Graduates


Christina Ripken                                              Graduated PhD 2020

Micro- and nanoplastic in Okinawa: Potential impacts on planktonic microalgae and endosymbiotic dinoflagellates

Publications
  • Analysis of small microplastics in coastal surface water samples of the subtropical island of Okinawa, Japan
    C Ripken, S Nic Chormaic and DG Kotsifaki
    Sci. Total Environ. 760, 143927 (2021) 

  • Response of coral reef dinoflagellates to nanoplastics under experimental conditions
    C Ripken, E Shoguchi and K Khalturin
    Microorganisms 8, 1759 (2020)

Krishnapriya Subramonian Rajasree             Graduated PhD 2020

Rydberg excitation and other multiphoton processes in cold rubidium atoms near an optical nanofibre

Publications
  • Spin selection in single-frequency two photon excitation of alkali-metal atoms
    KS Rajasree, RK Gupta, V Gokhroo, F Le Kien, T Nieddu, T Ray, S Nic Chormaic and G Tkachenko
    Phys. Rev. Res. 2, 033341 (2020)

  • Observation of the 87Rb 5S1/2 to 4D3/2 electric quadrupole transition at 516.6 nm mediated via an optical nanofiber
    T Ray, RK Gupta, V Gokhroo, JL Everett, T Nieddu, KS Rajasree and S Nic Chormaic
    New J. Phys. 22, 062001 (2020)

  • Generation of cold Rydberg atoms at submicron distances from an optical nanofiber
    KS Rajasree, T Ray, K Karlsson, JL Everett and S Nic Chormaic
    Phys. Rev. Res. 2. 012038(R) (2020).

  • Simple, narrow, and robust atomic frequency reference at 993 nm exploiting the rubidium (Rb) 5S1/2 to 6S1/2 transition using one-color two-photon excitation
    T Nieddu, T Ray, KS Rajasree, R Roy and S Nic Chormaic
    Opt. Express 27, 6528 (2019)

Simon Peter Mekhail                                        Graduated PhD 2019

Optical fiber probes for in-vivo neuronal compressive microendscopy and mode analysis in nanofibers

Publications
Patents
  • Z-axis optical microdrive
    SP Mekhail, B Sieveritz, P Kennedy, GW Arbuthnott and S Nic Chormaic
    USA Provisional Patent Filed 63/003,769 (2020)

Sho Kasumie                                                      Graduated PhD 2019

Hollow whispering gallery mode resonators: from fabrication to application

Publications
  • Raman laser switching induced by cascaded light scattering
    S Kasumie, F Lei, JM Ward, X Jiang, L Yang and S Nic Chormaic
    Laser Photonics Rev. 13, 1900138 (2019)

  • Toward visible frequency comb generation using a hollow WGM resonator (invited review)
    S Kasumie, Y Yang, JM Ward and S Nic Chormaic
    Rev. Las. Engin. 46, 92 (2018)

  • Tunable erbium-doped microbubble laser fabricated by sol-gel coating
    Y Yang, F Lei, S Kasumie, L Xu, J Ward, L Yang and S Nic Chormaic
    Opt. Express 25, 1308 (2017)

  • Cavity ring-up spectroscopy for dissipative and dispersive sensing in a whispering gallery mode resonator
    Y Yang, R Madugani, S Kasumie, JM Ward and S Nic Chormaic
    Appl. Phys. B 122, 291 (2016)

  • Four-wave mixing parametric oscillation and frequency comb generation at visible wavelengths in a silica microbubble resonator
    Y Yang, X Jiang, S Kasumie, G Zhao, L Xu, J Ward, L Yang and S Nic Chormaic
    Opt. Lett. 41, 5266 (2016)

Thomas Nieddu                                                 Graduated PhD 2019

Optical nanofibers for multiphoton processes and selective mode interactions with rubidium 

Publications
  • Spin selection in single frequency, two photon excitation of alkali atoms
    KS Rajasree, RK Gupta, V Gokhroo, F Le Kien, T Nieddu, T Ray, S Nic Chormaic and G Tkachenko  
    Phys. Rev. Res. 2, 033341 (2020)

  • Observation of the 87Rb 5S1/2 to 4D3/2 electric quadrupole transition at 516.6 nm mediated via an optical nanofibre
    T Ray, RK Gupta, V Gokhroo, JL Everett, T Nieddu, KS Rajasree and S Nic Chormaic
    New J. Phys. 22, 062001 (2020)

  • Simple, narrow, and robust atomic frequency reference at 993 nm exploiting the rubidium (Rb) 5S1/2 to 6S1/2 transition using one-color two-photon excitation
    T Nieddu, T Ray, KS Rajasree, R Roy and S Nic Chormaic
    Opt. Express 27, 6528 (2019)

  • Optical nanofibres and neutral atoms 
    T Nieddu, V Gokhroo and S Nic Chormaic
    J. Opt. 18, 053001 (2016)

Mark Daly                                                        Graduated PhD 2017

Light-induced interactions using optical near-field devices

Publications