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Enhancing the efficiency of second harmonic generation from 800 nm wavelength using an 8-fold photonic quasi-crystal fiber
R. Bhattacharjee, , , K. Nakkeeran, P. Rameshbabu
Published in Research India Publications
Volume: 8
Issue: 19 SPEC.ISSUE
Pages: 2589 - 2592
We model an 8-fold photonic quasi-crystal fiber (PQF) for enhancing the second harmonic generation efficiency from 800 nm wavelength. We find, structural arrangement of fiber mainly contributes in reducing of overlap area between fundamental and second harmonic. Also, the wave-vector mismatch between fundamental and second harmonic is reduced which, in turn, can help in easy fabrication of long quasi-phase matching period. We compute relative efficiency of SHG with 8-fold PQF and obtain an enhancement of 28.97% relative efficiency of second harmonic in 8-fold photonic quasi-crystal fiber (159.53%W-1cm-2) compared to 6-fold photonic quasi-crystal fiber (123.69% W-1cm-2) in our optimized design. © Research India Publications.
About the journal
JournalInternational Journal of Applied Engineering Research
PublisherResearch India Publications