Top articles
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News & Views: Breaking the concentration barrier
In the July issue of Nature Nanotechnology, read the News & Views about our recent work by Prof. Philip Tinnefeld. "The combination of a plasmonic nanoantenna and a nanoaperture has merged fluorescence enhancement and spatial confinement to enable single-molecule...
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Introducing Nanoapertures
My present research is focused on the implementation of nanometric structures to enhance the contrasts (fluorescence, Raman) in optical microscopy. Two goals are aimed: 1- Fundamental Nanophotonics : understand the influence of nanometric structures on...
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French-Taiwanese symposium on Frontiers of Sciences
Back from the first French-Taiwanese symposium on Frontiers of Sciences, which was held in Taiwan from 25th to 29th of June this year. I’m very pleased to have attended this stimulating exchange. Taking some distance from the everyday’s lab work is always...
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Latest paper published : microspheres for fluorescence detection
Just published in September 1 issue of Analytical Chemistry : Disposable Microscope Objective Lenses for Fluorescence Correlation Spectroscopy Using Latex Microspheres An inexpensive low numerical aperture lens is used instead of a costly conventional...
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Next conference : European Optical Society Annual Meeting
Paris September 29th – October 2nd, several talks related to my work are planned : 09/29 TOM1 12:50 : J. Wenger et al “Dielectric microspheres to enhance single molecule fluorescence detection” 10/01 TOM4 13:50 : P. Ferrand et al “Direct observation of...
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Several PhD & PostDoc Positions Nano-Opics
The Institut Fresnel is a research state laboratory based in Marseille / France, devoted to research and higher education in all areas of optical and photonic sciences. The Institut Fresnel is seeking to recruit talented, enthusiastic young scientists...
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Latest paper published: Qdots on nanoantennas
Check out in the August issue of ACS Nano, a paper in collaboration with the Weizmann Institute of Science on the use of colloidal quantum dots to probe the local field enhancement on photonic antennas. Plasmonic nanoantennas constitute a very active...
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Job offers Nanophotonics
PhD and postdoc positions in both experimental and theoretical nano-optics are still open. Full info on the different projects and application procedure, click here. Key benefits from Fresnel - Marseille: * ambitious innovative research, projects were...
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Surface enhanced fluorescence
A certain fraction of the visits paid to my blog every month come here through searching for surface-enhanced fluorescence. So I guess writing up a few words about this effect isn't totally useless... Surface-enhanced fluorescence deals with the improvement...
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World's smallest FCS apparatus
My group has recently developed an integrated system for compact and portative single molecule fluorescence analysis without using any microscope or microscope objective. The system is based on our patented technology based on a glass microsphere at the...
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Training project / Internship / PhD position nanophotonics
Currenly open is a position for undergraduate internship training project working on nanophotonics for advanced fluorescence sensing and single molecule detection. More details are given here. Relevant candidates have a physics, biophysics or engineering...
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Top Gun Day is May 13th !!
Forget about administrative work, prepare yourself for the next Top Gun Day coming up next Friday. What is Top Gun Day ? Check the original TGD website. Top Gun quotes to insert in your next (scientific) conference talk : "The further on the edge, the...
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Latest paper: Weierstrass factorization in nanophotonics
Optimizing the resonant properties of complex optical antennas is often a complex and time-consuming task. To ease the computational process and provide physical guidelines to the design optimization, we introduced in a publication in Physical Review...
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Dive into a single nanoaperture
Metal subwavelength apertures have turned into essential devices to manipulate light at the nanoscale. However, experimentally characterizing the amplification brought by the nanoaperture on the excitation intensity remains a scientific and technical...
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Photonic engineering of fluorescent dyes
The development of bright water-soluble luminescent probes is a ubiquitous problem in imaging and sensing applications. Designing fluorescent dyes typically relies on a molecular engineering approach in which photophysical properties are tuned by chemical...
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Jerome Wenger receives the Branly Prize 2011
Edouard Branly in his office, circa 1932 80 years later... JW in Edouard Branly's office, after the Branly prize award. See the funny detail in the painting by Branly's daughter, you can see Branly taking Zeus lightnings Edouard Branly's intruments have...
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New book released !
Ultimate geekiness: my Phd thesis has been turned into a real book, that is now available online via amazon or morebooks. To make it short: I didn't pay anything to the editor, the editor did a great job (positive feedback), I don't get any money from...
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Excitation Enhancement of a Quantum Dot Coupled to a Plasmonic Antenna
Check our work recently published online at the Advanded Materials website. For the first time, we investigate experimentally the luminescence enhancement of a single quantum dot deterministically coupled to a plasmonic gap antenna. We also provide the...
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Next conference: NanoLight 2014 Benasque
Petru, Juan and Jerome will attend the NanoLight 2014 conference in Benasque during the first week of March. They will give one talk and three poster contributions: Plasmonic enhanced fluorescence energy transfer Enhanced fluorescence emission from resonant...
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Plasmonic antennas and zero mode waveguides review
We have recently published a review paper about plasmonic antennas and zero mode waveguides (nanoapertures) to enhance the detection and analysis of fluorescent molecules. Single molecule spectroscopy techniques, FRET and FCS can greatly benefit from...
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Jerome Wenger is awarded the Branly Prize 2011
The Branly prize is designed in memory of Edouard Branly to highlight a young researcher working on waves and their applications. It is currently managed by the Edouard Branly association, the French Society of Physics SFP, the French Society of Optics...
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Open PhD positions Europhotonics nanophotonics biophotonics France
Got the guts? Get the glory: only a few days are left before the application deadline for the PhD grants offered by the Erasmus Mundus Europhotonics doctorate program. There are several PhD positions at the Fresnel Institute in Marseille France. Get this...
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In the magazine: portable single molecule fluorescence sensor
Following up with the story of the smallest single molecule detection apparatus ever, and first portable FCS system with true single molecule routine sensitivity, my team has recently published a technical note in the Spectra Analyse magazine. This is...
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Latest paper published : adhesion layer influence in ACS Nano
Our latest paper was released on the July 28 issue of ACS Nano. A nanoscale layer of chromium or titanium is commonly used in plasmonic nanoantennas to firmly adhere a gold film to a glass substrate, yet the influence of this layer on the antenna performance...
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OMNT article selection
This trimester’s selection is pretty short (sorry, I’m in a rush to finish several research projects). I pointed out a contribution of Jordan Gerton’s team in Optics Express : http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-9-6183 The papers points...
