Dr. Hemonth G. Rao Profile

Dr. Hemonth G. Rao

Staff at MIT Lincoln Lab

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Publications (12)

Proceedings Article | 8 March 2023 Presentation + Paper

Precision synchronization for free-space quantum networking

Neal Spellmeyer, Don Boroson, P. Benjamin Dixon, Matthew Grein, Nicholas Hardy, Catherine Lee, Ryan Murphy, Hemonth Rao, Marvin Scheinbart, Katia Shtyrkova, Mark Stevens, Scott Hamilton

Proceedings Volume 12446, 124460G (2023) https://doi.org/10.1117/12.2646188

KEYWORDS: Photons, Quantum entanglement, Quantum signals, Doppler effect, Satellites, Quantum control, Quantum networks, Feedback control, Space operations, Quantum channels

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Proceedings Article | 4 March 2019 Paper

Demonstration of vehicle-to-vehicle optical pointing, acquisition, and tracking for undersea laser communications

Nicholas Hardy, Hemonth Rao, Stephen Conrad, Thomas Howe, Marvin Scheinbart, Richard Kaminsky, Scott Hamilton

Proceedings Volume 10910, 109100Z (2019) https://doi.org/10.1117/12.2511178

KEYWORDS: Sensors, Telecommunications, Receivers, Signal attenuation, Laser communications, Acquisition tracking and pointing, Laser systems engineering, Ocean optics, Optical tracking

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Proceedings Article | 22 May 2017 Presentation + Paper

Undersea narrow-beam optical communications field demonstration

Scott Hamilton, Cathy DeVoe, Andrew Fletcher, Igor Gaschits, Farhad Hakimi, Nicholas Hardy, Thomas Howe, Nathan Mittleman, Hemonth Rao, Marvin Scheinbart, Timothy Yarnall

Proceedings Volume 10186, 1018606 (2017) https://doi.org/10.1117/12.2264733

KEYWORDS: Remotely operated vehicles, Free space optical communications, Optical engineering, Laser scattering, Scattering, Signal attenuation, Collimation, Optical communications, Ocean optics, Forward error correction, Laser optics, Atmospheric propagation, Laser development, Receivers, Laser beam propagation, Photon counting, Absorption

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Proceedings Article | 19 April 2017 Presentation

Field demonstration of multi-rate narrow-beam undersea optical communication with photon-counting and linear receivers in a turbid harbor (Conference Presentation)

Hemonth Rao, Catherine DeVoe, Andrew Fletcher, Igor Gaschits, Farhad Hakimi, Scott Hamilton, Nicholas Hardy, John Ingwersen, Richard Kaminsky, Marvin Scheinbart, Timothy Yarnall

Proceedings Volume 10096, 1009617 (2017) https://doi.org/10.1117/12.2256597

KEYWORDS: Forward error correction, Optical communications, Receivers, Geometrical optics, Optical testing, Transmitters, Metals, Light wave propagation, Avalanche photodetectors, Atmospheric propagation

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Proceedings Article | 13 April 2016 Paper

A burst-mode photon counting receiver with automatic channel estimation and bit rate detection

Hemonth Rao, Catherine DeVoe, Andrew Fletcher, Igor Gaschits, Farhad Hakimi, Scott Hamilton, Nicholas Hardy, John Ingwersen, Richard Kaminsky, John Moores, Marvin Scheinbart, Timothy Yarnall

Proceedings Volume 9739, 97390H (2016) https://doi.org/10.1117/12.2222885

KEYWORDS: Receivers, Forward error correction, Transmitters, Field programmable gate arrays, Clocks, Signal attenuation, Photodetectors, Scattering, Data communications, Signal detection

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Proceedings Article | 25 March 2014 Paper

Performance and qualification of a multi-rate DPSK modem

Jade Wang, C. Browne, C. Burton, D. Caplan, J. Carney, M. Chavez, J. Fitzgerald, I. Gaschits, D. Geisler, S. Hamilton, S. Henion, G. Lund, R. Magliocco, O. Mikulina, R. Murphy, H. Rao, M. Seaver, N. Spellmeyer

Proceedings Volume 8971, 89710Z (2014) https://doi.org/10.1117/12.2057577

KEYWORDS: Receivers, Transmitters, Amplifiers, Clocks, Interferometers, Modulators, Field programmable gate arrays, Signal attenuation, Diagnostics, Control systems

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Proceedings Article | 25 March 2014 Paper

Electronics design of a multi-rate DPSK modem for free-space optical communications

H. Rao, C. Browne, D. Caplan, J. Carney, M. Chavez, A. Fletcher, J. Fitzgerald, R. Kaminsky, G. Lund, S. Hamilton, R. Magliocco, O. Mikulina, R. Murphy, M. Seaver, M. Scheinbart, N. Spellmeyer, J. Wang

Proceedings Volume 8971, 89710Y (2014) https://doi.org/10.1117/12.2057574

KEYWORDS: Field programmable gate arrays, Clocks, Process control, Electronics, Transmitters, Interfaces, Receivers, Beam controllers, Control systems, Logic

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Proceedings Article | 25 March 2014 Paper

Multi-rate DPSK optical transceivers for free-space applications

D. Caplan, J. Carney, J. Fitzgerald, I. Gaschits, R. Kaminsky, G. Lund, S. Hamilton, R. Magliocco, R. Murphy, H. Rao, N. Spellmeyer, J. Wang

Proceedings Volume 8971, 89710K (2014) https://doi.org/10.1117/12.2057570

KEYWORDS: Receivers, Transceivers, Optical filters, Transmitters, Optical amplifiers, Modulators, Modulation, Laser stabilization, Beam controllers, Polarization

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Proceedings Article | 25 March 2014 Paper

A multi-rate DPSK modem for free-space laser communications

N. Spellmeyer, C. Browne, D. Caplan, J. Carney, M. Chavez, A. Fletcher, J. Fitzgerald, R. Kaminsky, G. Lund, S. Hamilton, R. Magliocco, O. Mikulina, R. Murphy, H. Rao, M. Scheinbart, M. Seaver, J. Wang

Proceedings Volume 8971, 89710J (2014) https://doi.org/10.1117/12.2057568

KEYWORDS: Receivers, Transmitters, Clocks, Data communications, Free space optical communications, Electro optics, Laser communications, Interfaces, Field programmable gate arrays, Electronics

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Proceedings Article | 22 November 1996 Paper

Phase noise and dynamic range of analog fiber links using electroabsorption modulators

Robert Welstand, Richard Orazi, Chen Sun, Hemonth Rao, Yet Zen Liu, Stephen Pappert, Paul Yu

Proceedings Volume 2844, (1996) https://doi.org/10.1117/12.259024

KEYWORDS: Modulators, Phase shift keying, Fiber couplers, Waveguides, Phase measurement, Interference (communication), Fiber optics tests, Fiber optics, Amplitude modulation, Modulation

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Proceedings Article | 1 November 1996 Paper

Performance of the COD statistical packet multiplexor using optical loss compensation

Hemonth Rao, Albert Kellner, Jung-Tsung Tsai, Rene Cruz, Paul Yu

Proceedings Volume 2919, (1996) https://doi.org/10.1117/12.256341

KEYWORDS: Multiplexers, Solar concentrators, Switches, Optical amplifiers, Sensors, Switching, Clocks, Transmittance, Receivers, Wavelength division multiplexing

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Proceedings Article | 1 May 1996 Paper

Performance of an optically transparent TDM statistical multiplexor for scalable bit-rate independent networks

Hemonth Rao, Albert Kellner, Jung-Tsung Tsai, Rene Cruz, Paul Yu

Proceedings Volume 2690, (1996) https://doi.org/10.1117/12.238905

KEYWORDS: Multiplexers, Switches, Time division multiplexing, Clocks, Transmittance, Monte Carlo methods, Device simulation, Lithium niobate, Wavelength division multiplexing, Directional couplers

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Showing 5 of 12 publications

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