Highlighted Papers

  1. N. C. Passler et al., “Hyperbolic shear polaritons in low-symmetry crystals,” Nature, vol. 602, no. 7898, pp. 595–600, 2022, doi: 10.1038/s41586-021-04328-y.
  2. C. R. Gubbin, S. De Liberato, and T. G. Folland, “Surface phonon polaritons for infrared optoelectronics,” J. Appl. Phys., vol. 131, no. 3, p. 30901, Jan. 2022, doi: 10.1063/5.0064234.
  3. T.G. Folland, L. Nordin, D. Wasserman and J.D. Caldwell ‘Probing polaritons in the mid- to far-infrared’, Journal of Applied Physics, 125, 191102 (2019)
  4. T.G. Folland and J.D. Caldwell: Precise control of infrared polarization using crystal vibrations. Nature 562, 499 (2018).
  5. T.G. Folland, G. Lu, A. Bruncz, J.R. Nolen, M. Tadjer and J.D. Caldwell: Vibrational Coupling to Epsilon-Near-Zero Waveguide Modes. ACS Photonics 7, 614 (2020).
  6. T. G. Folland, A. Fali, S. T. White, J. Matson, N. A. Aghamiri, S. Liu, J. Edgar, R. F. Haglund Jr., Y. Abate and J. D. Caldwell ‘Reconfigurable infrared hyperbolic metasurfaces using phase change materials’,  DOI: 10.1038/s41467-018-06858-y, Nat. Comms, 2018, 9 4371
  7. G. Álvarez-Pérez, T.G. Folland, I. Errea, J. Taboada-Gutiérrez, J. Duan, J. Martín-Sánchez, A.I.F. Tresguerres-Mata, J.R. Matson, A. Bylinkin, M. He, W. Ma, Q. Bao, J.I. Martín, J.D. Caldwell, A.Y. Nikitin and P. Alonso-González: Infrared Permittivity of the Biaxial van der Waals Semiconductor α-MoO3 from Near- and Far-Field Correlative Studies. Advanced Materials 32, 1908176 (2020)

Full Publication List - Google Scholar

2022

  • Cleri, A. J.; Nolen, J. R.; Wirth, K. G.; He, M.; Runnerstrom, E. L.; Kelley, K. P.; Nordlander, J.; Taubner, T.; Folland, T. G.; Maria, J.-P.; Caldwell, J. D. Tunable, Homoepitaxial Hyperbolic Metamaterials Enabled by High Mobility CdO. Adv. Opt. Mater. 2023, 11 (1), 2202137. https://doi.org/https://doi.org/10.1002/adom.202202137.

  • He, M.; Folland, T. G.; Duan, J.; Alonso-González, P.; De Liberato, S.; Paarmann, A.; Caldwell, J. D. Anisotropy and Modal Hybridization in Infrared Nanophotonics Using Low-Symmetry Materials. ACS Photonics 2022. https://doi.org/10.1021/acsphotonics.1c01486.

  • Nolen, J. R.; Cleri, A.; Kelley, K.; Runnerstrom, E. L.; Nordlander, J.; Folland, T. G.; Maria, J.-P.; Caldwell, J. D. Engineering the Dispersion of Surface Plasmon Polariton/Epsilon-Near-Zero Modes through Modal Separation and Optical Confinement. Adv. Photonics Res. 2022, 3 (12), 2200146. https://doi.org/https://doi.org/10.1002/adpr.202200146.

  • Lu, G.; Gubbin, C. R.; Nolen, J. R.; Folland, T. G.; Diaz-Granados, K.; Kravchenko, I. I.; Spencer, J. A.; Tadjer, M. J.; Glembocki, O. J.; De Liberato, S.; Caldwell, J. D. Collective Phonon–Polaritonic Modes in Silicon Carbide Subarrays. ACS Nano 2022, 16 (1), 963–973. https://doi.org/10.1021/acsnano.1c08557.

  • Passler, N. C.; Ni, X.; Hu, G.; Matson, J. R.; Carini, G.; Wolf, M.; Schubert, M.; Alù, A.; Caldwell, J. D.; Folland, T. G.; Paarmann, A. Hyperbolic Shear Polaritons in Low-Symmetry Crystals. Nature 2022, 602 (7898), 595–600. https://doi.org/10.1038/s41586-021-04328-y.

  •  Gubbin, C. R.; De Liberato, S.; Folland, T. G. Surface Phonon Polaritons for Infrared Optoelectronics. J. Appl. Phys. 2022, 131 (3), 30901. https://doi.org/10.1063/5.0064234. Editors Pick, Invited

2021

  •  He, M.; Halimi, S. I.; Folland, T. G.; Sunku, S. S.; Liu, S.; Edgar, J. H.; Basov, D. N.; Weiss, S. M.; Caldwell, J. D. Guided Mid-IR and Near-IR Light within a Hybrid Hyperbolic-Material/Silicon Waveguide Heterostructure. Adv. Mater. 2020, 33 (11), 2004305.
  • Lu, G.; Tadjer, M.; Caldwell, J. D.; Folland, T. G. Multi-Frequency Coherent Emission from Superstructure Thermal Emitters. Appl. Phys. Lett. 2021, 118 (14), 141102. .
  • Livingood, A.; Ryan Nolen, J.; G. Folland, T.; Potechin, L.; Lu, G.; Criswell, S.; Maria, J.-P.; T. Shelton, C.; Sachet, E.; D. Caldwell, J.; Nolen, J.; Folland, T.; Potechin, L.; Lu, G.; Criswell, S.; Maria, J.-P.; Shelton, C.; Sachet, E.; Caldwell, J.; Ryan Nolen, J.; G. Folland, T.; Potechin, L.; Lu, G.; Criswell, S.; Maria, J.-P.; T. Shelton, C.; Sachet, E.; D. Caldwell, J. Filterless Nondispersive Infrared Sensing Using Narrowband Infrared Emitting Metamaterialshttps://doi.org/10.1021/acsphotonics.0c01432.. ACS Photonics 2021.
  • Lu, G.; Gubbin, C. R.; Nolen, J. R.; Folland, T.; Tadjer, M. J.; De Liberato, S.; Caldwell, J. D. Engineering the Spectral and Spatial Dispersion of Thermal Emission via Polariton–Phonon Strong Coupling. Nano Lett. 2021, 21 (4), 1831–1838. 
  • Huang, W.; Sun, F.; Zheng, Z.; Folland, T. G.; Chen, X.; Liao, H.; Xu, N.; Caldwell, J. D.; Chen, H.; Deng, S. Van Der Waals Phonon Polariton Microstructures for Configurable Infrared Electromagnetic Field Localizations. Adv. Sci. 2021, n/a (n/a), 2004872. 

  • He, M.; Lindsay, L.; Beechem, T. E.; Folland, T.; Matson, J.; Watanabe, K.; Zavalin, A.; Ueda, A.; Collins, W. E.; Taniguchi, T.; Caldwell, J. D. Phonon Engineering of Boron Nitride via Isotopic Enrichment. J. Mater. Res. 2021, 36 (21), 4394–4403. https://doi.org/10.1557/s43578-021-00426-9.

  • Pavlidis, G.; Schwartz, J. J.; Matson, J.; Folland, T.; Liu, S.; Edgar, J. H.; Caldwell, J. D.; Centrone, A. Experimental Confirmation of Long Hyperbolic Polariton Lifetimes in Monoisotopic (10B) Hexagonal Boron Nitride at Room Temperature. APL Mater. 2021, 9 (9), 91109. https://doi.org/10.1063/5.0061941.

  • Rufangura, P.; Khodasevych, I.; Agrawal, A.; Bosi, M.; Folland, T. G.; Caldwell, J. D.; Iacopi, F. Enhanced Absorption with Graphene-Coated Silicon Carbide Nanowires for Mid-Infrared Nanophotonics. Nanomaterials . 2021. https://doi.org/10.3390/nano11092339.

  • He, M.; Iyer, G. R. S.; Aarav, S.; Sunku, S. S.; Giles, A. J.; Folland, T. G.; Sharac, N.; Sun, X.; Matson, J.; Liu, S.; Edgar, J. H.; Fleischer, J. W.; Basov, D. N.; Caldwell, J. D. Ultrahigh-Resolution, Label-Free Hyperlens Imaging in the Mid-IR. Nano Lett. 2021, 21 (19), 7921–7928. https://doi.org/10.1021/acs.nanolett.1c01808.

  •   He, M.; Nolen, J. R.; Nordlander, J.; Cleri, A.; McIlwaine, N. S.; Tang, Y.; Lu, G.; Folland, T. G.; Landman, B. A.; Maria, J.-P.; Caldwell, J. D. Deterministic Inverse Design of Tamm Plasmon Thermal Emitters with Multi-Resonant Control. Nat. Mater. 2021, 20 (12), 1663–1669. https://doi.org/10.1038/s41563-021-01094-0.

2020

2019

  • A. Fali, S.T. White, T.G. Folland, M. He, N.A. Aghamiri, S. Liu, J.H. Edgar, J.D. Caldwell, R.F. Haglund and Y. Abate: Refractive Index-Based Control of Hyperbolic Phonon-Polariton Propagation. Nano Letters 19, 7725 (2019).
  • T.G. Folland, L. Nordin, D. Wasserman and J.D. Caldwell ‘Probing polaritons in the mid- to far-infrared’, Journal of Applied Physics, 125, 191102 (2019) (invited, featured)

2018

  • E.L. Runnerstrom, K.P. Kelley, T.G. Folland, J.R. Nolen, N. Engheta, J.D. Caldwell and J.-P. Maria ‘Polaritonic Hybrid-Epsilon-near-Zero Modes: Beating the Plasmonic Confinement vs Propagation-Length Trade-Off with Doped Cadmium Oxide Bilayers’. Nano Letters 19, 948 (2018).
  • T.G. Folland and J.D. Caldwell: Precise control of infrared polarization using crystal vibrations. Nature 562, 499 (2018).
  • T. G. Folland, A. Fali, S. T. White, J. Matson, N. A. Aghamiri, S. Liu, J. Edgar, R. F. Haglund Jr., Y. Abate and J. D. Caldwell ‘Reconfigurable infrared hyperbolic metasurfaces using phase change materials’,  DOI: 10.1038/s41467-018-06858-y, Nat. Comms, 2018, 9 4371
  • T. G. Folland, T. W. W. Maaß, J. Matson, J. R. Nolen, S. Liu, K. Watanabe, T. Taniguchi, J. H. Edgar, T. Taubner and J. D. Caldwell, `Hyperbolic behaviour of Boron Nitride measured by Attenuated total Reflection’ MRS Comms (invited), DOI:10.1557/mrc.2018.205
  • T. G. Folland, and J. D. Caldwell (2018). Chapter 12 Semiconductor Nanophotonics Using Surface Polaritons. Quantum Nano-Photonics, Dordrecht, Springer Netherlands.
  • N. C. Passler, C. R. Gubbin, T. G. Folland, I. Razdolski, D. S.  Katzer, D. F. Storm, M. Wolf, S. De Liberato, J. D. Caldwell, and A. Paarmann ` Strong Coupling of Epsilon-Near-Zero Phonon Polaritons in Polar Dielectric Heterostructures, Nano Lett., 2018, 18 (7), pp 4285–4292

2017 and earlier

  • T.G. Folland, L. Hua, O.P. Marshall, M. Khairuzzaman, H.E. Beere, D.A. Ritchie, and S. Chakraborty “Optical Side band generation in THz Semiconductor Laser Cavities”, Appl. Phys. Lett. 111, (2017). Editors Pick
  • T.G. Folland, O.P. Marshall, H.E. Beere, D.A. Ritchie, and S. Chakraborty “Coherent Detection of THz laser signals in optical fibre systems”, Opt. Express 25, 25566 (2017).
  • T. G. Folland, L. Hua and S. Chakraborty “Threshold gain in Aperiodic Lattice Lasers,” Opt. Express 24, 30024–30030 (2016)
  • T. G. Folland and S. Chakraborty, "Dual-Frequency Defect-Mode Lasing in Aperiodic Distributed Feedback (ADFB) Cavities," IEEE Photonics Technol. Lett. 28, 1617 – 1620 (2016).
  • S. Chakraborty, O. P. Marshall, T. G. Folland, Y.-J. Kim, A. N. Grigorenko, and K. S. Novoselov, "Gain modulation by graphene plasmons in aperiodic lattice lasers," Science 351, 246–248 (2016).
  • O. P. Marshall, S. Chakraborty, M. Khairuzzaman, T. Folland, A. Gholinia, H. E. Beere, and D. A. Ritchie, "Electronically tunable aperiodic distributed feedback terahertz lasers," J. Appl. Phys. 113, 203103 (2013)