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Home » Publications » Photonic Crystal Mikaelian Lenses and their potential use as transverse focusing elements in microstructured fibers

Photonic Crystal Mikaelian Lenses and their potential use as transverse focusing elements in microstructured fibers

Publication date 2013
B-Phot Authors Thomas Geernaert, Hugo Thienpont, Francis Berghmans
DOI 10.1109/JSTQE.2013.2247568
Citation
T. Baghadasaryan, T. Geernaert, H. Thienpont, and F. Berghmans, “Photonic Crystal Mikaelian Lenses and their potential use as transverse focusing elements in microstructured fibers,” IEEE J. Sel. Top. Quantum Electron., vol. 19, no. 5, p. 1701908, 2013.
Abstract We present a detailed comparison of experimental and simulated optical spectra obtained from a 980-nm photonic-crystal (PhC) VCSEL. We demonstrate good qualitative agreement of the experimental spectra with the calculated emitted wavelengths for number of VCSEL structures with different PhC designs. We show the statistical analysis which reveals that strong confinement introduced by the photonic crystal contributes to the conformity between experiment and theory. For shallow etching of the photonic crystal holes, narrow optical aperture, and large diameter air-holes, we observe that diffraction and mode leakage through the PhC holes becomes the dominating phenomena, and then any fabrication imperfection may contribute to discrepancy between theory and experiment.
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