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20 August 2019 Performance analysis of circularly photonic crystal fiber for orbital angular momentum mode generation
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Abstract

Orbital angular momentum (OAM) is generated using circular-photonic crystal fiber (C-PCF), which is used as a key solution for higher data communication. This C-PCF steadily supports 80 OAM modes and 2 linear polarization modes from 1- to 2.5-μm wavelengths with low confinement loss (CL), very high nonlinearity, and flat dispersion. The average CL is <1  ×  10  −  6  dB  /  m and the dispersion of each mode is controlled in the range of 30 to 500  ps  ·  nm  −  1  ·  km  −  1. The average nonlinearity value is >1.26  ×  105  W  −  1 km  −  1 at 1-μm wavelength that is essential for the generation of the supercontinuum, biomedical imaging, and several nonlinear optical applications. With all these good features, this proposed optical fiber is promising for application in fiber-based OAM high-capacity communication systems.

© 2019 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2019/$28.00 © 2019 SPIE
Bipul Biswas, Kawsar Ahmed, Krishnamurthy Ramanujam, Bikash Kumar Paul, Iraj S. Amiri, and Waseem Raja "Performance analysis of circularly photonic crystal fiber for orbital angular momentum mode generation," Optical Engineering 58(8), 086108 (20 August 2019). https://doi.org/10.1117/1.OE.58.8.086108
Received: 12 May 2019; Accepted: 31 July 2019; Published: 20 August 2019
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