University:
California State University, East Bay
Course:
CS 3590 | Data Communications and Networking
Academic year:

2023
Views:

59

Pages:

1
Author:

Jithin J. I.

PHOTONIC CRYSTAL FIBERS FOR SUPERCONTINUUM GENERATION  PCFs enable flexible design of properties like dispersion, nonlinearity etc.  Supercontinuum generation in PCFs enables applications like spectroscopy, OCT, broadband sources  Result from interplay of nonlinear effects like SPM, XPM, Raman scattering, FWM  Chalcogenide PCFs provide high nonlinearity for spectral broadening  Silicon nanowires have high nonlinearity from large surface-to-volume ratio  Proposed Si nanowire embedded PCF for broadened spectrum around 1550nm  Pentagonal lattice gives high birefringence  Tailored Si nanowire radius to get zero dispersion near 1550nm  Flattened, low dispersion and high nonlinearity obtained  Comparative study of Si-nanowire, As2S3, and Silica PCFs  Si-nanowire PCF gives best characteristics for supercontinuum generation  685nm broad spectrum from 1235-1920nm demonstrated with 25W, 50fs pulse Key Highlights  PCFs enable flexible engineering of properties for nonlinear applications  Chalcogenide and supercontinuum  Dispersion engineering by structural design enables broad spectra  Proposed Si-nanowire PCF gives ultra-flattened dispersion and high nonlinearity  685nm wide supercontinuum spectrum achieved, suitable for optical communications  Si-nanowire PCF outperforms alternatives like As2S3 and Silica PCFs Si-nanowire PCFs provide high nonlinearity for