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Journal Article Cascaded Wavelength Conversion as Favorable Application of Nonlinear Optical Polymers
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Authors
Kim Min-Su, Ju Jung Jin, Park Seung Koo, 도정윤, 이명현
Issue Date
200806
Source
Optics Express, v.16 no.13, pp.9726-9738
ISSN
1094-4087
Publisher
Optical Society of America(OSA)
DOI
https://dx.doi.org/10.1364/OE.16.009726
Project Code
08MB2200, Nano flexible opto-electric PCB module for portable display, Ju Jung Jin
Abstract
Nonlinear optical (NLO) polymers have been considered promising materials for wavelength conversion at a low pump power. However, they have not been readily adopted to practical applications due to their high absorption coefficients, especially at a shorter interacting wavelength. Our theoretical analysis proves that the influence of absorption coefficients can be mitigated significantly in cascaded wavelength conversion (CWC) processes. According to our example study, maximum conversion efficiencies for CWC can compare even with those for second-harmonic generation in many NLO polymers. Thus CWC can become a pertinent application of NLO polymers. However, to obtain such efficient CWC, several realistic problems should be resolved in practical devices. © 2008 Optical Society of America.
KSP Keywords
Absorption Coefficient, Conversion efficiency(C.E.), High absorption, Nonlinear optical polymers, Pump power, Second Harmonic Generation, Theoretical Analysis, practical application, wavelength conversion