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Photonic crystal (PhC)

Reflectivity calculations in L3 photonic crystal slab cavities

Reflectivity calculations in L3 photonic crystal slab cavities

... the photonic crystal area, the SMM has been used to solve the scattering properties of finite two-dimensional periodic arrays of cylinders, el- lipses and squares [ 29 , 32 , 33 ...study photonic ...

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Design and Optimisation of Photonic Crystal Fibres for Applications in Communication Systems

Design and Optimisation of Photonic Crystal Fibres for Applications in Communication Systems

... Abstract- Photonic crystal fibre (PCF)s with zero chromatic dispersion at the telecommunication wavelength is reported. The PCF design parameters, such as the effects of air holes and structural design ...

4

Self-Heating Analysis of 1570 nm InGaAsP Buried Tunnel Junction Photonic Crystal VCSEL

Self-Heating Analysis of 1570 nm InGaAsP Buried Tunnel Junction Photonic Crystal VCSEL

... junction photonic crystal vertical-­‐cavity surface-­‐emitting laser (BTJ-­‐PhC VCSEL) is presented and investigated based on the powerful effective frequency method (Atlas – Device Simulation ...

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Jhong-sian Chiua , Wen-Bin Young

Jhong-sian Chiua , Wen-Bin Young

... diffraction order up to ±24th terms for both X and Y directions. As shown in Fig. 1(a), we simulated the reflectance spectra of periodic cavity array at normal incidence, so the incident angles θ, the azimuthal angle ϕ, ...

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UNIVERSIDADE FEDERAL DO PARÁ INSTITUTO DE TECNOLOGIA PROGRAMA DE PÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICA GIANNI MASAKI TANAKA PORTELA

UNIVERSIDADE FEDERAL DO PARÁ INSTITUTO DE TECNOLOGIA PROGRAMA DE PÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICA GIANNI MASAKI TANAKA PORTELA

... A compact optical switch based on a 2D photonic crystal (PhC) and a magneto-optical cavity is suggested and an- alyzed. The cavity is coupled to two parallel and misaligned PC waveguides and operates with ...

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Application of machine learning for real-time evaluation of salinity (or
TDS) in drinking water using photonic sensors

Application of machine learning for real-time evaluation of salinity (or TDS) in drinking water using photonic sensors

... A photonic crystal (PhC) based ring resonator sensor has been designed and simulated using the MEEP (MIT Electromagnetic Equation Propagation) tool and the finite difference time domain (FDTD) ...

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J. Braz. Chem. Soc.  vol.20 número1

J. Braz. Chem. Soc. vol.20 número1

... From mathematical perspective, at least three crystalline planes must be considered to determine which structure a lattice-site is in. And an important characteristic of face- centred cubic (FCC) structure is that each ...

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R A D I AT I V E C O U P L I N G B E T W E E N Q U A N T U M D O T S I N P H O T O N I C C R Y S TA L M O L E C U L E S

R A D I AT I V E C O U P L I N G B E T W E E N Q U A N T U M D O T S I N P H O T O N I C C R Y S TA L M O L E C U L E S

... of photonic crystals, namely, periodic spatially-modulated dielectrics, with potential capabilities of controlling the flow of ...light. Photonic crystals, schematically represented in ...two-dimensional ...

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Asymmetric band diagrams in photonic crystals with a spontaneous nonreciprocal response

Asymmetric band diagrams in photonic crystals with a spontaneous nonreciprocal response

... Tellegen photonic crystal is reducible to a crystal formed by only simple isotropic media using a duality transformation, then the dispersion diagrams of the original structure are exactly the same ...

41

Directional Coupler Based on a Photonic Quasi-Crystal Fiber with Extended Cores

Directional Coupler Based on a Photonic Quasi-Crystal Fiber with Extended Cores

... in photonic crystal fibers (PCF), a PQCF can be defined by the geometric parameters Λ (pitch), the center-to-center distance between the air holes, and the air hole diameter ...produces photonic band ...

7

J. Microw. Optoelectron. Electromagn. Appl.  vol.15 número4

J. Microw. Optoelectron. Electromagn. Appl. vol.15 número4

... Abstract — In this paper we have presented the four new investigations using different structures of Photonic Crystal Fiber (PCF) for broadband communication applications and narrows down on the design ...

15

J. Microw. Optoelectron. Electromagn. Appl.  vol.10 número1

J. Microw. Optoelectron. Electromagn. Appl. vol.10 número1

... Abstract— Fiber-To-The-Home (FTTH) technology has been significantly implemented in access networks, providing very high data rates transmission and a variety of digital content to subscribers. It involves an optical ...

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A Cascaded Incoherent Spectrum Sliced Transversal Photonic Microwave Filters-An Analysis

A Cascaded Incoherent Spectrum Sliced Transversal Photonic Microwave Filters-An Analysis

... Microwave/Millimeter-wave photonics, spectrum sliced microwave photonic filters, Radio-over-Fiber (ROF) systems and Photonic Crystal Fibers (PCF). She is a life member of IETE and ISTE and member in ...

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J. Microw. Optoelectron. Electromagn. Appl.  vol.10 número1

J. Microw. Optoelectron. Electromagn. Appl. vol.10 número1

... Abstract— In this paper a highly polarization maintaining birefringent photonic crystal fiber at telecommunication window is reported via Full-Vectorial Finite Element Method (FV-FEM). By taking triangular ...

9

Braz. J. Phys.  vol.34 número3A

Braz. J. Phys. vol.34 número3A

... In this way, the principal disadvantage of CXR could be avoided since the same CXR process is used for photon production and characterization of the crystal sample. The interaction of real photons with a sample ...

4

Braz. J. Phys.  vol.40 número3

Braz. J. Phys. vol.40 número3

... a crystal, that affects the ion increases as the space containing the ion becomes smaller and with increase in crystal field strength, the energy for the above transition is predicted to decrease, hence ...

5

ZNO nanoparticle fabrication starting from ultra-high (1:2) PVOHZnAc proportion electrospun nanowire mats

ZNO nanoparticle fabrication starting from ultra-high (1:2) PVOHZnAc proportion electrospun nanowire mats

... between crystal size and the oxygen antisite (O Zn ) CL peak area percentile, shown in Figure 9, as well as the remarkable change in the crystal stoichiometry, shown in the graph of Figure 5b, are evidences ...

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Study of Forbidden Transitions in Atomic Systems

Study of Forbidden Transitions in Atomic Systems

... first crystal have the same effect as a slightly different first crystal angle and, as discussed in ...second crystal does not corresponds to the real one, then the obtained energy will be wrong by ...

230

Structures of coxsackievirus, rhinovirus, and poliovirus polymerase elongation complexes solved by engineering RNA mediated crystal contacts.

Structures of coxsackievirus, rhinovirus, and poliovirus polymerase elongation complexes solved by engineering RNA mediated crystal contacts.

... The RV_r1 EC is the only structure where we observe significant contacts involving the downstream template duplex, but these appear to be non-specific interactions with other polymerase molecules in the lattice and not a ...

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Synthesis and Characterization of Niobium Carbide with Copper Addition Obtained Via Gas Solid Reaction

Synthesis and Characterization of Niobium Carbide with Copper Addition Obtained Via Gas Solid Reaction

... On Figure 3 SEM images of the 10% copper added niobium carbide are presented. Slight morphological changes could be observed upon increasing the dopant content. The material seems less porous than its pair at lower ...

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