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So far Lauren Mason has created 237 blog entries.

Congratulations to Charlie Bevis for Receiving a Marie Skłodowska-Curie Individual Fellowship (MSCA-IF)

The European Commission will support a total of 1156 experienced post-doctoral researchers with €242 million to work at top universities, research centres, private organisations and small and medium-sized enterprises in Europe and the rest of the world. The European Research Executive Agency (REA) received 8356 applications for this call. The Commission will award €206 million to 1025 researchers through European Postdoctoral Fellowships, allowing them to carry out their projects in the EU or countries associated to Horizon Europe. The action provides support to excellent individual researchers to implement an original and personalized research project, while developing their skills through advanced training, international, interdisciplinary and inter-sectoral mobility.

Multimodal and Dynamic Microscopy on Perovskite Semiconductors

Uncovering structure/function relationships in condensed phase electronic materials is increasingly important for applications from solar energy to quantum optoelectronics. In this talk, we will explore multimodal microscopy to the role of microscopic heterogeneity and defects in emerging semiconductors, focusing on halide perovskites as a system that is not only technologically important, but also scientifically challenging. Halide perovskites are soft, and easily damaged by low doses of electrons. They are also complicated mixed conductors, exhibiting electronic and ionic relaxation dynamics that vary across many orders of magnitude in time and space. To probe these systems, we combine hyperspectral optical spectroscopy, electron microscopy, scanning probe microscopy, and data science tools to understand and control defects for applications in photovoltaics, showing how surface and grain boundary passivation enables the growth of films that approach thermodynamic efficiency limits for performance, while also problem the role of processing additives on microstructure and performance.

Congratulations to Heather Lewandowski for Being Designated as a CU President’s Teaching Scholar

The University of Colorado President’s Teaching Scholars Program recognizes CU faculty who skillfully integrate teaching and research at an exceptional level. The title of President’s Teaching Scholar recognizes excellence in and commitment to learning and teaching, as well as active, substantial contributions to scholarly work. President Saliman solicits annual nominations of faculty across the four campuses for the designation, which is a lifetime appointment.

Vibrational exciton nanoscopy: a quantum molecular ruler to probe functional materials on their elementary scales

Properties and functions of molecular materials often emerge from intermolecular interactions and associated nanoscale structure and morphology. However, defects and disorder disturb the performance of, e.g., molecular electronic or photonic materials. We address these outstanding problems in several novel combinations of spatio-spectral and spatio-temporal infrared nano-imaging. In this talk I will give an overview of these new developments with a focus on intermolecular coupling induced molecular wavefunction delocalization and its disturbance through structural disorder. This provides for a molecular ruler to imagine structure, coupling, and dynamics of elementary processes on their elementary nanometer-femtosecond scales. I will further demonstrate how Purcell-enhanced and strongly coupled vibrational light matter interactions provide for new modalities in molecular nano-metrology and -sensing. I will conclude with a perspective how these novel quantum-enhanced modalities provide for qualitatively novel functional imaging as new tools to guide molecular device fabrication with improved performance.

Postdoc Positions in Deep Tissue Imaging with cumulative coherent nonlinear scattering at Colorado State University

Postdoc positions available at the school of biomedical engineering at Colorado state University. Salary is $70K annually.

We are seeking two postdoctoral applicants to work on a CZI-funded project for ultra deep nonlinear imaging inside of biological tissues. This work builds on a recently demonstrated second harmonic generation (SHG) holographic tomography ( that will be combined with coherent reflection matrices to enable SHG imaging at unprecedented depths. Postdocs will also be actively involved in the CZI deep tissue imaging team.

About CSU and Fort Collins
Applicant requirements

Application process
Successful candidates must have a Ph.D. in Optics, Physics, Engineering, or related field. Candidates with or motivated to learn the following skills are strongly encouraged to apply:
— Experience or a strong interest in light propagation in highly scattering media, with a particular focus on transmission and reflection matrices
— Experience or a strong interest in construction of multiphoton microscopes, nonlinear optics, and ultrafast lasers
— Experience or a strong interest in imaging deep inside of biological tissues Colorado State University is an Equal Opportunity Employer

CSU is a leading research institution. CSU is located in the city of Fort Collins, near the Rocky Mountains. Fort Collins is often named America’s “Best Place to Live,” including in 2020 by Fort Collins enjoys an average of 300 days of sunshine per year, moderate winters, and a mild climate year-round.

Review of applications starts immediately and the positions will remain open until successful candidates have been found. To apply, interested applicants should forward their CV including a
publication list, contact details of three reference writers and a one-page description of their experience and research interests related to this position. For more information and for applying, please contact Randy Bartels directly (

Postdoctoral positions in Molecular Quantum Optics at Max Planck Institute for the Science of Light in Erlangen, Germany

Postdoctoral positions are now available in the Nano-Optics division of the Max Planck Institute for the Science of Light (MPL) in Erlangen, Germany. You will be embedded in a dynamic interdisciplinary group at a world-leading research institute with excellent resources such as state-of-the-art mechanical and electronic workshops and a high-end nanofabrication cleanroom.

The overarching goal in a number of exciting projects is to understand and control the interaction of quantum emitters, in particular organic molecules, with their nanoscopic environment and with each other. To do this, we explore and employ a wide range of phenomena, involving the optical near field, phononic couplings as well as long-range photonic interactions in integrated nanocircuits. For more information about the activities of MPL and the Nano-Optics group please consult a sample of our publications [1-6] and website at:

We seek highly motivated candidates with a strong scientific background and hands-on experience in physics or physical chemistry. Mastery of at least one of the following research areas is highly desirable:
• Laser spectroscopy
• Atomic and molecular physics
• Quantum optics
• Condensed matter physics
• Optomechanics
• Quantum information science
• Optical microscopy

In addition, candidates should enjoy team work. Programing skills (e.g., Matlab, Python, LabView), advanced knowledge of electronics, cryogenic experience, and excellent organizational and communication skills are also advantageous. The position will be funded for two years with an option for extension up to five years. Application material should include 1) curriculum vitae, 2) motivation letter, 3) university grades, 4) list of publications, and 5) names of three individuals who could send a letter of recommendation. Applications should be sent to

The Max Planck Society strives for gender and diversity equality. We welcome applications from all backgrounds. Furthermore, the Max Planck Society is committed to increasing the number of individuals with disabilities in its workforce and therefore encourages applications from such qualified individuals.

[1] A. Pscherer, et al, Phys. Rev. Lett., 127, 133603 (2021); [2] C. Toninelli, et al, Nature Materials 20, 1615
(2021); [3] V. Sandoghdar, Nano Lett. 20, 4721 (2020); [4] D. Wang, et al, Nature Physics 15, 483-489 (2019); [5]
A. Maser, et al, Nature Photonics 10, 450 (2016); [6] R. Lettow, et al, Phys. Rev. Lett. 104, 123605 (2010).

New forms of computational tomographic and super-resolution imaging

Conventional optical microscopy focuses on designing optical systems to faithly replicate an image of a magnified object to reveal very small spatial features. Image quality, and thus the ability to observe small spatial features, is limited by the ability to form high quality images for widefield microscopy, or for focusing to the smallest possible spot for laser scanning microscopy. Computational imaging can sidestep such limitations by taking into account a model of the image process, and this way computational imaging is able to produce high resolution imaging with a greater flexibility for optical systems. I will provide an overview of several recent results on computational imaging from my group: 1) three dimensional widefield second harmonic generation tomographic imaging based in defocused illumination, 2) tomographic fluorescent imaging by mimicking coherent light propagation, and 3) saturated super deconvolution microscopy.

Congratulations to Quynh Nguyen for Being Awarded the Stanford Q-FARM Bloch Postdoc Fellowship

Q-FARM (Quantum Fundamentals, ARchitectures and Machines) is Stanford’s initiative in quantum science and engineering. The QFARM student fellowships are awarded to advanced graduate students working in quantum science and engineering. Fellowship criteria are excellence in their research, and demonstrated potential for building new links within the Stanford quantum community. Each awardee receives two years of funding.

Congratulations to Anne-Barrie Hunter for Being Promoted to Senior Research Associate in Ethnography & Evaluation Research at CU Boulder

Anne-Barrie Hunter has been promoted to Senior Research Associate within Ethnography & Evaluation Research at CU Boulder. Ethnography & Evaluation Research (E&ER) is an independent research unit at the University of Colorado Boulder. E&ER is skilled in conducting and disseminating research and evaluation that is useful for faculty and institutions seeking to improve their STEM education practices. Congratulations, Anne-Barrie!

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