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Proceedings Paper

Frequency-axis light transport and topological effects in dynamic photonic structures
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Paper Abstract

We study the ring resonator under a dynamic modulation. Each ring resonator supports a set of resonant modes with an equal spacing. We find that the system exhibits a spectral Bloch oscillation along the frequency axis when we introduce a frequency detuning in the modulation frequency. A periodic switching of the detuning brings out a unidirectional translation of the frequency of light. Moreover, in an array of rings, each of which is dynamically modulated with a different phase, we see topologically-protected edge states. Our work points to a new capability for the control of light in the frequency space.

Paper Details

Date Published: 20 February 2017
PDF: 6 pages
Proc. SPIE 10112, Photonic and Phononic Properties of Engineered Nanostructures VII, 101121O (20 February 2017); doi: 10.1117/12.2257705
Show Author Affiliations
Luqi Yuan, Stanford Univ. (United States)
Yu Shi, Stanford Univ. (United States)
Shanhui Fan, Stanford Univ. (United States)

Published in SPIE Proceedings Vol. 10112:
Photonic and Phononic Properties of Engineered Nanostructures VII
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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