Estimation of second harmonic generation efficiency of various quasi-phase matching grating structures-Reference-Cited by-同舟云学术

Estimation of second harmonic generation efficiency of various quasi-phase matching grating structures

Published:2017-12 Issue:04 Volume:26 Page:1750043
ISSN:0218-8635
Container-title:Journal of Nonlinear Optical Physics & Materials
language:en
Short-container-title:J. Nonlinear Optic. Phys. Mat.

Author:

Meetei Toijam Sunder¹,Chandrasekaran Ramanathan¹²,Prasath Rogothaman K.¹,Boomadevi Shanmugam³,Pandiyan Krishnamoorthy¹

Affiliation:

1. Centre for Nonlinear Science and Engineering (CeNSE), School of Electrical & Electronics Engineering, SASTRA University, Thanjavur 613401, Tamil Nadu, India

2. Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai 600036, India

3. Department of Physics, National Institute of Technology, Tiruchirapalli 620005, Tamil Nadu, India

Abstract

We have analytically calculated the efficiency factor of the second harmonic generation (SHG) in quasi-phase matching (QPM) devices of various periodic grating structures such as square, triangular, sinusoidal, trapezoidal and blazed. The phase profile representing the nonlinear optical coefficient of these grating structures has been mathematically derived and its second harmonic efficiency factors are calculated. The second harmonic conversion efficiency factors of square, triangular, sinusoidal, trapezoidal and blazed QPM structures are calculated to be 0.405, 0.164, 0.25, 0.365 and 1.0, respectively.

Publisher

World Scientific Pub Co Pte Lt

Subject

Physics and Astronomy (miscellaneous),Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0218863517500436

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