Mr. Velpula Balaswamy Profile

Velpula Balaswamy

Assistant Professor at Indian Institute of Science, Bengaluru

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Publications (13)

Proceedings Article | 12 March 2024 Paper

Low intensity noise continuous wave supercontinuum generation in standard telecom fiber

Raj Kumar Hudda, V. Supradeepa, V. Balaswamy

Proceedings Volume 12865, 128650O (2024) https://doi.org/10.1117/12.3002515

KEYWORDS: Relative intensity noise, Supercontinuum generation, Fiber Bragg gratings, Raman spectroscopy, Ytterbium, Tunable filters, Dispersion, Signal to noise ratio, Fiber lasers, Continuous wave operation

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Proceedings Article | 4 March 2022 Presentation + Paper

Cascaded raman fiber lasers with very high spectral purity and low intensity noise

Rashmita Deheri, Sarthak Dash, V. R. Supradeepa, V. Balaswamy

Proceedings Volume 11981, 119810K (2022) https://doi.org/10.1117/12.2609890

KEYWORDS: Modulation, Fiber Bragg gratings, Fiber lasers, Optical amplifiers, High power fiber amplifiers, Ytterbium, Wavelength division multiplexing, Phase modulation, Fiber amplifiers

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Proceedings Article | 7 March 2019 Presentation + Paper

High power, ultra-high spectral purity, broadly wavelength tunable cascaded Raman fiber laser

V. Balaswamy, Harshitha S., Siddharth Ramachandran, V. Supradeepa

Proceedings Volume 10897, 108970N (2019) https://doi.org/10.1117/12.2510534

KEYWORDS: Raman spectroscopy, Optical filters, Fiber lasers, Ytterbium, Superluminescent sources, Wave propagation, Electronic filtering, Signal attenuation, Continuous wave operation, Raman scattering

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Proceedings Article | 4 March 2019 Presentation + Paper

A simple technique for direct, high power laser beam profile measurement using thermal imagers

Binodbihari Panda, V. Balaswamy, Piyush Raj, Monalisa Mallick, V. Supradeepa

Proceedings Volume 10899, 108990S (2019) https://doi.org/10.1117/12.2510168

KEYWORDS: Thermography, High power lasers, Point spread functions, Optical testing, Deconvolution, Sensors, Fiber lasers, Optical filters, Image processing, Cameras

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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 | 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 | 26 February 2018 Presentation + Paper

Raman based power combining and wavelength conversion of high power ytterbium fiber lasers

Santosh Aparanji, V. Balaswamy, S. Arun, V. Supradeepa

Proceedings Volume 10512, 105121U (2018) https://doi.org/10.1117/12.2290347

KEYWORDS: Fiber lasers, Raman spectroscopy, Ytterbium, Quantum efficiency, Laser scattering, Raman scattering, High power lasers, Optical filters, Scattering, Doping

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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

High-power tunable grating-free cascaded Raman fiber lasers

V. Balaswamy, Santosh Aparanji, S. Arun, V. Supradeepa

Proceedings Volume 10528, 1052816 (2018) https://doi.org/10.1117/12.2289453

KEYWORDS: Fiber lasers, Optical filters, Ytterbium, Tunable lasers, Erbium, Wavelength division multiplexing, Resonators, Raman scattering

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Proceedings Article | 15 February 2018 Presentation + Paper

Observation of a rainbow of visible colors in a near infrared cascaded Raman fiber laser and its novel application as a diagnostic tool for length resolved spectral analysis

Santosh Aparanji, V. Balaswamy, S. Arun, V. R. Supradeepa

Proceedings Volume 10516, 105160M (2018) https://doi.org/10.1117/12.2289817

KEYWORDS: Raman spectroscopy, Visible radiation, Fiber lasers, Cladding, Optical filters, Wave propagation, Near infrared, Harmonic generation, Diagnostics, Light wave propagation

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Proceedings Article | 11 March 2016 Paper

A diode drive mechanism for always resonant pumping with laser diodes without wavelength locking

S. Arun, V. Balaswamy, G. Chayran, P. Vanitha, A. Kumar, V. Supradeepa

Proceedings Volume 9728, 97281S (2016) https://doi.org/10.1117/12.2212576

KEYWORDS: Semiconductor lasers, Diodes, Fiber amplifiers, Reliability, Amplifiers, Absorption, Packaging, Laser systems engineering, Fiber lasers, Optical amplifiers, Optical pumping, Ytterbium, High power lasers

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Showing 5 of 13 publications

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