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Latest from the Group

Subluminal group velocity and dispersion of Laguerre Gauss beams in free space
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The speed of light in a perfect vacuum – a well-known fact, a fundamental constant, a universal truth. This law has been a major principle of modern physics and in no small part does it define our understanding of the … Read More

Terahertz emission enhancement in semi-insulating gallium arsenide integrated with subwavelength one-dimensional metal line array
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Besides visible light optics, many strides are being done to improve our capability to harness information using other wavelengths of light. One such wavelength range is in the sub-millimeter range, or in terms of frequency, the terahertz (THz) domain. Recently, … Read More

Enhanced intensity variation for multiple-plane phase retrieval using a spatial light modulator as a convenient tunable diffuser
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In this letter published in Optics Letters on May 3, 2016, the group proposes a phase retrieval technique where the set-up uses a spatial light modulator (SLM) as a diffuser to enhance the variation in the intensity of light. Using … Read More

PRL participates in SSOLLA 2016
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Graduate members of Photonics (Joseph A. De Mesa, Cherrie May Olaya, Jessa Jayne Miranda, and Einstom Engay) participated in an international summer school ‘SSOLLA 2016’ (Summer School on Lasers and Laser Applications 2016) last April 4th to 8th at GIST … Read More