Dr. Vishal Choudhury Profile

Dr. Vishal Choudhury

at Ctr for Nano Science and Engineering CeNSE

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Author

Publications (11)

Proceedings Article | 4 March 2022 Presentation + Paper

Fourier pulse shaper assisted feedback in cascaded Raman lasers for reduced linewidth and wide wavelength tunability

Sarthak Dash, Rashmita Deheri, Vishal Choudhury, V. Supradeepa

Proceedings Volume 11997, 119970K (2022) https://doi.org/10.1117/12.2609623

KEYWORDS: Fiber lasers, Optical filters, Wavelength tuning, Quantum cascade lasers, Mirrors, Ytterbium, Pulsed laser operation, Feedback control, Reflectivity

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Proceedings Article | 5 March 2021 Presentation + Paper

Tunable random distributed feedback Raman fiber laser with Fourier spectral shaper for feedback control

Sarthak Dash, Rashmita Deheri, Vishal Choudhury, V. Supradeepa

Proceedings Volume 11665, 116650Q (2021) https://doi.org/10.1117/12.2583214

KEYWORDS: Raman spectroscopy, Fiber lasers, Optical filters, Feedback control, Tunable lasers, Quantum cascade lasers, Wavelength tuning, Spectral resolution, Laser systems engineering, Bridges

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Proceedings Article | 2 March 2020 Presentation + Paper

Fourier pulse shaper for high power fiber coupled lasers and supercontinuum sources

Vishal Choudhury, Arun S., V. Supradeepa

Proceedings Volume 11287, 1128707 (2020) https://doi.org/10.1117/12.2546439

KEYWORDS: Supercontinuum sources, Fiber couplers, Continuous wave operation, Cladding, Optical filters, Collimators, High power fiber lasers, High power lasers, High power fiber coupled lasers, Optical pulse shaping, Femtosecond pulse shaping

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Proceedings Article | 7 March 2019 Paper

Continuously linewidth tunable, polarisation maintaining narrow linewidth fiber laser

B. Vikram, Vishal Choudhury, Roopa Prakash, Santosh Aparanji, V. Supradeepa

Proceedings Volume 10897, 108971V (2019) https://doi.org/10.1117/12.2510431

KEYWORDS: Linear filtering, Attenuators, Phase modulation, Polarization, Fiber lasers, Modulators, Ytterbium, Optical amplifiers, Laser scattering, Nonlinear optics

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Proceedings Article | 4 March 2019 Paper

Observation of visible light flashes in high power, near infrared, narrow-linewidth fiber lasers and its potential use as a visual monitor for stimulated Brillouin scattering

Vishal Choudhury, Santosh Aparanji, Roopa Prakash, V. Balaswamy, V. Supradeepa

Proceedings Volume 10903, 109030K (2019) https://doi.org/10.1117/12.2510276

KEYWORDS: Fiber lasers, Visible radiation, Optical amplifiers, Harmonic generation, High harmonic generation

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Proceedings Article | 4 March 2019 Presentation + Paper

Spectral and temporal stability of cascaded Raman based high power, octave spanning, continuous-wave, supercontinuum sources

S. Arun, Vishal Choudhury, V. Balaswamy, V. Supradeepa

Proceedings Volume 10902, 1090209 (2019) https://doi.org/10.1117/12.2510165

KEYWORDS: Supercontinuum sources, Continuous wave operation, Fiber lasers, Raman spectroscopy, Ytterbium, Laser sources, Nonlinear optics, Optical fibers, High power lasers

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Proceedings Article | 4 March 2019 Presentation + Paper

Demonstration of input wavelength flexible cascaded Raman resonators based on the inclusion of a broadband distributed feedback reflector

Roopa Prakash, V. Balaswamy, Vishal Choudhury, C. Lakshmi, V. Supradeepa

Proceedings Volume 10902, 109021D (2019) https://doi.org/10.1117/12.2509759

KEYWORDS: Reflectors, Resonators, Fiber lasers, Ytterbium, Wavelength division multiplexing, Amplifiers, Optical filters, Optical fibers, Fiber Bragg gratings

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Proceedings Article | 4 March 2019 Presentation + Paper

Experimental analysis of stimulated Brillouin enhancement in high power, line-broadened, narrow-linewidth fiber amplifiers due to spectral overlap between the Brillouin gain spectrum and the signal back-scatter from the fiber termination

V. Balaswamy, Roopa Prakash, Vishal Choudhury, Santosh Aparanji, B. S. Vikram, V. Supradeepa

Proceedings Volume 10902, 109021G (2019) https://doi.org/10.1117/12.2510317

KEYWORDS: Phase modulation, Autoregressive models, Fiber amplifiers, Optical amplifiers, Optical fibers, Backscatter, Rayleigh scattering, Scattering, Reflection, High power fiber amplifiers

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Proceedings Article | 26 February 2018 Presentation + Paper

Simple modules for high efficiency conversion of standard ytterbium doped fiber lasers into octave spanning continuous-wave supercontinuum sources

S. Arun, Vishal Choudhury, V. Balaswamy, V. Supradeepa

Proceedings Volume 10512, 105121W (2018) https://doi.org/10.1117/12.2289893

KEYWORDS: Ytterbium, Fiber lasers, Supercontinuum sources, Raman spectroscopy, Supercontinuum generation, Continuous wave operation, Optical fibers, Single mode fibers, Laser sources, Wavelength division multiplexing

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Proceedings Article | 22 February 2018 Presentation + Paper

Low power generation of equalized broadband CW supercontinua using a novel technique incorporating modulation instability of line broadened pump

Roopa Prakash, Vishal Choudhury, S. Arun, V. R. Supradeepa

Proceedings Volume 10528, 1052817 (2018) https://doi.org/10.1117/12.2289495

KEYWORDS: Supercontinuum generation, Fiber lasers, Continuous wave operation, Supercontinuum sources, Nonlinear optics, Imaging spectroscopy

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Proceedings Article | 20 February 2018 Paper

Spectrally resolved, broadband frequency response characterization of photodetectors using continuous-wave supercontinuum sources

Vishal Choudhury, Roopa Prakash, K. P. Nagarjun, V. R. Supradeepa

Proceedings Volume 10513, 105131O (2018) https://doi.org/10.1117/12.2289494

KEYWORDS: Photodetectors, Continuous wave operation, Supercontinuum sources, Calibration, Spectrum analysis, Pulsed laser operation, Light sources, Optical filters, Modulation, Sensors

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Showing 5 of 11 publications

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