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Integrated Photonics

Devices 1

Hybrid Devices
We have several projects investigating light-matter interactions between the whispering gallery mode and different material coatings.  For example, we are studying how nanomaterial coatings which exhibit non-linear optical properties can be used to manipulate the optical behavior of the device.  We are also investigating using active materials, such as NLO polymers, as coatings.
Integrated Photonics
We have projects which are devoted to developing new integrated optical devices, such as low threshold on-chip lasers and photonic circuitry (low-loss waveguides, splitters).
FEM/FDTD Modeling
In addition to developing new devices, we also perform 2D and 3D FEM and FDTD simulations to better understand our experimental results and direct our experiments.


Recent Papers in this area:

M. Harrison, A. M. Armani, "Portable polarimetric fiber stress sensor system for visco-elastic and biomimetic material analysis", Applied Physics Letters 106 (20), 191105 (2015).
A. B. Socorro, S. Soltani, I. Del Villar, J. M. Corres, A. M. Armani, "Temperature sensor based on a hybrid ITO-silica resonant cavity", Optics Express 23 (3), 1930-1937 (2015). 
M. V. Chistiakova, A. M. Armani, "Photoelastic ultrasound detection using ultra-high-Q silica optical resonators", Optics Express 22 (23), 28169-28179 (2014).
S. Soltani, A. M. Armani, "Optothermal transport behavior in whispering gallery mode optical cavities", Applied Physics Letters 105 (5), 051111 (2014).
S. Mehrabani, A. J. Maker, A. M. Armani, "Hybrid integrated label-free chemical and biological sensors", Sensors 14 (4), 5890-5928 (2014).
N. Deka, A. J. Maker, A. M. Armani, "Titanium enhanced Raman microcavity laser", Optics Letters 39 (6), 1354-1357 (2014).
X. Zhou, L. Zhang, A. M. Armani, D. Zhang, X. Duan, J. Liu, H. Zhang, W. Pang, "On-chip biological and chemical detection with reversed Fano lineshape enabled by embedded microring resonators", IEEE Journal of Selected Topics in Quantum Electronics 20 (3), 5200110 (2014).
C. Shi, S. Soltani, A. M. Armani, "Gold nanorod plasmonic upconversion microlaser", Nano Letters 13 (12), 5827-5831 (2013).
A. J. Maker, A. M. Armani, "NanoWatt threshold, alumina sensitized neodymium laser integrated on silicon", Optics Express 21 (22), 27238-27245 (2013).
S. Mehrabani, A. M. Armani, "Blue upconversion laser based on thulium doped silica microcavity", Optics Letters 38 (21), 4346-4349 (2013).
X. Zhang, A. M. Armani, "Silica microtoroid resonator sensor with monolithically integrated waveguides", Optics Express 21 (20), 23592-23603 (2013).
X. Zhou, L. Zhang, A. M. Armani, R. G. Beausoleil, A. E. Willner, W. Pang, "Power enhancement and phase regimes in embedded microring resonators in analogy with electromagnetically induced transparency", Optics Express 21 (17), 20179-20186 (2013).
S. Mehrabani, P. Kwong, M. Gupta, A. M. Armani, “Hybrid microcavity humidity sensor”, Applied Physics Letters 102, 241101 (2013).
S. Soltani,  A. M. Armani, “Optimal design of suspended silica on-chip splitter”, Optics Express 21 (6), 7748-7757 (2013).
X. Zhang, M. Harrison, A. Harker, A. M. Armani, “Serpentine low loss trapezoidal silica waveguides on silicon”, Optics Express 20 (20), 22298-22307 (2012).
M. Chistiakova, A. M. Armani, “Cascaded Raman microlaser in air and buffer”, Optics Letters 37 (19), 4068-4070 (2012).
A. J. Maker, B. A. Rose, A. M. Armani, “Tailoring the behavior of optical microcavities with high refractive index sol-gel coatings”, Optics Letters 37 (14), 2844-2846 (2012).
C. Shi, H. -S. Choi, A. M. Armani, “Optical microcavities with a thiol-functionalized gold nanoparticle polymer thin film coating”, Applied Physics Letters, 100 (1), 013305 (2012).
A. Maker, A. M. Armani, “Low loss silica on silicon waveguide”, Optics Letters, 36 (19), 3729-3731 (2011).
X. Zhang, A. M. Armani, “Suspended bridge-like silica 2x2 beam splitter on silicon”, Optics Letters, 36 (15), 3012-3014 (2011).
H.-S. Choi, A. M. Armani, “Thermal non-linear effects in hybrid optical microresonators”, Applied Physics Letters 97 (22), 223306 (2010).
X. Zhang, H.-S. Choi, A. M. Armani, “Ultimate quality factor of silica microtoroid resonant cavities,” Applied Physics Letters 96 (15), 153304 (2010).
H.-S. Choi, X. Zhang, A. M. Armani, “Hybrid silica-polymer ultra-high-Q microresonators,” Optics Letters 35 (4), 459 (2010).
H.-S. Hsu, C. Cai, A. M. Armani, “Ultra-low-threshold Er:Yb sol-gel microlaser on silicon,” Optics Express 17 (25), 23265 (2009).