Prof. Govind P. Agrawal Profile

Prof. Govind P. Agrawal

Professor at Univ of Rochester

SPIE Involvement:

Author

Publications (23)

SPIE Journal Paper | 26 November 2020

Phase detection through four-wave mixing in an optical fiber

Amira Ahsan, Aneesh Sobhanan, Deepa Venkitesh, Govind P. Agrawal

OE, Vol. 59, Issue 11, 116109, (November 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.11.116109

KEYWORDS: Signal detection, Four wave mixing, Optical fibers, Sensors, Optical amplifiers, Optical engineering, Telecommunications, Phase conjugation, Optical filters, Fiber amplifiers

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Proceedings Article | 13 March 2019 Presentation

Soliton self-mode conversion (SSMC): power-scalable frequency conversion with multimode fibers (Conference Presentation)

Siddharth Ramachandran, Govind Agrawal

Proceedings Volume 10897, 108971T (2019) https://doi.org/10.1117/12.2513647

KEYWORDS: Solitons, Frequency conversion, Multimode fibers

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Proceedings Article | 4 May 2014 Paper

Supercontinuum generation in optical fibers and its biomedical applications (presentation video)

Govind Agrawal

Proceedings Volume 8940, 89400Z (2014) https://doi.org/10.1117/12.2030616

KEYWORDS: Biomedical optics, Supercontinuum generation, Video, Optical fibers, Structured optical fibers, Supercontinuum sources, Medical imaging, CARS tomography, Optical microscopy, Microscopy

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Proceedings Article | 7 February 2012 Paper

Impact of photon lifetime on thermal rollover in 850-nm high-speed VCSELs

Prashant Baveja, Benjamin Kögel, Petter Westbergh, Johan Gustavsson, Åsa Haglund, Drew Maywar, Govind Agrawal, Anders Larsson

Proceedings Volume 8276, 82760V (2012) https://doi.org/10.1117/12.906784

KEYWORDS: Vertical cavity surface emitting lasers, Tantalum, Temperature metrology, Etching, Absorption, Thermal modeling, Laser phosphor displays, Internal quantum efficiency, Thermography

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Proceedings Article | 26 October 2011 Paper

Nonlinear pulse propagation inside coupled silicon nanowires

N. Lozano-Crisóstomo, G. Agrawal, J. Sánchez-Mondragón

Proceedings Volume 8011, 80115H (2011) https://doi.org/10.1117/12.903309

KEYWORDS: Silicon, Waveguides, Nonlinear optics, Absorption, Dispersion, Switching, Directional couplers, Wave propagation, Complex systems, Nanowires

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Proceedings Article | 24 August 2011 Paper

Observation of soliton attraction and repulsion phenomena for monotonous dispersion slope under normal group velocity dispersion pumping

Samudra Roy, Shyamal Bhadra, Govind Agrawal

Proceedings Volume 8173, 817324 (2011) https://doi.org/10.1117/12.899647

KEYWORDS: Solitons, Dispersion, Optical solitons, Raman spectroscopy, Optical fibers, Raman scattering, Wave propagation, Astronomical imaging, Photonics, Neodymium

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Proceedings Article | 5 June 2010 Paper

Role of dispersion profile in controlling emission of dispersive waves by solitons inside optical fibers

Samudra Roy, S. Bhadra, G. Agrawal

Proceedings Volume 7728, 77280G (2010) https://doi.org/10.1117/12.854100

KEYWORDS: Solitons, Dispersion, Phase modulation, Optical fibers, Supercontinuum generation, Nonlinear optics, Numerical simulations, Raman spectroscopy, Solids, Wave propagation

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Proceedings Article | 26 February 2010 Paper

Pulse amplification in semiconductor optical amplifiers with ultrafast gain-recovery times

Prashant Baveja, Aaron Kaplan, Drew Maywar, Govind Agrawal

Proceedings Volume 7598, 759817 (2010) https://doi.org/10.1117/12.841025

KEYWORDS: Ultrafast phenomena, Picosecond phenomena, Scanning probe microscopy, Optical fibers, Semiconductor optical amplifiers, Phase shifts, Nonlinear optics, Calcium, Signal processing

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Proceedings Article | 26 February 2008 Paper

Optical soliton in silicon-on-insulator waveguides

Jidong Zhang, Qiang Lin, Giovanni Piredda, Robert Boyd, Govind Agrawal, Philippe Fauchet

Proceedings Volume 6898, 68980X (2008) https://doi.org/10.1117/12.765637

KEYWORDS: Dispersion, Waveguides, Silicon, Optical solitons, Solitons, Wave propagation, Numerical simulations, Polarization, Wafer-level optics, Silica

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Proceedings Article | 9 July 2001 Paper

Spatial dynamics of VCSEL arrays

Peter Goorjian, Cun-Zheng Ning, Govind Agrawal

Proceedings Volume 4283, (2001) https://doi.org/10.1117/12.432576

KEYWORDS: Vertical cavity surface emitting lasers, Hole burning spectroscopy, Picosecond phenomena, Numerical simulations, Semiconductor lasers, Semiconductors, Refractive index, Refraction, Quantum wells, Polarization

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Proceedings Article | 14 July 2000 Paper

Transverse mode dynamics of VCSELs undergoing current modulation

Peter Goorjian, Cun-Zheng Ning, Govind Agrawal

Proceedings Volume 3944, (2000) https://doi.org/10.1117/12.391431

KEYWORDS: Modulation, Vertical cavity surface emitting lasers, Picosecond phenomena, Gain switching, Computer simulations, Diffusion, Semiconductors, Quantum wells, Refraction, Hole burning spectroscopy

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Proceedings Article | 6 August 1999 Paper

Noise properties of index-guided vertical-cavity surface-emitting lasers

Joanne Law, Govind Agrawal

Proceedings Volume 3625, (1999) https://doi.org/10.1117/12.356944

KEYWORDS: Vertical cavity surface emitting lasers, Diffusion, Hole burning spectroscopy, Solids, Semiconductor lasers, Modes of laser operation, Transparency, Fourier transforms, Temporal resolution, Spatial resolution

Proceedings Article | 19 July 1999 Paper

Self-phase modulation of incoherent nonstationary pulses

Solange Cavalcanti, M. Yu, Govind Agrawal

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354791

KEYWORDS: Modulation, Signal processing, Nonlinear optics, Modeling, Phase modulation, Correlation function, Laser processing, Mode locking, Laser energy, Single mode fibers

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Proceedings Article | 7 July 1998 Paper

Beam filamentation and its control in high-power semiconductor lasers

John Marciante, Govind Agrawal

Proceedings Volume 3283, (1998) https://doi.org/10.1117/12.316661

KEYWORDS: Semiconductor lasers, Diffusion, Diffraction, High power lasers, Semiconductors, Modulation, Computer simulations, Refractive index, Laser damage threshold, Nonlinear optics

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Proceedings Article | 1 May 1996 Paper

Semiconductor laser coupled to a finite-response time phase-conjugate mirror

David DeTienne, George Gray, Govind Agrawal, Daan Lenstra

Proceedings Volume 2693, (1996) https://doi.org/10.1117/12.239004

KEYWORDS: Phase conjugation, Semiconductor lasers, Mirrors, Reflectivity, Chaos, Four wave mixing, Pulsed laser operation, Laser optics, Tunable lasers, Mode locking

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Proceedings Article | 19 June 1995 Paper

Phase-conjugate optical feedback in semiconductor lasers

George Gray, David DeTienne, Govind Agrawal

Proceedings Volume 2399, (1995) https://doi.org/10.1117/12.212542

KEYWORDS: Mode locking, Phase conjugation, Semiconductor lasers, Fermium, Frequency modulation, Optical character recognition, Four wave mixing, Chaos, Modulators, Amplitude modulation

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Proceedings Article | 19 June 1995 Paper

Generalized distributed feedback design: amplification, filtering, and switching

Stojan Radic, Nicholas George, Govind Agrawal

Proceedings Volume 2399, (1995) https://doi.org/10.1117/12.212509

KEYWORDS: Switching, Solids, Phase shifts, Nonlinear filtering, Nonlinear optics, Optical amplifiers, Optical filters, Switches, Transparency, Photonics

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Proceedings Article | 1 December 1993 Paper

Optical-feedback-induced chaos and its control in semiconductor lasers

George Gray, Andrew Ryan, Govind Agrawal, Edward Gage

Proceedings Volume 2039, (1993) https://doi.org/10.1117/12.164779

KEYWORDS: Chaos, Modulation, Semiconductor lasers, Stereolithography, Optical recording, Laser systems engineering, Laser optics, Optical simulations, Mirrors, Beam controllers

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SPIE Journal Paper | 1 April 1993 Open Access

Guest Editorial: Emerging Optoelectronic Technologies

Vijai Tripathi, Govind Agrawal, Ananth Selvarajan

OE, Vol. 32, Issue 04, (April 1993) https://doi.org/10.1117/12.10.1117/12.147373

KEYWORDS: Optoelectronics, Computer engineering, Optoelectronic devices, Photonic integrated circuits, Electronics, Physics, Nonlinear optics, Fiber optics, Optical communications, Electrochemical etching

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SPIE Journal Paper | 1 April 1993

Control of optical-feedback-induced laser intensity noise in optical data recording

George Gray, Andrew Ryan, Govind Agrawal, Edward Gage

OE, Vol. 32, Issue 04, (April 1993) https://doi.org/10.1117/12.10.1117/12.130137

KEYWORDS: Modulation, Semiconductor lasers, Laser optics, Chaos, Optical recording, Digital recording, Optical discs, Signal to noise ratio, Beam controllers, Optical simulations

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Proceedings Article | 1 September 1991 Paper

Importance of nonlinear gain in semiconductor lasers

Govind Agrawal, George Gray

Proceedings Volume 1497, (1991) https://doi.org/10.1117/12.46803

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Proceedings Article | 1 September 1991 Paper

Intrapulse stimulated Raman scattering and ultrashort solitons in optical fibers

Clifford Headley, Govind Agrawal, A. Reardon

Proceedings Volume 1497, (1991) https://doi.org/10.1117/12.46775

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Proceedings Article | 1 March 1991 Paper

Noise in semiconductor lasers and its impact on optical communication systems

Govind Agrawal

Proceedings Volume 1376, (1991) https://doi.org/10.1117/12.25005

KEYWORDS: Semiconductor lasers, Telecommunications, Optical communications, Signal to noise ratio, Photons, Phase shift keying, Modes of laser operation, Electrons, Continuous wave operation, Modulation

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