Prof. Vijay Janyani Profile

Prof. Vijay Janyani

Professor at Malaviya National Institute of Technology Jaipur

SPIE Involvement:

Author | Editor | Student Chapter Advisor

Publications (21)

Proceedings Article | 26 November 2023 Paper

Analysis of LDPC coded FSO communication system over correlated gamma-gamma turbulence channel for space shift keying modulation

Bipin Saw, Ghanshyam Singh, Vijay Janyani, Santosh Kumar

Proceedings Volume 12776, 127760H (2023) https://doi.org/10.1117/12.2687617

KEYWORDS: Signal to noise ratio, Free space optics, Receivers, Turbulence, Transmitters, Telecommunications, Modulation, Laser sources, Systems modeling, Forward error correction

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SPIE Journal Paper | 2 September 2021

Design and performance investigation of a highly efficient copper-indium-gallium-selenide solar cell

Abhinav Bhatnagar, Sulabh Srivastava, Vijay Janyani

JNP, Vol. 15, Issue 03, 036006, (September 2021) https://doi.org/10.1117/12.10.1117/1.JNP.15.036006

KEYWORDS: Solar cells, Copper indium gallium selenide, Zinc, Cadmium sulfide, Transparent conductors, Photons, Interfaces, Electrons, External quantum efficiency, Absorption

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SPIE Journal Paper | 21 July 2021

Realization of all-optical logic gates using a single design of 2D photonic band gap structure by square ring resonator

Mayur Chhipa, Boddapati T. Madhav, Savarimuthu Robinson, Vijay Janyani, Bhuvneshwer Suthar

OE, Vol. 60, Issue 07, 075104, (July 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.7.075104

KEYWORDS: Logic devices, Chromium, Waveguides, Resonators, Logic, Picosecond phenomena, Photonic crystals, Optical engineering, Silicon, Structural design

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Proceedings Article | 21 August 2020 Presentation + Paper

Performance analysis of thin film CIGS solar cell at different values of thickness, bandgap and temperature through numerical simulation

Abhinav Bhatnagar, Anoopshi Johari, Vijay Janyani

Proceedings Volume 11467, 114670K (2020) https://doi.org/10.1117/12.2567882

KEYWORDS: Copper indium gallium selenide, Solar cells, Thin film solar cells, Thin films, Gallium, Metals, Indium, Numerical simulations, Solar energy

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SPIE Journal Paper | 14 June 2018

Design and fabrication of InGaN/GaN superlattice-based solar cell using photonic crystal structure

Nikhil Deep Gupta, Vijay Janyani, Manish Mathew, Monika Kumari, Rajendra Singh

JNP, Vol. 12, Issue 04, 043505, (June 2018) https://doi.org/10.1117/12.10.1117/1.JNP.12.043505

KEYWORDS: Solar cells, Gallium, Absorption, Photons, Gallium nitride, Indium, Optical lithography, Photonic crystals, Reflection, Structural design

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SPIE Journal Paper | 23 February 2017

Energy efficient flexible hybrid wavelength division multiplexing-time division multiplexing passive optical network with pay as you grow deployment

Amit Kumar Garg, Amresh Ashok Madavi, Vijay Janyani

OE, Vol. 56, Issue 02, 026119, (February 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.2.026119

KEYWORDS: Wavelength division multiplexing, Multiplexing, Reliability, Phase shifts, Passive optical networks, Picosecond phenomena, Network architectures, WDM-PON, Optical engineering, Transmitters

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Proceedings Article | 10 February 2017 Paper

Tunable photonic crystal switch based on ring resonators with improved crosstalk and Q-factor

Massoudi Radhouene, Najjar Monia, Vijay Janyani

Proceedings Volume 10250, 102500Z (2017) https://doi.org/10.1117/12.2266851

KEYWORDS: Photonic crystals, Switches, Resonators

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SPIE Journal Paper | 7 October 2016

Simulation and analysis of the absorption enhancement in p-i-n InGaN/GaN solar cell using photonic crystal light trapping structures

Nikhil Deep Gupta, Vijay Janyani

OE, Vol. 55, Issue 10, 107102, (October 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.10.107102

KEYWORDS: Gallium, Indium, Absorption, Solar cells, Photons, Optical lithography, Gallium nitride, Diffraction, Aluminum, Etching

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SPIE Journal Paper | 5 February 2015

Birefringence and large mode area analysis of segmented cladding index-guiding photonic crystal fibers

Vinay Kanungo, Vijay Janyani, Mohammad Salim

OE, Vol. 54, Issue 02, 025105, (February 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.2.025105

KEYWORDS: Cladding, Birefringence, Fermium, Frequency modulation, Photonic crystal fibers, Signal attenuation, Infrared radiation, Structured optical fibers, Polarization, Phase modulation

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Proceedings Article | 28 January 2013 Paper

Improved efficiency and enhanced slow light performance in photonic crystal waveguides using rectangular unit cells

Nagesh Janrao, Rukhsar Zafar, Sanjeev Metya, Vijay Janyani

Proceedings Volume 8760, 87602B (2013) https://doi.org/10.1117/12.2012497

KEYWORDS: Waveguides, Dispersion, Slow light, Photonic crystals, Cladding, Crystals, Analytical research, Electronics, Telecommunications, Finite-difference time-domain method

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Proceedings Article | 28 January 2013 Paper

Two octave spanning supercontinuum generation in hexagonal spiral photonic crystal fiber

Manish Tiwari, Vijay Janyani

Proceedings Volume 8760, 87602F (2013) https://doi.org/10.1117/12.2012351

KEYWORDS: Dispersion, Silica, Supercontinuum generation, Solitons, Photonic crystal fibers, Nonlinear optics, Raman scattering, Scanning probe microscopy, Refractive index, Light scattering

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SPIE Journal Paper | 18 July 2012

Modeling of a high-performance multimode interference optical switch using reconfigurable image modulated region

Ghanshyam Singh, Vijay Janyani, Rajendra Prasad Yadav

OE, Vol. 51, Issue 7, 074006, (July 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.7.074006

KEYWORDS: Switches, Waveguides, Brain-machine interfaces, Refractive index, Modulation, Switching, Optical switching, Tolerancing, Electroluminescence, Polarization

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SPIE Journal Paper | 4 June 2012

Improved design of photonic crystal waveguides with elliptical holes for enhanced slow light performance

Nagesh Janrao, Rukhsar Zafar, Vijay Janyani

OE, Vol. 51, Issue 6, 064001, (June 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.6.064001

KEYWORDS: Waveguides, Photonic crystals, Slow light, Dispersion, Refractive index, Optical engineering, Electro optics, Switches, Transmittance, Communication engineering

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SPIE Journal Paper | 4 May 2012

Modeling of a compact and completely non-blocking 4 × 4 multimode interference switch for optical communication applications

Ghanshyam Singh, Abhishek Goyal, Rajendra Prasad Yadav, Vijay Janyani

OE, Vol. 51, Issue 5, 055002, (May 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.5.055002

KEYWORDS: Switches, Brain-machine interfaces, Waveguides, Switching, Refractive index, Optical switching, Lithium niobate, Optical communications, Modulation

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Proceedings Article | 29 February 2012 Paper

Modeling of a 2x2 multimode interference switch for wider optical window operation

G. Singh, A. Goyal, V. Janyani, R. P. Yadav

Proceedings Volume 8255, 82551A (2012) https://doi.org/10.1117/12.912589

KEYWORDS: Switches, Waveguides, Brain-machine interfaces, Refractive index, Titanium, Switching, Lithium niobate, Channel waveguides, Wave propagation

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SPIE Journal Paper | 1 December 2011

Dispersion tolerance of Miller signal in optical domain

Sanjeev Metya, Vijay Janyani, Shri Modani

OE, Vol. 50, Issue 12, 125007, (December 2011) https://doi.org/10.1117/12.10.1117/1.3659221

KEYWORDS: Tolerancing, Optical filters, Electronic filtering, Receivers, Binary data, Optical engineering, Logic devices, Optical communications, Computer programming, Signal generators

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Proceedings Article | 24 August 2011 Paper

Octave spanning supercontinuum in soft glass equiangular spiral photonic crystal fiber

Manish Tiwari, Arti Agrawal, Vijay Janyani, B. M. Azizur Rahman

Proceedings Volume 8173, 817313 (2011) https://doi.org/10.1117/12.897890

KEYWORDS: Dispersion, Supercontinuum generation, Glasses, Photonic crystal fibers, Fiber lasers, Raman scattering, Wave propagation, Solitons, Ytterbium, Phase modulation

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Proceedings Article | 1 June 2011 Paper

Process optimization to design titanium-indiffused lithium niobate channel waveguides for Mach-Zehnder interferometer switch

G. Singh, S. Gupta, S. Bothra, V. Janyani, R. Yadav

Proceedings Volume 8069, 80690W (2011) https://doi.org/10.1117/12.886918

KEYWORDS: Switches, Interferometry, Lithium niobate, Channel waveguides, Waveguides, Diffusion, Electrodes, Mach-Zehnder interferometers, Process control, Switching

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Proceedings Article | 14 February 2011 Paper

Hydrogen silsesquioxane (HSQ): a perfect negative tone resist for developing nanostructure patterns on a silicon platform

G. Singh, P. Stenberg, P. Vahima, M. Kuittinen, R. P. Yadav, V. Janyani

Proceedings Volume 7927, 792715 (2011) https://doi.org/10.1117/12.874851

KEYWORDS: Silicon, Electron beam lithography, Hydrogen, Nanostructures, Photoresist processing, Lithography, Scanning electron microscopy, Silicon films, Semiconducting wafers, Physics

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Proceedings Article | 12 February 2009 Paper

Analysis of confinement loss and single mode property in five layer hexagonal (circular/elliptical) layouts of microstructured photonic crystal fiber

Ritu Sharma, Vijay Janyani

Proceedings Volume 7214, 72141O (2009) https://doi.org/10.1117/12.808101

KEYWORDS: Optical fibers, Cladding, Photonic crystal fibers, Finite-difference time-domain method, Waveguides, Refractive index, Silica, Electronic support measures, Dispersion, Single mode fibers

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Proceedings Article | 26 January 2009 Paper

Performance analysis for all optical switch based on MZI switching element with SOA's

Ghanshyam Singh, R. P. Yadav, Vijay Janyani, Ritu Sharma

Proceedings Volume 7235, 723509 (2009) https://doi.org/10.1117/12.810233

KEYWORDS: Switches, Switching, Signal attenuation, Optical networks, Optical amplifiers, Semiconductor optical amplifiers, Optical components, Optical switching, Interferometry, Electronics

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Showing 5 of 21 publications

Proceedings Volume Editor (1)

SPIE Conference Volume | 28 January 2013

International Conference on Communication and Electronics System Design

Conference Committee Involvement (1)

International Conference on Communication and Electronics System Design

28 January 2013 | Jaipur, India

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