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Micro-machined fluidic devices for terahertz time-domain spectroscopy (2011)
Journal Article
Baragwanath, A., Swift, G., DeChang, D., Zeze, D., Gallant, A., & Chamberlain, J. (2011). Micro-machined fluidic devices for terahertz time-domain spectroscopy. Physica status solidi. C, Current topics in solid state physics (Internet), 8(9), 2935-2937. https://doi.org/10.1002/pssc.201084088

Here we present a silicon based, micro-machined fluidic device for terahertz frequencies, fabricated using standard lithographic and micro-machining processes in a cleanroom environment. Designed for use in a conventional transmission terahertz time-... Read More about Micro-machined fluidic devices for terahertz time-domain spectroscopy.

Negative refraction and the spectral filtering of terahertz radiation by a photonic crystal prism (2011)
Journal Article
Swift, G., Gallant, A., Kaliteevskaya, N., Kaliteevski, M., Brand, S., Dai, D., Baragwanath, A., Iorsh, I., Abram, R., & Chamberlain, J. (2011). Negative refraction and the spectral filtering of terahertz radiation by a photonic crystal prism. Optics Letters, 36(9), 1641-1643. https://doi.org/10.1364/ol.36.001641

We demonstrate how micromachined photonic crystals can be used to negatively refract terahertz frequency light. The photonic crystals, which are constructed from conventional dielectric materials, manipulate the incident beam via interaction with the... Read More about Negative refraction and the spectral filtering of terahertz radiation by a photonic crystal prism.

Silicon based microfluidic cell for terahertz frequencies (2010)
Journal Article
Baragwanath, A., Swift, G., Dai, D., Gallant, A., & Chamberlain, J. (2010). Silicon based microfluidic cell for terahertz frequencies. Journal of Applied Physics, 108(1), Article 013102. https://doi.org/10.1063/1.3456175

We present a detailed analysis of the design, fabrication and testing of a silicon based, microfluidic cell, for transmission terahertz time-domain spectroscopy. The sensitivity of the device is tested through a range of experiments involving primary... Read More about Silicon based microfluidic cell for terahertz frequencies.

Contrast and resolution enhancement in a confocal terahertz video system. (2008)
Journal Article
Zinov’ev, N., Adrianov, A., Gallant, A., Chamberlain, J., & Trukhin, V. (2008). Contrast and resolution enhancement in a confocal terahertz video system. JETP Letters, 88(8), 492-495. https://doi.org/10.1134/s0021364008200058

The effect of image contrast enhancement without the loss of the spectral composition of the radiation under investigation has been experimentally demonstrated for a terahertz far-field video system. The result has been obtained by using a confocal a... Read More about Contrast and resolution enhancement in a confocal terahertz video system..

Micromachined Terahertz Waveguides with Embedded Metal Rods (2008)
Presentation / Conference Contribution
Gallant, A., Baragwanath, A., Swift, P., Wood, D., & Chamberlain, M. (2008, December). Micromachined Terahertz Waveguides with Embedded Metal Rods. Presented at 33rd International Conference on Infrared, Millimeter, and Terahertz Waves, Pasadena, CA

In this paper we report on a novel fabrication approach for the manufacture of terahertz waveguides with embedded metal rods. It is anticipated that this type of structure could be used for sub-wavelength imaging or as a method to effectively couple... Read More about Micromachined Terahertz Waveguides with Embedded Metal Rods.

Negative refracting materials at THz frequencies. (2008)
Presentation / Conference Contribution
Swift, G. P., Gallant, A. J., Dai, D., Kaliteevski, M. A., Brand, S., Zeze, D. A., Wood, D., Petty, M. C., Abram, R. A., & Chamberlain, J. M. (2008, December). Negative refracting materials at THz frequencies. Presented at 33rd International Conference on Infrared, Millimeter, and Terahertz Waves, Pasadena, CA

We demonstrate here, for the first time, the construction of artificial materials, which theoretically possess two separate pass-bands utilizing the difference between positive and negative refraction in the terahertz frequency regime. Experimental t... Read More about Negative refracting materials at THz frequencies..

Negative refraction can make non-diffracting beams (2008)
Journal Article
Kaliteevski, A., Brand, S., Abram, R., Gallant, A., & Chamberlain, J. (2008). Negative refraction can make non-diffracting beams. Optics Express, 16(19), 14582-14587. https://doi.org/10.1364/oe.16.014582

We report the results of simulations relating to the illumination of a structure consisting of a slab constructed from a 2-D hexagonal array of metal rods with a terahertz frequency source. As a consequence of negative refraction an essentially non-d... Read More about Negative refraction can make non-diffracting beams.

Tamm plasmon polaritons: Slow and spatially compact light (2008)
Journal Article
Sasin, M., Seisyan, R., Kaliteevski, M., Brand, S., Abram, R., Chamberlain, J., …Kavokin, A. (2008). Tamm plasmon polaritons: Slow and spatially compact light. Applied Physics Letters, 92(25), Article 251112. https://doi.org/10.1063/1.2952486

We report on the first experimental observation of Tamm plasmon polaritons (TPPs) formed at the interface between a metal and a dielectric Bragg reflector (DBR). In contrast to conventional surface plasmons, TPPs have an in-plane wavevector less than... Read More about Tamm plasmon polaritons: Slow and spatially compact light.

Terahertz filter based on refractive properties of metallic photonic crystal (2008)
Journal Article
Kaliteevski, M., Brand, S., Garvie-Cook, J., Abram, R., & Chamberlain, J. (2008). Terahertz filter based on refractive properties of metallic photonic crystal. Optics Express, 16(10), 7330-7335. https://doi.org/10.1364/oe.16.007330

We propose a new type of pass-band filter, in this case designed to operate in the terahertz frequency regime, possessing two separate pass-bands utilizing the distinction between positive and negative refraction in a photonic crystal prism. The pris... Read More about Terahertz filter based on refractive properties of metallic photonic crystal.

Terahertz spectroscopy of stem cells (2007)
Presentation / Conference Contribution
Zinov'ev, N., Jahoda, C., Quinlan, R., & Chamberlain, J. (2007, December). Terahertz spectroscopy of stem cells. Presented at 2007 JOINT 32ND INTERNATIONAL CONFERENCE ON INFRARED AND MILLIMETER WAVES AND 15TH INTERNATIONAL CONFERENCE ON TERAHERTZ ELECTRONICS, VOLS 1 AND 2

Flexible polymer based artificial materials for terahertz applications. (2007)
Presentation / Conference Contribution
Gallant, A., Zeze, D., Wood, D., Petty, M., Dai, D., & Chamberlain, J. (2007, December). Flexible polymer based artificial materials for terahertz applications. Presented at Joint 32nd International Conference on Infrared and Millimeter Waves, 2007 and the 2007 15th International Conference on Terahertz Electronics. IRMMW-THz., Cardiff, Wales

In this paper we report on the fabrication and testing of arrays of subwavelength apertures which are formed in a highly flexible polymer, PDMS (polydimethylsiloxane). PDMS can be elastically stretched to cause the deformation of any surface features... Read More about Flexible polymer based artificial materials for terahertz applications..

Conversion of short optical pulses to terahertz radiation in a nonlinear medium: Experiment and theory (2007)
Journal Article
Zinov’ev, N., Nikoghosyan, A., Dudley, R., & Chamberlain, J. (2007). Conversion of short optical pulses to terahertz radiation in a nonlinear medium: Experiment and theory. Physical Review B, 76(23), Article 235114. https://doi.org/10.1103/physrevb.76.235114

We report on the frequency and time domain analysis of electromagnetic terahertz radiation generated by nonlinear conversion of short optical pulses crossing boundaries of nonlinear material. Analysis and comparison with experiment have unequivocally... Read More about Conversion of short optical pulses to terahertz radiation in a nonlinear medium: Experiment and theory.

Pulsed terahertz signal reconstruction (2007)
Journal Article
Fletcher, J., Swift, G., Dai, D., Chamberlain, J., & Upadhya, P. (2007). Pulsed terahertz signal reconstruction. Journal of Applied Physics, 102(11), https://doi.org/10.1063/1.2818361

A procedure is outlined which can be used to determine the response of an experimental sample to a single, simple broadband frequency pulse in terahertz frequency time domain spectroscopy (TDS). The advantage that accrues from this approach is that o... Read More about Pulsed terahertz signal reconstruction.

Passband filters for terahertz radiation based on dual metallic photonic structures (2007)
Journal Article
Gallant, A., Kaliteevski, M., Wood, D., Petty, M., Abram, R., Brand, S., …Chamberlain, J. (2007). Passband filters for terahertz radiation based on dual metallic photonic structures. Applied Physics Letters, 91(16), https://doi.org/10.1063/1.2800381

This paper reports on the development of two-dimensional metallic microstructures for the filtering of terahertz radiation. These structures are fabricated using ultraviolet-based processing of thick SU8 resist. This micromachining technique enables... Read More about Passband filters for terahertz radiation based on dual metallic photonic structures.

Tamm plasmon-polaritons: Possible electromagnetic states at the interface of a metal and a dielectric Bragg mirror (2007)
Journal Article
Kaliteevski, M., Iorsh, I., Brand, S., Abram, R., Chamberlain, J., Kavokin, A., & Shelykh, I. (2007). Tamm plasmon-polaritons: Possible electromagnetic states at the interface of a metal and a dielectric Bragg mirror. Physical review B, 76(16), https://doi.org/10.1103/physrevb.76.165415

Conventional surface plasmons have a wave vector exceeding that of light in vacuum, and therefore cannot be directly excited by light that is simply incident on the surface. However, we propose that a plasmon-polariton state can be formed at the boun... Read More about Tamm plasmon-polaritons: Possible electromagnetic states at the interface of a metal and a dielectric Bragg mirror.

Terahertz Frequency Bandpass Filters (2007)
Journal Article
Gallant, A., Kaliteevski, M., Brand, S., Wood, D., Petty, M., Abram, R., & Chamberlain, J. (2007). Terahertz Frequency Bandpass Filters. Journal of Applied Physics, 102(2), https://doi.org/10.1063/1.2756072

The design, measurement, and analysis of a range of artificial materials for use at terahertz frequencies are described. The chosen structures consist of arrays of cylindrical gold-plated pillars with period comparable to the wavelength of incident r... Read More about Terahertz Frequency Bandpass Filters.

Artificial plasmonic materials for THz applications (2007)
Presentation / Conference Contribution
Gallant, A., Levitt, J., Kaliteevski, M., Wood, D., Petty, M., Abram, R., Brand, S., Swift, G., Zeze, D., & Chamberlain, J. (2007, February). Artificial plasmonic materials for THz applications. Presented at Terahertz and Gigahertz Electronics and Photonics VI, San Jose, CA

This paper reports on the development of micromachined pillar arrays for the filtering of terahertz radiation. These pillar arrays are fabricated using ultraviolet based processing of thick SU8. This micromachining technique enables the array pattern... Read More about Artificial plasmonic materials for THz applications.

Interface photonic states at the boundary between a metal and a dielectric Bragg mirror (2007)
Journal Article
Shelykh, I., Kaliteevskii, M., Kavokin, A., Brand, S., Abram, R., Chamberlain, J., & Malpuech, G. (2007). Interface photonic states at the boundary between a metal and a dielectric Bragg mirror. physica status solidi (a) – applications and materials science, 204(2), 522-525. https://doi.org/10.1002/pssa.200673231

Tamm states of light are localized interface modes inside the light-cone. In contrast to the surface modes they can have a zero in-plane wave-vector. We show that they can be formed in both TE and TM polarizations at the boundary between the isotropi... Read More about Interface photonic states at the boundary between a metal and a dielectric Bragg mirror.