Photonics Research Group Home
Ghent University Journals/Proceedings
About People Research Publications Education Services
 IMEC
intern

 

Publication detail

Authors: H. Gersen, T.J. Karle, R.J.P. Engelen, W. Bogaerts, J.P. Korterik, N.F. van Hulst, T.F. Krauss, L. Kuipers
Title: Real space observation of ultraslow light in photonic crystal waveguides.
Format: International Journal
Publication date: 2/2005
Journal/Conference/Book: Physics Review Letters
Volume(Issue): 94(7) p.073903
DOI: 10.1103/physrevlett.94.073903
Citations: 380 (Web of Knowledge / Dimensions.ai - last update: 16/9/2020)
Look up on Google Scholar
Download: Download this Publication (628KB) (628KB)

Abstract

We show the real space observation of fast and slow pulses propagating inside a photonic crys-
tal waveguide by time-resolved Near-¯eld Scanning Optical Microscopy. Local phase and group
velocities of modes are measured. For a speci¯c optical frequency we observe a localized pattern
associated with a °at band in the dispersion diagram. During at least 3 ps movement of this ¯eld is
hardly discernable: its group velocity would be at most c/1000. The huge trapping times without
the use of a cavity reveal new perspectives for dispersion and time control within photonic crystals.

Related Research Topics

Related Projects


Back to publication list