Dr. Abhijit Chakravarty Profile

Dr. Abhijit Chakravarty

Optical Hardware Engineer-Network

SPIE Involvement:

Author

Area of Expertise:

Fiber Optic Communications , Optical Sensors , Laser Material Processing , Optical Waveguide , Semiconductor Characterizations , Thin Film Coating Sensor

Publications (13)

SPIE Journal Paper | 8 August 2016

Wavelength independency of spatially multiplexed communication channels in standard multimode optical fibers

Syed Murshid, Gregory Lovell, Arnob Hridoy, Gurinder Parhar, Abhijit Chakravarty, Saud Alanzi, Bilas Chowdhury

OE, Vol. 55, Issue 08, 086104, (August 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.8.086104

KEYWORDS: Wavelength division multiplexing, Optical fibers, Multiplexing, Telecommunications, Optical communications, Multimode fibers, Fiber optic communications, Silica, Channel projecting optics, Cladding

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SPIE Journal Paper | 28 June 2016

Combining spatial domain multiplexing and orbital angular momentum of photon-based multiplexing to increase the bandwidth of optical fiber communication systems

Syed Murshid, Saud Alanzi, Arnob Hridoy, Gregory Lovell, Gurinder Parhar, Abhijit Chakravarty, Bilas Chowdhury

OE, Vol. 55, Issue 06, 066124, (June 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.6.066124

KEYWORDS: Multiplexing, Optical fibers, Multimode fibers, Channel projecting optics, Fiber optic communications, Optical vortices, Telecommunications, Laser sources, Sensors, Optical engineering

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Proceedings Article | 5 September 2014 Paper

Analysis of spatial domain multiplexing/space division multiplexing (SDM) based hybrid architectures operating in tandem with wavelength division multiplexing

Syed Murshid, Greg Lovell, Bilas Chowdhury, Arnob Hridoy, Gurinder Parhar, Abhijit Chakravarty, Saud Alanzi

Proceedings Volume 9202, 920214 (2014) https://doi.org/10.1117/12.2061148

KEYWORDS: Wavelength division multiplexing, Multiplexing, Optical fibers, Telecommunications, Cladding, Time division multiplexing, Optical communications, Fiber optic communications, Silica, Visible radiation

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Proceedings Article | 5 September 2014 Paper

An order of magnitude improvement in optical fiber bandwidth using spatial domain multiplexing/space division multiplexing (SDM) in conjunction with orbital angular momentum (OAM)

Syed Murshid, Saud Alanzi, Arnob Hridoy, Greg Lovell, Gurinder Parhar, Abhijit Chakravarty, Bilas Chowdhury

Proceedings Volume 9202, 92020U (2014) https://doi.org/10.1117/12.2061122

KEYWORDS: Optical fibers, Multiplexing, Wavelength division multiplexing, Laser sources, Wave propagation, Multimode fibers, Channel projecting optics, Spiral phase plates, Light, Optical vortices

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Proceedings Article | 4 May 2011 Paper

Optical encryption as a function of polarization in optical fiber communications

Syed Murshid, Hari Priya Muralikrishnan, Jayachandran Tamilarasan, Abhijit Chakravarty, H. John Caulfield

Proceedings Volume 8054, 80540M (2011) https://doi.org/10.1117/12.884426

KEYWORDS: Polarization, Beam splitters, Optical fibers, Fiber optic communications, Polarizers, Linear polarizers, Interference (communication), Computer security, Free space optics, Fiber optics

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Proceedings Article | 4 May 2011 Paper

Free-space optical communication link using spatial optical encryption

Syed Murshid, William Howard, Naureen Murshid, Abhijit Chakravarty

Proceedings Volume 8054, 80540L (2011) https://doi.org/10.1117/12.884386

KEYWORDS: Free space optics, Atmospheric optics, Geometrical optics, Free space optical communications, Transmitters, Data communications, Sensors, Receivers, Modulation, Atmospheric propagation

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Proceedings Article | 4 May 2011 Paper

Attenuation and bit error rate for four co-propagating spatially multiplexed optical communication channels of exactly same wavelength in step index multimode fibers

Syed Murshid, Abhijit Chakravarty

Proceedings Volume 8054, 80540P (2011) https://doi.org/10.1117/12.884408

KEYWORDS: Signal attenuation, Multimode fibers, Multiplexing, Channel projecting optics, Laser sources, Optical communications, Optical fibers, Integrated optics, Sensors, Optical multiplexing

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Proceedings Article | 5 May 2010 Paper

CAD simulated and experimental beam profile analysis of single-mode tapered fibers for optical bandwidth enhancement applications

Syed Murshid, Raka Biswas, Abhijit Chakravarty

Proceedings Volume 7666, 76660A (2010) https://doi.org/10.1117/12.850606

KEYWORDS: Optical fibers, Computer aided design, Optical simulations, Multiplexing, Multimode fibers, Single mode fibers, Signal detection, Beam analyzers, Multiplexers, Solid modeling

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Proceedings Article | 4 May 2010 Paper

Comparison of experimental and mathematical models of attenuation and dispersion for co-propagating helical channels of same wavelength in optical fibers

Syed Murshid, Abhijit Chakravarty

Proceedings Volume 7666, 766608 (2010) https://doi.org/10.1117/12.850612

KEYWORDS: Signal attenuation, Optical fibers, Mathematical modeling, Multiplexing, Dispersion, Systems modeling, Data modeling, Channel projecting optics, Computer aided design, Radio propagation

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Proceedings Article | 29 April 2010 Paper

SDM propagation model for multiple channels using ray theory

Syed Murshid, Ebad Zahir, Abhijit Chakravarty

Proceedings Volume 7682, 76820V (2010) https://doi.org/10.1117/12.850577

KEYWORDS: Mathematical modeling, Data modeling, MATLAB, Multiplexing, Multimode fibers, Geometrical optics, Refractive index, Optical fibers, Spatial filters, Refraction

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Proceedings Article | 29 April 2010 Paper

SDM propagation model for multiple channels using electromagnetic theory and vortex analysis

Syed Murshid, Ebad Zahir, Raka Biswas, Abhijit Chakravarty

Proceedings Volume 7682, 76820U (2010) https://doi.org/10.1117/12.850584

KEYWORDS: Radio propagation, Multiplexing, Multimode fibers, Mathematical modeling, Wave propagation, Electromagnetic theory, Data modeling, Multiplexers, Maxwell's equations, Fiber optic communications

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Proceedings Article | 29 April 2009 Paper

CAD model for co-propagating spatially multiplexed channels of same wavelength over standard multimode fibers

Syed Murshid, Raka Biswas, Abhijit Chakravarty

Proceedings Volume 7339, 73390O (2009) https://doi.org/10.1117/12.818960

KEYWORDS: Computer aided design, Multiplexing, Solid modeling, Optical simulations, Multimode fibers, Beam propagation method, Systems modeling, Device simulation, CCD cameras, Optical communications

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SPIE Journal Paper | 1 October 2008

Experimental results from copropagating analog channels of same wavelength over 600-meter-long standard step index multimode fiber

Syed Murshid, Abhijit Chakravarty

OE, Vol. 47, Issue 10, 105002, (October 2008) https://doi.org/10.1117/12.10.1117/1.3001790

KEYWORDS: Multiplexing, Multimode fibers, Analog electronics, Modulation, Channel projecting optics, Laser sources, Photodetectors, Sensors, Fiber optic communications, Local area networks

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Showing 5 of 13 publications

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