Abstract

We present a technique for manipulating the dispersive properties of low index periodic structures using microfluidic materials that fill the lattice with various fluids of different refractive indices. In order to quantify the modulation of the optical properties of the periodic structure we use Equi-frequency contours (EFC) data to calculate the frequency dependant refractive index and the refractive angle. We further introduce various types of defects by selectively filling specific lattice sites and measuring the relative change in the index of refraction. Finally we design and optically characterize an adaptive low index photonic crystal based lens with tunable optical properties using various microfluidics. We also present experimental results for a silicon-based PhC lens used as an optical coupling element.

© 2005 Optical Society of America

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," IEEE J. Sel. Topics Quantum Electron. (1)

J. Witzens, M. Loncar, and A. Scherer, "Self-collimation in planar photonic crystals," IEEE J. Sel. Topics Quantum Electron. 8, (2002).

App. Phys. Lett. (1)

H. Kosaka, T. Kawashima, A. Tomita, M. Notomi, T. Tamamura, T. Sato, and S. Kawakami, "Self-collimating phenomena in photonic crystals," App. Phys. Lett. 74. 1212-1214, (1999).
[CrossRef]

Appl. Opt. (1)

Appl. Phys. Lett. (1)

Y. Y. Huang, Y. Xu, and A. Yariv, "Fabrication of functional microstructured optical fibers through a selective-filling technique," Appl. Phys. Lett. 85. 5182-5184, (2004).
[CrossRef]

IEEE Photonics Technology Letters (1)

H. C. Nguyen, P. Domachuk, M. J. Steel, and B. J. Eggleton, "Experimental and finite difference time domain technique characterization of transverse in-line photonic crystal fiber," IEEE Photonics Technology Letters 16. 1852-1854, (2004).
[CrossRef]

Journal of Microlithography Microfabrica (1)

D. M. Pustai, A. Sharkawy, S. Y. Shi, G. Jin, J. Murakowski, and D. W. Prather, "Characterization and analysis of photonic crystal coupled waveguides," Journal of Microlithography Microfabrication and Microsystems 2. 292-299, (2003).

Opt. Commun. (1)

T. Sondergaard, A. Bjarklev, J. Arentoft, M. Kristensen, J. Erland, J. Broeng, and S. E. B. Libori, "Designing finite-height photonic crystal waveguides: confinement of light and dispersion relations," Opt. Commun. 194. 341-351, (2001).
[CrossRef]

Opt. Express (2)

Opt. Lett. (2)

Phys. Rev. B (2)

H. Kosaka, T. Kawashima, AkihisaTomita, M. Notomi, T. Tamamura, T. Sato, and S. Kawakami,"Superprism Phenomena in Photnic Crystals," Phys. Rev. B 58. R10096-R10099, (1998).
[CrossRef]

S. Fan, P. R. Villeneuve, and J. D. Joannopoulos, "Microcavities in Photonic Crystals: Mode Symmetry, Tunability, and Coupling Efficiency," Phys. Rev. B 54. 7837-7842, (1996).
[CrossRef]

Phys. Rev. Lett. (1)

P. Halevi, "Photonic Crystal optics and Homogenization of 2D periodic Composites," Phys. Rev. Lett. 82. 719-722, (1999).
[CrossRef]

Other (1)

S. G. Johnson and J. D. Joannopoulos, Photonic Crystals: The road from Theory to Practice. Norwell, MA: Kluwer Academic Publishers, (2002).

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