Personal Information
Gender:
MaleDiscipline:
Acoustics. Optics. Condensed Matter PhysicsEducation Level:
With Certificate of Graduation for Doctorate StudyDiscipline:
1 Acoustics;
1 Optics;
1 Condensed Matter Physics
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Publications
Current position: English > Research > Publications
Determination of Zak phase by reflection phase in 1D photonic crystals
- Time:2020-05-16
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Journal:
Optics Letters -
Abstract:
For a one-dimensional (1D) periodic system with inherent mirror symmetry, the value of the geometric “Zak” phase in a bulk band is related to the sign of reflection phase for wavelengths inside the bandgaps sandwiching the bulk band. Here, we designed an interference setup which allows us to measure the reflection phase of 1D phonic crystal fabricated for the optical range; this, in turn, enabled us to determine the Zak phases of the bands. We then found interface states whose existence can be traced to the topological properties of the bandgaps and the geometric phases of the bulk bands. -
Indexed by:
Journal paper -
Volume:
40 -
Issue:
22 -
Page Number:
5259-5262 -
Translation or Not:
no -
Date of Publication:
2015-11-15 -
Links to published journals:
https://opg.optica.org/ol/abstract.cfm?uri=ol-40-22-5259