ORC Nanophotonics & Metamaterials Group
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Dr. Tapashree Roy
Former Project
Nanoscope - super-resolution optical imaging
Short CV
Tapashree received Bachelor of Science (Physics) in 2005 and Bachelor of Technology (Radio Physics & Electronics) in 2008, both from the University of Calcutta, India.
She had been doing research on radio frequency left handed metamaterials in the University of Calcutta between 2008 and 2010.
Tapashree joined the Optoelectronics Research Centre, University of Southampton as a PhD student in July 2010. She has been awarded the prestigious EPSRC Doctoral Prize Fellowship in 2014.
Her research interests at the time were in super-resolution microscopy, electromagnetic metamaterials, phase change memory devices and non-linear optics.
Personal homepage
tapashree roy
Joint Articles
- Planar super-oscillatory lens for sub-diffraction optical needles at violet wavelengths
G. Yuan, E. T. F. Rogers, T. Roy, G. Adamo, Z. Shen, and N. I. Zheludev
Sci. Rep. 4, 6333 (2014) doi: 10.1038/srep06333 - pdf - Point spread function of the optical needle super oscillatory lens
T. Roy, E. T. F. Rogers, G. Yuan, and N. I. Zheludev
Appl. Phys. Lett. 104, 231109 (2014) doi: 10.1063/1.4882246 - pdf - 1.7 Gbit/inch2 gray-scale continuous-phase-change femtosecond image storage
Q. Wang, J. Maddock, E. T. F. Rogers, T. Roy, C. Craig, K. F. MacDonald, D. W. Hewak and N. I. Zheludev
Appl. Phys. Lett. 104, 121105 (2014) doi: 10.1063/1.4869575 - pdf - Flat super-oscillatory lens for heat-assisted magnetic recording with sub-50nm resolution
G. Yuan, E. T. F. Rogers, T. Roy, Z. Shen, and N. I. Zheludev
Opt. Express 22(6), 6428 (2014) doi: 10.1364/OE.22.006428 - pdf - A meta-diffraction-grating for visible light
T. Roy, A. E. Nikolaenko and E. T. F. Rogers
J. Opt. 15 085101 (2013) doi: 10.1088/2040-8978/15/8/085101 - Sub-wavelength focusing meta-lens
T. Roy, E. T. F. Rogers, and N. I. Zheludev
Opt. Express 21(6), 7577 (2013) doi: 10.1364/OE.21.007577 - pdf - Super-oscillatory optical needle
E. T. F. Rogers, S. Savo, J. Lindberg, T. Roy, M. R. Dennis, and N. I. Zheludev
Appl. Phys. Lett. 102, 031108 (2013) doi: 10.1063/1.4774385 - pdf - A super-oscillatory lens optical microscope for subwavelength imaging
E. T. F. Rogers, J. Lindberg, T. Roy, S. Savo, J. E. Chad, M. R. Dennis and N. I. Zheludev
Nat. Mater. 11, 432 (2012) doi: 10.1038/NMAT3280 - free access
Joint Conference Contributions
- Non-volatile dielectric metamaterials reconfigurable with light
Q. Wang, E. T. F. Rogers, B. Gholipour, T. Roy, Y. Guanghui, and N. I. Zheludev
CLEO/Europe-EQEC 2015, Munich, Germany 21 - 25 Jun 2015 - Optically reconfigurable dielectric metamaterials
Q. Wang, E. T. F. Rogers, B. Gholipour, T. Roy, N. I. Zheludev
Nanometa 2015, Seefeld, Austria, 5 - 8 Jan 2015 - Solid-immersion super-oscillatory lens for heat assisted magnetic recording technology and nanoscale imaging
T. Roy, G. Yuan, E. Rogers and N. I. Zheludev
CLEO:2014, San Jose, CA, USA, 8 - 13 Jun 2014 - Plasmonic super-oscillations and sub-diffraction focusing
G. Yuan, E. Rogers, T. Roy, L. Du, Z. Shen and N. I. Zheludev
CLEO:2014, San Jose, CA, USA, 8 - 13 Jun 2014 - 2D cognitive optical data processing with phase change materials
Q. Wang, J. Maddock, E. T. F. Rogers, T. Roy, C. Craig, K. F. MacDonald, D. W. Hewak and N. I. Zheludev
CLEO:2014, San Jose, CA, USA, 8 - 13 Jun 2014 - (invited) Optical super-oscillation: towards the far-field super-resolution focusing and imaging
G. Yuan, E. T. F. Rogers, T. Roy, Z. Shen and N. I. Zheludev
META'14, Singapore, 20 - 23 May 2014 - (invited) Volatile and non-volatile switching in dielectric metamaterials
K. F. MacDonald, Q. Wang, J. Maddock, E. T. F. Rogers, T. Roy, C. Craig, B. Mills, D. W. Hewak, N. I. Zheludev
META'14, Singapore, 20 - 23 May 2014 - (poster) Femtosecond multi-level phase switching in chalcogenide thin films for all-optical data and image processing
Q. Wang, J. Maddock, B. Mills, C. Craig, E. T. F. Rogers, T. Roy, K. F. MacDonald, D. W. Hewak, and N. I. Zheludev
SPIE Photonics Europe, Brussels, Belgium, 14 - 17 Apr 2014 - Super-oscillatory optical needle for heat-assisted magnetic recording
G. Yuan, E. T. F. Rogers, T. Roy, B. Lafferty, M. Mooney, Z. Shen and N. I. Zheludev
CLEO:2013, San Jose, United States, 09 - 14 June 2013 - (poster) A superoscillatory metalens array
T. Roy, E. T. F. Rogers, and N. Zheludev
Nanometa 2013, Seefeld, Austria, 3 - 6 Jan 2013 - (poster) Exploring the limits of super-oscillatory imaging
E. T. F. Rogers, T. Roy, N. Zheludev, J. Lindberg, and M. Dennis
Nanometa 2013, Seefeld, Austria, 3 - 6 Jan 2013 - (keynote) Super-oscillatory lens far-field to far-field optical microscope: breaking diffraction limit
E. T. F. Rogers, Jari Lindberg, T. Roy, S. Savo, J. E. Chad, M. Dennis and N. I. Zheludev
SPIE Congress, San Diego, USA, 12 - 16 Aug 2012 - Transformation optics with planar metamaterials: diffraction grating and
lens
T. Roy, A. E. Nikolaenko, E. T. F. Rogers, N. I. Zheludev
CLEO:2012, San Jose, United States, 06 - 11 May 2012 - (poster) Light localization, linear and nonlinear properties of disordered plasmonic metamaterials
T. S. Kao, T. Roy, M. Ren, N. Papasimakis, F. DeAngelis, E. DiFabrizio, A. E. Nikolaenko, N. I. Zheludev
SPIE Photonics Europe, Brussels, Belgium, 16 - 19 Apr 2012 - (poster) Engineering interface singularities with metamaterials: planar optical prism and diffraction grating
T. Roy, A. E. Nikolaenko, E. T. F.Rogers, N. I. Zheludev
SPIE Photonics Europe, Brussels, Belgium, 16 - 19 Apr 2012 - (poster) The Super-oscillating Superlens
E. T. F. Rogers, T. Roy, T. S. Kao, J. Y. Ou, V. Savinov, S. Sano, J. Lindberg, M. R. Dennis, and N. I. Zheludev
NANOMETA 2011, Seefeld, Austria, 3-6 Jan 2011