with Strong Carrier Confinement

We have uploaded a new paper on quantum-dot-in-nanowire structures to the arXiv. Working with colleagues at University College London, the University of Warwick, the University of Sheffield and the University of Copenhagen, this work demonstrates the growth of high-quality GaAs quantum dot inclusions in a GaAsP nanowire, with evidence for

invited talk

Invited Talk at Photonics West 2020

Patrick gave an invited talk at Photonics West 2020 in San Francisco, in the session Novel Nano Structure. This talk convered recent work on ultra-low threshold nanowire lasers and experimental end-cavity reflectivity measurements in nanoscale systems.

Antonio Hurtado

New Paper: Characterisation, Selection and Micro-Assembly of Nanowire Laser Systems

Our collaborative work on the selection, transfer and testing of semiconductor nanowire lasers has now been published in Nano Letters. In this work, growth colleagues at ANU prepared nanowire lasers which were characterised at Manchester. This characterisation was used to select bins of nanowires, which were transferred using a cutting

Jenny Clark

Seminar at the University of Sheffield

Patrick gave a seminar at the University of Sheffield, where he was kindly hosted by Dr Jenny Clark of the Department of Physics and the Sheffield Laser Lab. He spoke about exploiting functional inhomogeneity for optimizing nano-optoelectronics, and learnt a lot about ultrafast spectroscopy for singlet fission.

Antonio Hurtado

New arXiv paper - Characterisation, Selection and Micro-Assembly of Nanowire Laser Systems

Our new paper produce in collaboration with Michael Strain and Antonio Hurtado (University of Strathclyde) and the Jagadish group (Australian National University) is now available on the arXiv. In this work, we combine high-quality nanolaser growth (ANU) with high-throughput optical spectroscopy (Manchester) and high-speed pick-and-place technology (Strathclyde) to demonstrate scaled-up

Import 2022-12-08 21:42

Photonics Online Meetup

The OMS group will host the University of Manchester hub for the Photonics Online Meetup. This is the first free, online-only photonics conference, to be held from 7pm-midnight on Monday 13th January 2020. Any staff or students who wish to attend should contact Patrick Parkinson.

Arturo Alanis

Conference Talk: Arturo at MRS Fall

Group PhD student Arturo has given a talk at MRS Fall 2019 in Boston. He spoke on “Nanolaser Optimization through Statistical Optoelectronic Analysis“.

Jack Chun-Ren Ke

Viva in Manchester

Patrick was the internal examiner for (Jack) Chun-Ren Ke, a student in the group of Prof. Wendy Flavell who has worked on surface science of hybrid-perovskite optoelectronic materials. The external examiner was Prof. Sven Schroeder of the University of Leeds.

Ahsan Nazir

Viva in Manchester

Patrick was the internal PhD examiner for Henry Maguire in the Nazir group at the University of Manchester. Henry submitted his thesis on “Optically driven nanostructures with strong vibronic coupling“, and Dr Alex Chin was the external examiner.

Akshay Rao

Viva in Cambridge

Patrick was the external examiner for Limeng Ni, a PhD student in the group of Akshay Rao at the University of Cambridge. Limeng was examined on her thesis exploring energy transfer in 2D perovskite materials, nanoparticles, and lanthenide-containing materials with a focus on singlet fission and triplet-triplet annihilation.

Nanowires

University of Oxford Condensed Matter Physics Seminar

Patrick gave the Oxford Condensed Matter Physics seminar on A needle in a needlestack – exploiting functional inhomogeneity for optimized nano-optoelectronics. In this talk, he presented on recent advances in using high-throughput spectroscopy to study nanowires for optoelectronic applications.

Louise Natrajan

Welcome to Matthew Thornton

A welcome to Matthew Thornton, a new PhD student on a BBSRC-DTP project led by Dr. Louise Natrajan (Chemistry) and co-supervised by Dr Sam Hay (MIB) and Patrick. Matthew’s project on “Photon Upconversion Probes with Lanthanide Containing Biomolecules” includes rotations working in Chemistry, the Photon Science Institute and the

Group Photo

Hard work in the lab

After a hard day of installing new laser shields, the group were looking forward to… another day of lab shield installation

Nanowires

Collaborator visit to Sheffield

Ruqaiya and Patrick visited Prof. David Mowbray at the University of Sheffield to discuss nanowire spectroscopy research.

Import 2022-12-08 21:42

New Paper - Effect of size on the luminescent efficiency of perovskite nanocrystals

A new paper led by groups at Cambridge has been published in ACS Applied Energy Materials. In this work, a combination of nanoscale cathodoluminescence and time- and energy-resolved photoluminescence is used to reveal energy dynamics in colloidal perovskite nanocrystals. These techniques relate trap density and Auger effects to stoichiometry and

Patrick Parkinson - Physics · Strategy · Innovation