Document Detail

Metal Nanoparticle Based All-Optical Photothermal Light Modulator.
MedLine Citation:
PMID:  24437364     Owner:  NLM     Status:  Publisher    
We present a simple scheme for the manipulation of light intensity by light mediated by a dissipative process. The implementation employs the heat released by an optically excited plasmonic metal nanoparticle to control the size of an isotropic bubble in a nematic liquid crystal film. The nematic film is designed as a zero order half-wave plate which rotates an incident probe light polarization by π/2 and is blocked by an analyzing polarizer behind the structure. The growing isotropic bubble disturbs the half-wave plate and causes the probe to be transmitted through the modulator structure. Our results demonstrate, that dissipative processes may be advantageously used to control light by light.
André Heber; Markus Selmke; Frank Cichos
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-1-17
Journal Detail:
Title:  ACS nano     Volume:  -     ISSN:  1936-086X     ISO Abbreviation:  ACS Nano     Publication Date:  2014 Jan 
Date Detail:
Created Date:  2014-1-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101313589     Medline TA:  ACS Nano     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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