Prof. Ampalavanapillai T. Nirmalathas Profile

Prof. Ampalavanapillai T. Nirmalathas

Professor/Director at Univ of Melbourne

SPIE Involvement:

Author

Proceedings Article | 22 May 2023 Presentation + Paper

LWIR multispectral imaging using plasmonic filters integrated on a single thermal image sensor

Noor E. Karishma Shaik, Bryce Widdicombe, Nandakishor Desai, Marimuthu Palaniswami, Ampalavanapillai Nirmalathas, Ranjith Unnithan

Proceedings Volume 12327, 123270I (2023) https://doi.org/10.1117/12.2666952

KEYWORDS: Optical filters, Image filtering, Image sensors, Thermography, Plasmonics, Multispectral imaging, Long wavelength infrared, Infrared imaging, Thermal optics, Infrared sensors

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Proceedings Article | 30 December 2019 Paper

Transmission enhancement in plasmonic nanohole array for colour imaging applications

Xin He, Yajing Liu, Paul Beckett, Hemayet Uddin, Ampalavanapillai Nirmalathas, Ranjith Rajasekharan Unnithan

Proceedings Volume 11200, 112003M (2019) https://doi.org/10.1117/12.2541299

KEYWORDS: Image filtering, Transmittance, Plasmonics, Aluminum, Optical filters, Color imaging, Image sensors, CMOS sensors

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Proceedings Article | 20 December 2019 Paper

Indoor near-infrared optical wireless communications with silicon photonic integrated circuits and spatial diversity

Tingting Song, Yang Wang, Jeonghun Lee, Ampalavanapillai Nirmalathas, Christina Lim, Jiayuan He, Ke Wang

Proceedings Volume 11209, 112093W (2019) https://doi.org/10.1117/12.2549101

KEYWORDS: Transmitters, Silicon photonics, Integrated circuits, Integrated optics, Channel projecting optics, Wireless communications, Phased array optics, Neural networks, Signal processing, Beam steering

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SPIE Journal Paper | 20 October 2015 Open Access

Review of physical layer networking for optical-wireless integration

Christina Lim, Ka Lun Lee, Ampalavanapillai Nirmalathas

OE, Vol. 55, Issue 03, 031113, (October 2015) https://doi.org/10.1117/12.10.1117/1.OE.55.3.031113

KEYWORDS: Integrated optics, Interfaces, Optical networks, Radon, Modulation, Network architectures, Signal detection, Antennas, Radio over Fiber, Signal processing

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Proceedings Article | 18 September 2013 Paper

Free-space optics for high-speed reconfigurable card-to-card optical interconnects

Ke Wang, Ampalavanpillai Nirmalathas, Christina Lim, Efstratios Skafidas, Kamal Alameh

Proceedings Volume 8834, 88340I (2013) https://doi.org/10.1117/12.2022807

KEYWORDS: Optical interconnects, Receivers, Vertical cavity surface emitting lasers, Mirrors, Free space optics, Collimators, Microelectromechanical systems, Optical components, Data transmission, Channel projecting optics

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Proceedings Article | 7 December 2011 Paper

An analysis of electro-optic measurement of electric fields using Jones matrix formulation

Huma Ismail, Ampalavanapillai Nirmalathas, Efstratios Skafidas

Proceedings Volume 8308, 83081H (2011) https://doi.org/10.1117/12.904488

KEYWORDS: Crystals, Electro optics, Polarization, Signal detection, Refractive index, Phase modulation, Laser crystals, Analytical research, Modulation, Laser beam diagnostics

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Proceedings Article | 18 February 2011 Paper

Gigabit optical wireless communication system for indoor applications

Ke Wang, Ampalavanapillai Nirmalathas, Christina Lim, Efstratios Skafidas

Proceedings Volume 7988, 79880Z (2011) https://doi.org/10.1117/12.887955

KEYWORDS: Telecommunications, Wireless communications, Transmitters, Receivers, Compound parabolic concentrators, Signal detection, Wavelength division multiplexing, Optical fibers, Optical networks, Modulation

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Proceedings Article | 11 November 2008 Paper

Optical impairments mitigation in millimeter-wave fiber-wireless systems

Christina Lim, Ampalavanapillai Nirmalathas, Dalma Novak, Rod Waterhouse

Proceedings Volume 7136, 71362T (2008) https://doi.org/10.1117/12.806542

KEYWORDS: Modulation, Radio optics, Fiber Bragg gratings, Modulators, Signal detection, Antennas, Optical filters, Nonlinear optics, Dispersion, Phase shift keying

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Proceedings Article | 26 October 2007 Paper

S+C+L broadband source based on semiconductor optical amplifiers and erbium-doped fiber for optical coherence tomography

L. Carrion, D. Beitel, K. L. Lee, A. Jain, L. Chen, R. Maciejko, A. Nirmalathas

Proceedings Volume 6796, 67960H (2007) https://doi.org/10.1117/12.778087

KEYWORDS: Optical coherence tomography, Sapphire lasers, Semiconductor optical amplifiers, Fiber amplifiers, Image quality, Biomedical optics, Mirrors, S band, Interferometers, Tissue optics

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Proceedings Article | 21 June 2007 Paper

Experimental demonstration of impact of amplified spontaneous emission on devices based on cross-gain modulation in semiconductor optical amplifiers

Bipin Sankar Gopalakrishna Pillai, Ka Lun Lee, Ampalavanapillai Nirmalathas, Malin Premaratne, Christina Lim

Proceedings Volume 6603, 660324 (2007) https://doi.org/10.1117/12.724615

KEYWORDS: Distance measurement, Semiconductor optical amplifiers, Modulation, Optical amplifiers, Polarization, Computer simulations, MATLAB, Numerical simulations, Picosecond phenomena, Instrument modeling

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Proceedings Article | 28 September 2006 Paper

Fiber-wireless networks incorporating wavelength division multiplexing

Christina Lim, Masuduzzaman Bakaul, Ampalavanapillai Nirmalathas, Dalma Novak, Rod Waterhouse

Proceedings Volume 6354, 63541X (2006) https://doi.org/10.1117/12.691119

KEYWORDS: Wavelength division multiplexing, Multiplexing, Channel projecting optics, Modulation, Radon, Interfaces, Antennas, Dense wavelength division multiplexing, Network architectures, Radio optics

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Proceedings Article | 16 January 2006 Paper

Improved passive optical network architectures to support local area network emulation and protection

Elaine Wong, Nishaanthan Nadarajah, Chang-Joon Chae, Ampalavanapillai Nirmalathas, Sanjeewa Attygalle

Proceedings Volume 6038, 60380W (2006) https://doi.org/10.1117/12.651718

KEYWORDS: Local area networks, Receivers, Fiber Bragg gratings, Modulation, Switching, Optical networks, Stars, Optical isolators, Passive optical networks, Single mode fibers

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Proceedings Article | 9 December 2005 Paper

Fiber wireless networks

A. Nirmalathas, M. Bakaul, C. Lim, D. Novak, R. Waterhouse

Proceedings Volume 6021, 602110 (2005) https://doi.org/10.1117/12.620567

KEYWORDS: Wavelength division multiplexing, Radio optics, Modulation, Channel projecting optics, Multiplexing, Antennas, Interfaces, Optical networks, Broadband telecommunications, Dense wavelength division multiplexing

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Showing 5 of 13 publications

Conference Committee Involvement (2)

Smart Structures, Devices, and Systems III

11 December 2006 | Adelaide, Australia

Microelectronics: Design, Technology, and Packaging

10 December 2003 | Perth, Australia

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