Ferroelectric Crystals for Photonic Applications: Including Nanoscale Fabrication and Characterization Techniques

Pietro Ferraro · Simonetta Grilli · Paolo De Natale

Sep 2008 · Springer Series in Materials Science Book 91 · Springer Science & Business Media

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424

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About this ebook

The idea to write a new book in the ?eld of ferroelectric crystals arose from some considerationsreportedinthefollowing. Inthelast5years,severalgroupsallaround the world in the ?eld of engineering and characterization of ferroelectric crystals have published more than 300 papers. The motivation for such an intense research activity is referable to the fact that the ferroelectric crystals are a key element for the most attractive and useful photonic and optoelectronic devices. In fact, during the 60ies, the scientists realized that the ferroelectric crystals could have been - ?ciently used to generate new, unavailable frequencies, taking advantage of the freshly proposed birefringent phase-matching method. The synchronized rush for the development of novel coherent sources and for the discovery of the best-suited nonlinear crystals for mixing and generation had started. Consequently, the range of applications of ferroelectric crystals has enormously widened in the last years, es- cially based on the use of periodically poled structures (i. e. , PPLN, PPLT, PPKTP, or PPKTA) to quasi-phase-match optical interactions. A new generation of sources is ?nding increasing applications in various ?elds, including high sensitivity trace gas monitoring and any kind of advanced spectroscopic set-ups, thus replacing “old style” gas lasers like Argon-ion or dye lasers. New possibilities are also being - plored to engineer ferroelectric crystals with two- or three-dimensional geometries. Results from this ?eld will allow developing photonic devices combining photonic band-gap properties and nonlinear conversion processes, i. e. , nonlinear photonic crystals.

About the author

Pietro Ferraro, is chief research scientist of the Research Group on Diagnostic methods, interferometry and microscopy at INOA-CNR. He has been Principal Investigator with Alenia Aeronautics (1989-1993). He published more then 90 papers in Archivial Journals, 3 book chapters and has 10 patents and presented more then 150 papers at International Conferences, being invited speaker several times. He was Guest Editor of 5 special issues on international journals and is member of the Editorial Board of the Optics and Lasers in Engineering (Elsevier). He chaired two international conferences and served as member of scientific committee in many
conferences. Among his current scientific interests are: holography, interferometry, microscopy, fabrication of nanostructures, ferroelectric crystals, optical fiber sensors.

Simonetta Grilli got her PhD at the Royal Institute of Technology in Stockholm and she is currently a research scientist at the INOA-CNR (Italy). She has been invited as plenary speaker at the Photonics Europe SPIE Conference. She has published more than 20 papers in International Journals and she has had two patents awarded. Her currents research interests include: nanoscale domain engineering and surface structuring in ferroelectric crystals; interferometric analysis of ferroelectric properties; digital holography microscopy; super-resolution; tunable photonic devices.

Paolo De Natale is research director at INOA and, since 2001, he has been directing the INOA section in Pozzuoli, Naples, Italy. He has authored more than 120 papers, published in peer-reviewed international journals and books, is co-inventor in 3 patents and has given invited and plenary lectures in many International Conferences. His present research interests include: nonlinear optics, laser physics, atomic and molecular high precision spectroscopy, nonlinear interactions in ferroelectric crystals, frequency metrology, micron and nano engineering of ferroelectric crystals, environmental monitoring with optical devices, optical sensors and diagnostics, physics of non-linear optical crystals, development of infrared coherent sources.

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