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Reconfiguration of microring resonators by liquid adhesion

Barrios, C. A. (author)
Holgado, M. (author)
Guarneros, O. (author)
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Gylfason, Kristinn Björgvin (author)
KTH,Mikrosystemteknik
Sanchez, B. (author)
Casquel, R. (author)
Sohlström, Hans (author)
KTH,Mikrosystemteknik
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 (creator_code:org_t)
AIP Publishing, 2008
2008
English.
In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 93:20
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • We present a procedure to reconfigure microring resonators based on liquid surface adhesion. Droplets of organic solvents were deposited over Si3N4/SiO2 strip- and slot-waveguide ring resonators, and the transmission spectra were measured several hours after the evaporation of the droplets at room temperature. Our measurements show that the optical properties of the microrings are significantly modified by liquid adhered to the waveguides, persisting even 96 h after bulk evaporation. Liquid-solid interfacial forces slow down liquid evaporation at the nanoscale, enabling permanent photonic configurations. Rewriteability is achieved by removing the adhered liquid with heat.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)

Keyword

adhesion
circular waveguides
evaporation
microcavities
micromechanical resonators
silicon compounds

Publication and Content Type

ref (subject category)
art (subject category)

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