Dr. Payam Abolghasem Profile

Dr. Payam Abolghasem

at Univ of Toronto

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Publications (4)

Proceedings Article | 27 February 2015 Paper

Frequency conversion for infrared generation in monolithic semiconductor waveguides

Payam Abolghasem, D. Kang, D. Logan, A. Helmy

Proceedings Volume 9347, 93471A (2015) https://doi.org/10.1117/12.2084544

KEYWORDS: Waveguides, Frequency conversion, Mid-IR, Dispersion, Quantum cascade lasers, Infrared radiation, Semiconductors, Difference frequency generation, Cladding, Phase matching

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Proceedings Article | 8 February 2015 Paper

Integrated optical sensing technologies on Si

Amr Helmy, P. Abolghasem, J. Ramanan, D. Kang, D. Logan

Proceedings Volume 9370, 937028 (2015) https://doi.org/10.1117/12.2082889

KEYWORDS: Raman spectroscopy, Waveguides, Silicon, Infrared radiation, Aerosols, Dispersion, Optical sensing, Frequency conversion, FT-IR spectroscopy, Phase matching

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Proceedings Article | 15 February 2012 Paper

Multilayer core asymmetric Bragg reflection waveguides for monolithic three-wave mixing

Payam Abolghasem, Amr Helmy

Proceedings Volume 8240, 824019 (2012) https://doi.org/10.1117/12.904741

KEYWORDS: Cladding, Waveguides, Second-harmonic generation, Dispersion, Polarization, Refractive index, Wave propagation, Interfaces, Birefringence, Mirrors

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Proceedings Article | 24 February 2009 Paper

Harnessing second-order optical nonlinearities in compound semiconductors

A. Helmy, P. Abolghasem, B. Bijlani

Proceedings Volume 7197, 71970Q (2009) https://doi.org/10.1117/12.813036

KEYWORDS: Waveguides, Cladding, Dispersion, Wave propagation, Nonlinear optics, Compound semiconductors, Frequency conversion, Phase modulation, Phase matching

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