Controlled sub-nanometer tuning of photonic crystal resonator by carbonaceous nano-dots

Controlled sub-nanometer tuning of photonic crystal resonator by carbonaceous nano-dots.

We propose and demonstrate a scheme that enables spectral tuning of a photonic crystal high-quality resonant mode, in steps finer than 0.2 nm, via electron beam induced deposition of carbonaceous nano-dots. The position and size of a nano-dot with a diameter of <100 nm are controlled to an accuracy on the order of nanometers. The possibility of selective modal tuning is also demonstrated by pla...

Analysis of Protein Concentration Based on Photonic Crystal Ring Resonator

In this paper, homogeneous, wavelength shift biosensor is designed for sensing the protein concentration using two dimensional Photonic Crystal Ring Resonator (PCRR). The sensor is designed to monitor the protein concentration from 0% to 100%. The proposed sensor is composed of periodic Si rods embedded in an air host with a circular PCRR that is placed between the inline quasi waveguides. It i...

Spontaneous emission control of single quantum dots by electromechanical tuning of a photonic crystal cavity

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Active Photonic Crystal Nano-architectures

The development of nano-scaled photonic crystal structures has resulted in many new devices exhibiting non-classical optical behavior. Typically, in these structures a photonic band gap and associated defect mode are used to create waveguides, resonators, couplers and filters. In this paper we propose that the functionality of these structures can be significantly enhanced by the infiltration o...

Photonic Crystal Ring Resonator Based Optical Filters