Abstract
Small-scale optical devices, designed and fabricated onto one dielectric substrate create integrated optical chip like their microelectronic analogues, and allow transmission, distribution, modulation, and processing of optical signals in optical communication systems, chemical and biological sensors, and more. The key component of these optical circuits providing both optical processing and photonic interconnections is the optical waveguide [1]. Optical confinement and transmitting of the light waves inside the waveguide material are possible due to the higher refractive index of the waveguides in comparison to their surroundings. In this work, we propose a novel field of bio-nano-photonics based on a new concept of optical waveguiding in synthetic elongated peptide nanostructures composed of ordered peptide dipole biomolecules. New technology of controllable deposition of peptide optical waveguiding structures by Nanopen technique is developed. Experimental studies of refractive index, optical transparency, linear and nonlinear waveguiding in out-of-plane and in-plane diphenylalanine peptide nanotubes have been conducted [2]. Optical waveguiding phenomena in peptide structures are simulated by the Finite Difference Time Domain method [3]. The advantages of this new class of bio-optical waveguides is high refractive index contrast, wide spectral range of optical transparency, and large optical nonlinearity making them promising for a new applications in integrated multifunctional photonic circuits [4].
© 2017 IEEE
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