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Tunable integrated optical modulator with dynamical photonic band transition of photonic crystals
Author(s): Alperen Govdeli; Serdar Kocaman
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Paper Abstract

A Mach-Zehnder Interferometer based optical modulator composed of photonic crystals as phase shifters is presented. The switching process relies on the phase modulation along the arms of interferometer resulted from the photonic band shift of the photonic crystal regions. A small bulk index change leads to a large effective index difference between two arms of the interferometer and a small foot-print device can operate as a modulator. Presented MZI-based optical modulator is shown to have tunable bandwidth up to 15.7nm. This interesting approach provides possibility of broadband, low-voltage, low-loss, high-speed and tunable optical integrated switches, modulators and multiplexers.

Paper Details

Date Published: 4 March 2019
PDF: 7 pages
Proc. SPIE 10923, Silicon Photonics XIV, 109231R (4 March 2019); doi: 10.1117/12.2510097
Show Author Affiliations
Alperen Govdeli, Middle East Technical Univ. (Turkey)
Serdar Kocaman, Middle East Technical Univ. (Turkey)

Published in SPIE Proceedings Vol. 10923:
Silicon Photonics XIV
Graham T. Reed; Andrew P. Knights, Editor(s)

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