Laser Resonators, Microresonators, and Beam Control XXII 2020
DOI: 10.1117/12.2544063
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On-chip Brillouin lasers based on 10 million-Q chalcogenide resonators without direct etch process

Abstract: We present a new device platform which defines on-chip chalcogenide waveguide/resonators without directly etching chalcogenide. Using our platform, we have demonstrated chalcogenide ring resonators with record high Q-factor exceeding 1.1x10 7 which is 10 times larger than previous record on on-chip chalcogenide resonators. A ring cavity is designed and fabricated for Stimulated Brillouin lasing on our platform. Thanks to the high-Q factor, Brillouin lasing with threshold power of 1 mW is demonstrated. This val… Show more

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“…Whereas on the as-deposited As 2 S 3 surface, the roughness on the top and the wedge was 0.3 and 0.6 nm, respectively. The other fabrication and measurement information for the As 2 S 3 resonators can be also found in our conference proceedings 39 .…”
Section: Methodsmentioning
confidence: 99%
“…Whereas on the as-deposited As 2 S 3 surface, the roughness on the top and the wedge was 0.3 and 0.6 nm, respectively. The other fabrication and measurement information for the As 2 S 3 resonators can be also found in our conference proceedings 39 .…”
Section: Methodsmentioning
confidence: 99%