Photonics Research Laboraory
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Recent Publications

Recent Publications

Subluminal group velocity and dispersion of Laguerre Gauss beams in free space

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 Read more…

By monglao, 6 years ago March 20, 2017
Recent Publications

Terahertz emission enhancement in semi-insulating gallium arsenide integrated with subwavelength one-dimensional metal line array

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, Read more…

By monglao, 6 years ago March 20, 2017
Recent Publications

Enhanced intensity variation for multiple-plane phase retrieval using a spatial light modulator as a convenient tunable diffuser

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 Read more…

By monglao, 6 years ago March 20, 2017
News and Updates

Structured beams converted to a different color using nonlinear optics

Photonics technology benefits when a beam of light can be manipulated without distorting its phase and intensity profile. This means that even after manipulation the information embedded in the beam do not get loss or Read more…

By admin, 7 years ago May 15, 2016
News and Updates

Using beamshifts to measure the optical conductivity of graphene

By Nathaniel Hermosa II Dr. Nathaniel Hermosa II is a member of the Photonics Research Laboratory. The article below is a simplified version of his work published in Journal of Optics on 16 January 2016. Read more…

By eengay, 7 years ago February 29, 2016
Recent Publications

When dark light interacts

By Nestor Bareza Jr. and Nathaniel Hermosa II Nestor Bareza Jr. and Nathaniel Hermosa II are both members of the Photonics Research Laboratory. Their article below is a simplified version of their recently published work, Read more…

By eescoto, 8 years ago October 29, 2015
News and Updates

Photonics at the 33rd SPP Physics Congress, Vigan

      Members of the Photonics Research Laboratory joined the 33rd Physics Congress of the SPP (Physics Society of the Philippines) held last 3-6 June, 2015 at the University of Northern Philippines, Vigan, Ilocos Read more…

By admin, 8 years ago June 23, 2015
Recent Publications

Mapping of Temporal Coherence Function for Ultrafast Lasers via Statistical Fringe Analysis of Reconstructed Phase Maps

The group developed a method to generate two-dimensional temporal coherence maps for ultrafast lasers using statistical fringe analysis of reconstructed phase maps. (more…)

By admin, 9 years ago November 2, 2014
Recent Publications

Twisting twisted light for direction-sensitive rotation detection

By changing the phase temporally, the direction of motion of a rotating particle can be detected. (more…)

By admin, 9 years ago October 3, 2014
Recent Publications

Wavefront watermarking of technical and biological samples using digital random phase modulation and phase retrieval

How do you watermark a wavefront? Our group shows you how. (more…)

By eengay, 9 years ago August 6, 2014

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