Quantum Optics and Single Photon Transduction in Insect Eyes
David Wilby, Alberto Peruzzo, Natasha Mhatre +6 more
Event Abstract Back to Event Quantum Optics and Single Photon Transduction in Insect Eyes David Wilby1, 2, 3*, Alberto Peruzzo2, Natasha Mhatre1, Graham D. Marshall2, John Rarity4, Jeremy L. O'Brien2, Daniel Robert1, Nicholas W. Roberts1* and Ruth Oulton2, 4 1 University of Bristol, School of Biological Sciences, United Kingdom 2 University of Bristol, School of Physics, United Kingdom 3 University of Bristol, Centre for Nanoscience and Quantum Information, United Kingdom 4 University of Bristol, Electrical and Electronic Engineering, United Kingdom Photon absorption is the primary event in vision. Whilst the sensitivity of an eye is governed by a number of factors, one of the most fundamental is the quantum efficiency of the photon absorption. Previous measurements have investigated whether insect retinal cells are capable of detecting single photons1. The results suggest a process of photon counting in the individual rhabdom and high quantum efficiencies (for example 60% in Locusta migratoria1). However the Poissonian distribution of photons means that single photons cannot be guaranteed, and therefore these earlier works have not allowed and deterministic verification of single photon transduction events. Modern day quantum photonics experiments widely use non-classical light sources, such as spontaneous parametric down-conversion (SPDC) heralded photon sources. This source produces a pair of photons, and therefore is guaranteed to deliver exactly one photon to a target whenever its twin ‘herald’ photon is detected2. Here we present measurements towards an experiment using a SPDC source to investigate single photon transduction in the locust (L. migratoria). We report characterising measurements of single photon transduction and detail the proposed application of a non-classical light source in visual neuroscience. This offers new possibilities in the characterisation and investigation of the first step in visual transduction in insect photoreceptors. Figure 1. The ‘quantum bump’ response to single photon absorption in the photoreceptor. Figure 1 References 1.P.G. Lillywhite, J. Comp. Physiol. 122, 189-200 (1977). 2. D.C. Burnham, D.L. Weinberg, Phys. Rev. Lett. 25, 84-87 (1970). Keywords: Transduction, Quantum Photonics, quantum efficiency, Locusta migratoria, single photon Conference: International Conference on Invertebrate Vision, Fjälkinge, Sweden, 1 Aug - 8 Aug, 2013. Presentation Type: Poster presentation preferred Topic: Transduction, signalling and coding Citation: Wilby D, Peruzzo A, Mhatre N, Marshall GD, Rarity J, O'Brien JL, Robert D, Roberts NW and Oulton R (2019). Quantum Optics and Single Photon Transduction in Insect Eyes. Front. Physiol. Conference Abstract: International Conference on Invertebrate Vision. doi: 10.3389/conf.fphys.2013.25.00061 Copyright: The abstracts in this collection have not been subject to any Frontiers peer review or checks, and are not endorsed by Frontiers. They are made available through the Frontiers publishing platform as a service to conference organizers and presenters. The copyright in the individual abstracts is owned by the author of each abstract or his/her employer unless otherwise stated. Each abstract, as well as the collection of abstracts, are published under a Creative Commons CC-BY 4.0 (attribution) licence (https://creativecommons.org/licenses/by/4.0/) and may thus be reproduced, translated, adapted and be the subject of derivative works provided the authors and Frontiers are attributed. For Frontiers’ terms and conditions please see https://www.frontiersin.org/legal/terms-and-conditions. Received: 28 Feb 2013; Published Online: 09 Dec 2019. * Correspondence: Mr. David Wilby, University of Bristol, School of Biological Sciences, Bristol, BS8 1UG, United Kingdom, drdavidwilby@gmail.com Dr. Nicholas W Roberts, University of Bristol, School of Biological Sciences, Bristol, BS8 1UG, United Kingdom, nicholas.roberts@bristol.ac.uk Login Required This action requires you to be registered with Frontiers and logged in. To register or login click here. Abstract Info Abstract The Authors in Frontiers David Wilby Alberto Peruzzo Natasha Mhatre Graham D Marshall John Rarity Jeremy L O'Brien Daniel Robert Nicholas W Roberts Ruth Oulton Google David Wilby Alberto Peruzzo Natasha Mhatre Graham D Marshall John Rarity Jeremy L O'Brien Daniel Robert Nicholas W Roberts Ruth Oulton Google Scholar David Wilby Alberto Peruzzo Natasha Mhatre Graham D Marshall John Rarity Jeremy L O'Brien Daniel Robert Nicholas W Roberts Ruth Oulton PubMed David Wilby Alberto Peruzzo Natasha Mhatre Graham D Marshall John Rarity Jeremy L O'Brien Daniel Robert Nicholas W Roberts Ruth Oulton Related Article in Frontiers Google Scholar PubMed Abstract Close Back to top Javascript is disabled. Please enable Javascript in your browser settings in order to see all the content on this page.
Frontiers in Physiology•Jan 1, 2013•0 citations