HOME > Profile > AFSHAN BEGUM, Afshan Begum
Research
- Keywords
• Semiconductor nanostructures • Photonic Dirac cones • Photonic Crystals • Optical Waveguides • Topological Photonics • Nanofabrication • Electron Beam Lithography • Dry Etching • PECVD •
• Introducing our work : https://youtu.be/dyb2Ig0bCoo?si=cRsLKmXYUBZTd0GB • • https://doi.org/10.7566/JPSHT.3.041 •
• Nanostructures for chips •
Topological photonic crystals for lossless communication:
https://doi.org/10.1103/PhysRevA.107.043507
https://doi.org/10.7566/JPSJ.92.114402
|| Large photonic bandgaps || without under etching || small refractive index contrast || helical edge-modes measured || high angle-resolution || mid-IR wavelengths ||
• Measured double Dirac cones •
https://doi.org/10.7566/JPSJ.91.084401
PublicationsNIMS affiliated publications since 2004.
Society memberships
Japan Physical Society, SPIE, OSA - The Optical Society, Institute of Electrical and Electronics Engineers, Optical Society of India, American Physical Society
Awards
- NIMS Student Seminar Award, Doctoral course, year 2. Title, "Scheme to utilize Photonic Crystal Dirac Cone for waveguiding & lasing demonstration" (2020)
- NIMS Student Seminar Award, Doctoral course, year 1. Title, "Topological Waveguide for Entangled Photon Pair Dissociation" (2019)