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fbtwitterlinkedinvimeoflicker grey 14rssslideshare1
Barh, Ajanta; Pal, B. P.; Agrawal, G. P.; Varshney, R. K.; Rahman, B. M. A. (2015)
Publisher: Institute of Electrical and Electronics Engineers
Languages: English
Types: Article
Subjects: Physics - Optics, TK
Terahertz (THz) frequency range, lying between the optical and microwave frequency ranges covers a significant portion of the electro-magnetic spectrum. Though its initial usage started in the 1960s, active research in the THz field started only in the 1990s by researchers from both optics and microwaves disciplines. The use of optical fibers for THz application has attracted considerable attention in recent years. In this paper, we review the progress and current status of optical fiber-based techniques for THz generation and transmission. The first part of this review focuses on THz sources. After a review on various types of THz sources, we discuss how specialty optical fibers can be used for THz generation. The second part of this review focuses on the guided wave propagation of THz waves for their transmission. After discussing various wave guiding schemes, we consider new fiber designs for THz transmission.
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    • Ajanta Barh is Ph.D. student at IIT Delhi, obtained B.Sc.' 2008 from Calcutta University and M.Sc.'2010 all in Physics from IIT Delhi. Her research interests include Specialty fibers for mid-IR and THz wavelengths, Si-photonics, Non-linear optics, guided wave components. She is student member of OSA and OSI; authored/co-authored of more than 30 articles; Received Best Student Paper award in IEEE-CODEC 2012, OSA-PHOTONICS 2014, SPIE-ICOP 2015 conferences.
    • Bishnu P. Pal is Professor of Physics at Mahindra École Centrale Hyderabad India since July 1st 2014 after retirement as Professor of Physics from IIT Delhi; Ph.D.'1975 from IIT Delhi; Fellow of OSA and SPIE; Senior Member IEEE; Honorary Foreign Member Royal Norwegian Society for Science and Arts; Member OSA Board of Directors (2009- 11); Distinguished Lecturer IEEE Photonics Society (2005- 07).
    • Govind P. Agrawal is Wyant Professor of Optics at the Institute of Optics, University of Rochester NY where he joined in 1989. He received his Ph.D.'74 from IIT Delhi; authored/coauthored over 400 research papers, and eight books, recipient of the IPS Quantum Electronics Award'12, Fellow of OSA, IEEE, and member OSA Board (2009-10).
    • R. K. Varshney received Ph.D. degree from the Indian Institute of Technology Delhi in 1987, where he is currently Professor of Physics. He was awarded Marie Curie Fellowship and Fullbright Fellowship. He is an author/coauthor of more than 125 research papers, and two books. He has keen interest in the fields of Fiber and Integrated Optics, Specialty fibers, Fiber Optic Sensors, Non-linear Optics.
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