Biophotonics and Nanophotonics

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Biophotonics and Nanophotonics at UMass
Boston D. V. G. L. N. Rao Department of
Physics University of Massachusetts Boston Tel
617-287-6065 Email raod_at_umb.edu Website
http//www.physics.umb.edu/Staff/raod.htm My
Research Group 3 Postdoctoral Research
Associates 1 PhD Student
4 MS Students Collaborators UMass
Boston Biology Faculty UMass Medical School
Radiology
Work supported by US Army, NIH and DOD
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Nano and Biophotonics Research Lab
Research Projects

• Bacteriorhodopsin basic physics (low power
  nonlinear optics, slow fast light), optical
  computing, information processing.
• Fourier phase contrast microscopy
• NanoPorous Azobenzene Dendron films basic
  physics, applications (Laser eye sensor
  protection).
• Optical holographic data storage.
• Medical image processing breast cancer
  diagnostics.

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Recent Citations
Nano and Biophotonics Research Lab

• Fourier Phase Contrast Microscopy - Optics and
  Photonics News, Dec 2007.
• Slow Light Nature Research Highlights, Dec
  2005.
• Light Scattering in Aligned Nanotubes Winner of
  , Nov 2005.

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Selected Publications
Nano and Biophotonics Research Lab

• Passive all-optical diode using asymmetric
  nonlinear absorption, Applied Physics Letters,
  91, 1411181 (2007).
• Slow light in bacteriorhodopsin solution using
  coherent population oscillations, Optics Letters,
  32, 1788 (2007).
• Phase contrast imaging using photo-thermally
  induced phase transitions in liquid crystals,
  Applied Physics Letters, 89, 2111161 (2006).
• Controllable snail-based light in biological
  bacteriorhodopsin thin film, Physical Review
  Letters 95, 253601 (2005)
• Spectral phase based medical image processing,
  Academic Radiology Journal 12, 706 (2005).
• Nonlinear optical Fourier filtering technique for
  medical image processing, Journal of Biomedical
  Optics 10, 0440281 (2005).
• Light scattering of periodic b-aligned carbon
  nanotubes, Physical Review Letters, 93, 0139021
  (2004).
• Photonic Crystals Based on Periodic Arrays of
  Aligned Carbon Nanotubes, Nano Letters 3, 13
  (2003).
• 4 Book chapters and 8 Patent applications