Journal
IEEE PHOTONICS JOURNAL
Volume 14, Issue 4, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPHOT.2022.3179496
Keywords
Optical switches; Optical waveguides; Couplings; Optical resonators; Optical device fabrication; Propagation losses; Optical fibers; Integrated optics; Optical polymers; Optical resonators; Optical switches
Funding
- National Key Research and Development Program of China [2019YFB2203001]
- Science and Technology Development Plan of Jilin Province [20190302010GX]
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In this paper, a low power consumption polymer/silica hybrid thermo-optic switch based on racetrack resonator is demonstrated. By utilizing materials with high index-contrast and a simple, low-cost fabrication technology, a compact switch is successfully fabricated. The experimental results show that the switch has a high extinction ratio and low power consumption.
Large scale integration of photonics devices requires low power consumption devices. In this paper, we demonstrate a low power consumption polymer/silica hybrid thermo-optic switch based on racetrack resonator. With the high index-contrast between SU-8 core, silica buffer and PMMA cladding, a compact racetrack resonator with a small bending radius of 120 mu m and a coupling length of 1765 mu m is fabricated through simple and low-cost contact lithography technology. An extinction ratio of 16.83 dB is achieved while the power consumption applied is 14.69 mW. The energy efficiency of the switch is 12.07 pm/mW. The rise/fall time the switch is 174 mu s/182 mu s.
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