Dr. Aref Bakhtazad Profile

Dr. Aref Bakhtazad

at Univ of Western Ontario

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Author

Publications (20)

Proceedings Article | 8 September 2011 Paper

Reflection mode two-dimensional photonic-crystal-slab-waveguide-based micropressure sensor

Yi Wang, Aref Bakhtazad, Jayshri Sabarinathan

Proceedings Volume 8007, 800711 (2011) https://doi.org/10.1117/12.905721

KEYWORDS: Waveguides, Sensors, Silicon, Reflection, Photonic crystals, Bridges, Finite-difference time-domain method, Etching, Optical alignment, Photoresist materials

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Proceedings Article | 8 September 2006 Paper

Open cavities using photonic crystals with negative refraction

Guilin Sun, Aref Bakhtazad, Aju Jugessur, Andrew Kirk

Proceedings Volume 6343, 63433M (2006) https://doi.org/10.1117/12.708026

KEYWORDS: Negative refraction, Refractive index, Prisms, Photonic crystals, Refraction, Dielectrics, Metamaterials, Finite-difference time-domain method, Mirrors, Super resolution

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Proceedings Article | 13 October 2005 Paper

Wavefront engineering with photonic crystal structures in slab waveguides

Andrew Kirk, Aref Bakhtazad

Proceedings Volume 5970, 597021 (2005) https://doi.org/10.1117/12.633442

KEYWORDS: Photonic crystals, Waveguides, Dispersion, Prisms, Demultiplexers, Wavefronts, Mirrors, Phase velocity, Wave propagation, Light wave propagation

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Proceedings Article | 20 December 2004 Paper

Lens design with planar 1D photonic crystal

Aref Bakhtazad, Andrew Kirk

Proceedings Volume 5577, (2004) https://doi.org/10.1117/12.567522

KEYWORDS: Photonic crystals, Waveguides, Lens design, Refractive index, Collimation, Wavefronts, Aspheric lenses, Light wave propagation, Phase velocity, Wave propagation

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Proceedings Article | 9 July 2004 Paper

Superprism effect with planar 1D photonic crystal

Aref Bakhtazad, Andrew Kirk

Proceedings Volume 5360, (2004) https://doi.org/10.1117/12.529362

KEYWORDS: Dispersion, Photonic crystals, Prisms, Refractive index, Waveguides, 3D modeling, Refraction, Waveguide modes, Polarization, Scattering

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Proceedings Article | 9 July 2004 Paper

Weighted index method for planar 1D photonic crystals

Aref Bakhtazad, Andrew Kirk

Proceedings Volume 5360, (2004) https://doi.org/10.1117/12.529375

KEYWORDS: Photonic crystals, Refractive index, Waveguides, Dispersion, Cladding, Dielectrics, Wave propagation, Scattering, Crystals, Light wave propagation

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Proceedings Article | 8 February 2002 Paper

Improving the performance of the semiconductor panel used in millimeter and IR radar by shaping illuminating spot properties

Mohammad Rahnavard, Aref Bakhtazad, Mehrdad Zomorrodi

Proceedings Volume 4486, (2002) https://doi.org/10.1117/12.455109

KEYWORDS: Semiconductors, Transparency, Image enhancement, Extremely high frequency, Signal attenuation, Optical signal processing, Image resolution, Imaging systems, CRTs, Infrared imaging

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Proceedings Article | 16 November 2000 Paper

Laser-scanning semiconductor panels and their use in IR and millimeter wave radar

Mohammad Rahnavard, Aref Bakhtazad, Mehrdad Zomorrodi

Proceedings Volume 4131, (2000) https://doi.org/10.1117/12.406539

KEYWORDS: Semiconductors, Signal attenuation, Extremely high frequency, Semiconductor lasers, Diffusion, Radar, Electron beams, Infrared imaging, Visible radiation, Reflection

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Proceedings Article | 14 July 2000 Paper

Optimization of tapering profile in IC-DFB and DBR lasers

Habibollah Abiri, Sadegh Farzaneh, Aref Bakhtazad, Mohammad Rahnavard

Proceedings Volume 3944, (2000) https://doi.org/10.1117/12.391494

KEYWORDS: Phase shifts, Laser damage threshold, Quantum efficiency, Hole burning spectroscopy, Erbium, Yield improvement, Distributed Bragg reflectors, Reflectors, Refractive index, Statistical analysis

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Proceedings Article | 14 July 2000 Paper

Optimization of first-order and second-order trapezoidal gratings used in DFB and DBR lasers

Habibollah Abiri, Sadegh Farzaneh, Aref Bakhtazad, Mohammad Rahnavard

Proceedings Volume 3944, (2000) https://doi.org/10.1117/12.391493

KEYWORDS: Cladding, Waveguides, Dielectrics, Free space, Distributed Bragg reflectors, Laser damage threshold, Wave propagation, Refractive index, Laser applications, Electroluminescence

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Proceedings Article | 6 August 1999 Paper

Orthogonal coupled-mode theory for rectangular dielectric waveguides

Aref Bakhtazad, Habibollah Abiri, Rahim Ghayour, Mohammad Rahnavard, Mehrdad Zomorrodi

Proceedings Volume 3625, (1999) https://doi.org/10.1117/12.356872

KEYWORDS: Waveguides, Dielectrics, Refractive index, Directional couplers, Neodymium, Wave propagation, Analytical research, Instrument modeling, Differential equations, Information operations

Proceedings Article | 6 August 1999 Paper

Effect of index tapering on characteristics of DFB and DBR lasers

Habibollah Abiri, F. Emami, Aref Bakhtazad, Mohammad Rahnavard

Proceedings Volume 3625, (1999) https://doi.org/10.1117/12.356936

KEYWORDS: Laser damage threshold, Reflectivity, Yield improvement, Semiconductor lasers, Wave propagation, Electrical engineering, Electroluminescence, Internal quantum efficiency, Light sources, Optical communications

Proceedings Article | 2 July 1999 Paper

Laser scanning semiconductor panels and their use in IR and millimeter-wave radar

Aref Bakhtazad, Mohammad Rahnavard, Mehrdad Zomorrodi

Proceedings Volume 3787, (1999) https://doi.org/10.1117/12.351651

KEYWORDS: Signal attenuation, Semiconductors, Extremely high frequency, Radar, Diffusion, Laser scanners, Semiconductor lasers, Visualization, Optical resolution, Electromagnetism

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Proceedings Article | 24 September 1996 Paper

New coupled mode analysis of gain coupled DFB lasers

Abdolnasser Zakery, Aref Bakhtazad

Proceedings Volume 2886, (1996) https://doi.org/10.1117/12.251883

KEYWORDS: Refractive index, Polarization, Waveguides, Shape analysis, Matrix multiplication, Dielectric polarization, Aluminum, Physics, Dielectrics, Information operations

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Proceedings Article | 24 September 1996 Paper

Coupled mode analysis of second order loss-coupled DFB lasers

Abdolnasser Zakery, R. Zare, Aref Bakhtazad

Proceedings Volume 2886, (1996) https://doi.org/10.1117/12.251884

KEYWORDS: Absorption, Radiation effects, Laser scattering, Refractive index, Cladding, Waveguides, Wave propagation, Diffraction gratings, Teeth, Resonators

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Proceedings Article | 19 June 1995 Paper

Extended coupled-mode theory for grating-assisted codirectional couplers

Habibollah Abiri, Aref Bakhtazad, Mohammad Rahnavard

Proceedings Volume 2399, (1995) https://doi.org/10.1117/12.212486

KEYWORDS: Waveguides, Refractive index, Composites, Directional couplers, Wave propagation, Waveguide modes, Dielectrics, Differential equations, Analytical research, Integrated optics

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Proceedings Article | 15 December 1993 Paper

Optimization of first-order trapezoidal gratings used in distributed feedback and distributed Bragg reflector lasers

Mohammad Rahnavard, Habibollah Abiri, H. Sarmadi, Aref Bakhtazad

Proceedings Volume 1992, (1993) https://doi.org/10.1117/12.165691

KEYWORDS: Waveguides, Micro optics, Dielectrics, Distributed Bragg reflectors, Refractive index, Cladding, Ions, Reflectors, Wave propagation, Error control coding

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Proceedings Article | 1 December 1991 Paper

Tapered DBR for improving characteristics of DFB and DBR lasers

Mohammad Rahnavard, Aref Bakhtazad, Habibollah Abiri

Proceedings Volume 1562, (1991) https://doi.org/10.1117/12.50793

KEYWORDS: Reflectivity, Optical signal processing, Ions, Spatial light modulators, Fiber lasers, Neodymium, Wave propagation, Digital signal processing, Laser development, Optical fibers

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Proceedings Article | 1 March 1991 Paper

Excess carrier profile in a moving Gaussian spot illumination semiconductor panel and its use as a laser sensor

Mohammad Rahnavard, Aref Bakhtazad

Proceedings Volume 1385, (1991) https://doi.org/10.1117/12.25353

KEYWORDS: Semiconductors, Semiconductor lasers, Diffusion, Sensors, Extremely high frequency, Machine vision, Light sources, Bessel functions, Convolution, Argon

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Proceedings Article | 1 November 1990 Paper

Attenuation of millimeter wave in moving Gaussian spot illuminated semiconductor panel

Mohammad Rahnavard, Aref Bakhtazad

Proceedings Volume 1338, (1990) https://doi.org/10.1117/12.23000

KEYWORDS: Signal attenuation, Semiconductors, Extremely high frequency, Semiconductor lasers, Optoelectronic devices, Visualization, Direct methods, Convolution, Diffusion, Bessel functions

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