Low-voltage-tunable nanobeam lasers immersed in liquid crystals

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A low-voltage-tunable one-dimensional nanobeam laser is realized by employing lithographically defined lateral electrodes. An InGaAsP nanobeam with a sub-micrometer width is transfer-printed in the middle of two electrodes using a polydimethylsiloxane stamp. Spectral tuning is achieved by controlling the molecular alignment of the surrounding liquid crystals (LCs). From mu m-scale-gap structures, a total wavelength shift that exceed 6 nm is observed at a low voltage of less than 10 V. A measured spectral tuning rate of 0.87 nm/V, which is the largest value ever reported to our knowledge among LC-tuned photonic crystal lasers, was also noted.
Publisher
OPTICAL SOC AMER
Issue Date
2014-12
Language
English
Article Type
Article
Keywords

PHOTONIC CRYSTALS; NANOCAVITY LASER; WAVE-GUIDES; CAVITY; BAND; INFILTRATION; NANOLASER

Citation

OPTICS EXPRESS, v.22, no.25, pp.30707 - 30712

ISSN
1094-4087
DOI
10.1364/OE.22.030707
URI
http://hdl.handle.net/10203/194767
Appears in Collection
CBE-Journal Papers(저널논문)ME-Journal Papers(저널논문)PH-Journal Papers(저널논문)
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