Seminar on
Modern Optics and Spectroscopy


Eric Statz , MIT

Polaritonic structure imaging

October 31, 2006

12:00 noon - 1:00 p.m. Grier Room 34-401


Abstract:

Phonon-polaritons, admixtures of electromagnetic and polar optic phonon modes, allow the generation and detection of THz frequency electromagnetic fields within electro-optic structures patterned into common ferroelectric crystals such as LiNbO3 and LiTaO-3. The mechanical component of phonon-polaritons, allows direct imaging of these polaritons, and thus the EM field, throughout a photonic structure.

The behavior of various simple photonic structures such as slab waveguides, coupled waveguides, and resonant cavities will be presented.  Additionally, the response of polaritonic bandgap structures, photonic crystals in materials that have a material (polaritonic) resonance near to the imposed photonic resonance, will be presented..

TUESDAYS, 12:00-1:00, GRIER ROOM (34-401)
Refreshments served following the seminar

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Co-sponsored by the George R. Harrison Spectroscopy Laboratory,
the Department of Electrical Engineering and Computer Science and
the School of Science, Massachusetts Institute of Technology.