Dr. Ramanand Tewari Profile

Dr. Ramanand Tewari

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Publications (4)

Proceedings Article | 17 March 2023 Presentation + Paper

The effect of etched air cavities underneath the finite bottom oxide cladding of silicon nitride single-strip optical waveguides

Sean Romanuik, Ramanand Tewari, L. Richard Williston, Kazem Zandi

Proceedings Volume 12424, 124240R (2023) https://doi.org/10.1117/12.2649221

KEYWORDS: Waveguides, Cladding, Silicon, Simulations, Photonics, Optical resonators, Gyroscopes, Etching

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Proceedings Article | 17 February 2003 Paper

Novel fiber design with characteristics similar to LEAF

Ramanand Tewari, Velko Tzolov, Z. Jan Jakubczyk

Proceedings Volume 4833, (2003) https://doi.org/10.1117/12.477820

KEYWORDS: Dispersion, Fiber characterization, Refractive index, Waveguides, Cladding, Picosecond phenomena, Single mode fibers, Wave propagation, Structured optical fibers, Optical fibers

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Proceedings Article | 25 August 1994 Paper

Analysis of nonlinear TE waves in silver-sodium ion exchanged waveguides in glass

Ramanand Tewari, Anurag Sharma, Ajoy Ghatak

Proceedings Volume 2212, (1994) https://doi.org/10.1117/12.185146

KEYWORDS: Waveguides, Ion exchange, Glasses, Dispersion, Wave propagation, Ions, Nonlinear optics, Refractive index, Free space, Optical components

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SPIE Journal Paper | 1 June 1992

Modified in-line dispersion prism

Ramanand Tewari, V. Gokhale, A. Ghodgaonkar

OE, Vol. 31, Issue 06, (June 1992) https://doi.org/10.1117/12.10.1117/12.57696

KEYWORDS: Prisms, Reflection, High reflection coatings, Glasses, Refractive index, Fabry–Perot interferometers, Physics, Optical engineering, Coating, Astatine

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