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MicroPL optical setup

Professor Robert Taylor

Emeritus Professor of Condensed Matter Physics

Research theme

  • Photovoltaics and nanoscience

Sub department

  • Condensed Matter Physics

Research groups

  • Quantum Optoelectronics
Robert.Taylor@physics.ox.ac.uk
Telephone: 01865 (2)72230
Clarendon Laboratory, room 246.1
orcid.org/0000-0003-2578-9645
  • About
  • Teaching
  • Positions available
  • Publications

Lasing in perovskite nanocrystals

Image of transverse modes from lasing nanocrystals
Nano Research, 14, 108, 2021

Sensors: Plasmonic Gas Sensing Using Nanocube Patch Antennas (Advanced Optical Materials 4/2016)

Advanced Optical Materials Wiley 4:4 (2016) 644-644

Authors:

Alexander W Powell, David M Coles, Robert A Taylor, Andrew AR Watt, Hazel E Assender, Jason M Smith
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Color depth modulation and resolution in Phase-Change Material nano-displays

Advanced Materials Wiley 28:23 (2016) 4720-4726

Authors:

Carlos Rios, Peiman Hosseini, Robert A Taylor, Harish Bhaskaran

Abstract:

Color modulation has been a topic of longstanding interest in science and engineering given its multiple applications in display technology, smart glass, security marks and active optical components.[1,2] Passive elements such as optical coatings employing a wide range of materials, multilayer configurations or structured films have been extensively used in optical systems to obtain a full range of colors and spectral windows in both reflective and transmissive devices.[1–6] Moreover, active materials with unique physical or chemical properties such as electrochromism,[7–9] piezochromism,[10] plasmonic effect,[11] photoluminescence[12,13] and volatile phase-change materials[14] have been exploited for color modulation purposes. The dynamic modulation of optical properties by such materials has given rise to remarkable resolution, low dimensionality and low energy operation of displays.[15] However, a combination of both, i.e. a device with high resolution featuring offline color retention while still allowing full-gamut modulation, had been elusive or had required external chemical agents[16] until recently, when an optoelectronic framework using nonvolatile nucleation dominated phase-change materials (PCMs) was proposed to fill this gap by employing Ge2Sb2Te5 (GST) as the active bistable component.[17]
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Gain spectroscopy of solution-based semiconductor nanocrystals in tunable optical microcavities

Advanced Optical Materials Wiley 4:2 (2016) 285-290

Authors:

Robin K Patel, Aurelien AP Trichet, David M Coles, Philip R Dolan, Simon M Fairclough, Marina A Leontiadou, SC Edman Tsang, David J Binks, Eunjoo Jang, Hyosook Jang, Robert A Taylor, Jason M Smith

Abstract:

The lasing behavior of solution-based colloidal quantum dots within an open microcavity is reported. The small size and wide tunability of the cavity provide single mode lasing over a wavelength range in excess of 25 nm. By extracting the lasing threshold and differential gain for the fundamental cavity mode over this spectral range, gain spectroscopy of the quantum dot solution is demonstrated. This new approach could help in the optimization of laser gain media and provides a way of constructing miniature laser arrays for on-chip integration.
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Spectroscopy: Gain Spectroscopy of Solution‐Based Semiconductor Nanocrystals in Tunable Optical Microcavities (Advanced Optical Materials 2/2016)

Advanced Optical Materials Wiley 4:2 (2016) 187-187

Authors:

Robin K Patel, Aurélien AP Trichet, David M Coles, Philip R Dolan, Simon M Fairclough, Marina A Leontiadou, SC Edman Tsang, David J Binks, Eunjoo Jang, Hyosook Jang, Robert A Taylor, Jason M Smith
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Observation of a Biexciton Wigner Molecule by Fractional Optical Aharonov-Bohm Oscillations in a Single Quantum Ring

Nano Letters American Chemical Society (ACS) 16:1 (2016) 27-33

Authors:

Hee Dae Kim, Rin Okuyama, Kwangseuk Kyhm, Mikio Eto, Robert A Taylor, Aurelien L Nicolet, Marek Potemski, Gilles Nogues, Le Si Dang, Ku-Chul Je, Jongsu Kim, Ji-Hoon Kyhm, Kyu Hyoek Yoen, Eun Hye Lee, Jun Young Kim, Il Ki Han, Wonjun Choi, Jindong Song
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