Germanium Photonic Crystal Nanobeam Cavity with Q &gt; 1,300

Michihiro Kuroki; Satoshi Kako; Satomi Ishida; Katsuya Oda; T. Ido; Satoshi Iwamoto; Yasuhiko Arakawa

doi:10.1364/cleo_si.2015.sm3g.4

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Germanium Photonic Crystal Nanobeam Cavity with Q > 1,300

Michihiro Kuroki Satoshi Kako Satomi Ishida Katsuya Oda T. Ido Satoshi Iwamoto Yasuhiko Arakawa

Year: 2015 Vol: 20 Pages: SM3G.4-SM3G.4

DOI: 10.1364/cleo_si.2015.sm3g.4

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Abstract

We fabricate germanium-based photonic crystal nanobeam cavities and observe a large enhancement (~170 times) of room-temperature photoluminescence signal at a cavity resonance of ~1,700 nm. A cavity quality factor as high as 1,350 is achieved.

Keywords:

Germanium Photonic crystal Materials science Photoluminescence Optoelectronics Q factor Resonance (particle physics) Photonics Crystal (programming language) Optics Silicon Physics Resonator Atomic physics

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Photonic and Optical Devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Photonic Crystals and Applications

Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics

Optical Coatings and Gratings

Physical Sciences → Materials Science → Surfaces, Coatings and Films

Germanium Photonic Crystal Nanobeam Cavity with Q > 1,300

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