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September 2019

  • OSA
  • Condensed Matter
  • Just Add Science
  • Colloquium Talk
  • Star Parties
  • CM Journal Club
  • Physics Lectures
  • Atomic Molecular and Optical

Upcoming Events

G. S. Agarwal, Texas A&M University
Tuesday, Sep 3 at 12:00 PM | amo

Superresolution microscopy with tailored illumination and quantum optical correlations
Location: MPHY 578

OSA Seminar
Thursday, Sep 5 at 12:30 PM | OSA

The optical activity of Raman scattering provides insight into the absolute configuration and conformation of chiral molecules. Applications of Raman optical activity (ROA) is limited by long integration times due to the relatively low-intensity differences (typically 10-3 to 10-4) of the Raman scattered light for different incident polarizations. This limitation has led to coherent techniques such as stimulated ROA, CARS-ROA (Coherent Anti-Stokes Raman Scattering) and ROACH (ROA Coherent Heterodyning) to increase photon count rates. Instead of utilizing a coherent process to enhance ROA, we instead apply ROA techniques to hyper-Raman scattering using incident circularly polarized light and a right-angle scattering geometry. We, to the best of our knowledge, for the first time observe hyper-Raman optical activity (HROA) and report progress in measuring the HORA spectra of biologically relevant molecules such as tartaric acid. Food and drinks will be served.
Location: MPHY 578

OSA Seminar
Thursday, Sep 5 at 1:30 PM | OSA

Wavefront shaping (WFS) techniques involve the optimization of a pulse’s wavefront by modulating the phase or amplitude at different points along the incident light’s spatial profile. These techniques have been useful for astronomy and microscopy due to their improvements in imaging. WFS has also been used for focusing in or past a turbid medium as well as delivering optical information beyond a scattering medium. Spatial light modulators (SLM) as well as deformable mirrors have been widely used to perform WFS. However, SLMs have drawbacks of being polarization and wavelength dependent while deformable mirrors have limitations at the microscale. Recently, researchers from Spain and France have developed a thermally tunable lens for WFS, which they call the SmartLens, where they change the local index of refraction at points in a polymer with electrical heaters. For the OSA News, I will present their recent publication on their SmartLens, and I will compare it to conventional WFS equipment such as SLMs.
Location: MPHY 578

Mark Raizen (University of Texas)
Thursday, Sep 5 at 4:00 PM | Colloquium

Zooming in on Brownian Motion with Einstein’s Speed Demon
Location: Hawking Auditorium

Koushik Biswas, Arkansas State University.
Friday, Sep 6 at 4:00 PM | Condensed Matter

Hybrid and All-Inorganic Perovskite Halides: A First-Principles Perspective
Location: MIST M102

Ricardo Gutierrez-Jauregui, IQSE, Texas A&M University
Tuesday, Sep 10 at 12:00 PM | amo

Review on angular momentum of light
Location: MPHY 578

OSA Seminar
Thursday, Sep 12 at 12:30 PM | OSA

Quantum Light Induced Two-photon Fluorescence of Biomarkers
Location: MPHY 578

Kevin Krisciunas (Texas A&M University)
Thursday, Sep 12 at 4:00 PM | Colloquium

Where did Copernicus get the building blocks for his new model of the cosmos?
Location: Hawking Auditorium

Fan Zhang, UT Dallas
Friday, Sep 13 at 4:00 PM | Condensed Matter

A Tale of Two Majoranas
Location: MIST M102

William George Unruh, University of British Columbia, Vancouver; Hagler Institute for Advanced Study, TAMU
Tuesday, Sep 17 at 12:00 PM | amo

What happens when an accelerated particle detector detects a Ridler particle
Location: MPHY 578

Qi Zhou, Purdue University. CANCELED.
Friday, Sep 20 at 4:00 PM | Condensed Matter

Synthetic quantum matters in ultracold atoms: from topological defects to curved spaces.
Location: MIST M102

Luiz Davidovich, Federal University of Rio de Janeiro & Hagler Institute for Advanced Study, TAMU
Tuesday, Sep 24 at 12:00 PM | amo

Towards the ultimate precision limits: Two lectures on quantum metrology
Location: MPHY 578

Lucas Macri (Texas A&M University)
Thursday, Sep 26 at 4:00 PM | Colloquium

Location: Hawking Auditorium

Jeff Thompson, Princeton
Friday, Sep 27 at 4:00 PM | Condensed Matter

Spin dynamics of individually addressed Er3+ ions in a nanophotonic circuit
Location: MIST M102


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