Journal
OPTICAL AND QUANTUM ELECTRONICS
Volume 40, Issue 1, Pages 13-22Publisher
SPRINGER
DOI: 10.1007/s11082-008-9217-6
Keywords
second-harmonic generation; modeling methods; high-contrast devices
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In this paper we model second-harmonic generation in a microphotonic structure using two different numerical methods. The proposed two-dimensional waveguide device is challenging as it incorporates a high-contrast grating, which instigates strong local enhancement but also radiation losses. The first simulation method extends the time-domain beam propagation method, whereas the second one builds upon frequency-domain eigenmode expansion. Good agreement between both tools is obtained for both the linear and nonlinear simulations.
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