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Sensitivity analysis and optimization of sub-wavelength optical gratings using adjoints
Sensitivity analysis sub-wavelength optical gratings
2015/8/6
Numerical optimization of photonic devices is often limited by a large design space: the finite-differences gradient method requires as many electric field computations as there are design...
Sensitivity enhancement in photonic crystal slab biosensors
Photonic crystals Guided waves Biological sensing and sensors Optical diagnostics for medicine
2015/8/10
Refractive index sensitivity of guided resonances in photonic crystal slabs is analyzed. We show that modal properties of guided resonances strongly affect spectral sensitivity and quality factors, re...
Optical Wavelength Multicasting Based on Four Wave Mixing in Highly Nonlinear Fiber with Reduced Polarization Sensitivity
Fiber optics communications Networks multicast Nonlinear optics four- wave mixing
2015/6/4
Using three co-polarized probes and a pump modulated signal, seven multicasting channels with 100-GHz spacing are demonstrated. The conversion efficiency fluctuation due to polarization sensitivity is...
Photonic-crystal slow-light enhancement of nonlinear phase sensitivity
Photonic-crystal nonlinear phase sensitivity
2015/8/11
We demonstrate how slow group velocities of light, which are readily achievable in photonic-crystal systems,can dramatically increase the induced phase shifts caused by small changes in the index of r...