Low threshold quasi-three-level 946 nm laser operation of an epitaxially grown Nd:Y3Al5O12 waveguide

Hanna, D.C.; Large, A.C.; Shepherd, D.P.; Tropper, A.C.; Chartier, Isabelle; Ferrand, B.; Pelenc, D.

doi:10.1063/1.109703

Cited by 37 publications

(14 citation statements)

References 17 publications

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“…Liquid phase epitaxy is the most powerful epitaxial technique for producing low-loss (o0.05 dB/cm) planar waveguides based on garnet thin films [3]. LPE method has been employed to grow Dy,Ga,Lu:YAG waveguide layers on /111S-oriented YAG substrates from a supersaturated, molten garnet-flux high-temperature solution.…”

Section: The Samplesmentioning

confidence: 99%

Luminescence properties in the visible of Dy:YAG/YAG planar waveguides

Klimczak¹,

Malinowski

Sarnecki

et al. 2009

Journal of Luminescence

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Section: The Samplesmentioning

confidence: 99%

Luminescence properties in the visible of Dy:YAG/YAG planar waveguides

Klimczak¹,

Malinowski

Sarnecki

et al. 2009

Journal of Luminescence

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“…i) According to [666], the real formula for the active crystalline layer is Y2.40Yb0.49Nd0.11Al4.84Ga0.16O12. j) According to [667], the active crystalline layer was co-doped with 12 at.% Ga 3+ and 35 at.% Lu 3+ ions. k) According to [675], the real formula for the active crystalline layer is Y1.25Ho0.1Er0.55Tm0.5Yb0.6Al5O12.…”

Section: Discussionmentioning

confidence: 99%

Laser crystals and ceramics: recent advances

Kaminskii

2007

Laser & Photonics Reviews

368

236

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After a brief examination of known insulating laser crystals and the stimulated emission channels of their generating activator ions, this article reviews recent advances in the development of novel lasing crystals and ceramics, as well as inorganic and organic nonlinear-laser crystals for χ (3) and cascaded χ (3) ↔ χ (2) frequency converters. Several new modern attractive technologies in the physics and techniques of crystalline lasers are also discussed.Section of the crystal structure of Na3Li (SeO4)

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Section: Liquid Phase Epitaxy (Lpe)mentioning

confidence: 99%

“…The main limitations of this method are the lack of accurate thickness control and the poor surface uniformity of the layer, which however, can be overcome by polishing. LPE has been extensively used for growth of oxide layers and for waveguide lasers in particular, early work focused on development of rare-earth doped garnet films [66,[68][69][70][71][72][73][74][75].Research interest in recent years has shifted towards deposition of rare-earth doped double tungstate structures [65,[76][77][78][79][80][81][82][83][84][85], due to a number of favorable properties of these crystals, such as the possibility of doping with high concentrations of rare earth ions and the large emission and absorption cross sections of the latter in this family of crystals. Finally, there is only one report to date on a waveguide laser based on other crystals, namely on YLF:Nd 3+…”

mentioning

confidence: 99%

Optically pumped planar waveguide lasers, Part I: Fundamentals and fabrication techniques

Grivas

2011

Progress in Quantum Electronics

193

102

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Abstract:The tremendous interest in the field of waveguide lasers in the past two decades is largely attributed to the geometry of the gain medium, which provides the possibility to store optical energy on a very small dimension in the form of an optical mode. This allows for realization of sources with enhanced optical gain, low lasing threshold, and small footprint and opens up exciting possibilities in the area of integrated optics by facilitating their on-chip integration with different functionalities and highly compact photonic circuits. Moreover, this geometrical concept is compatible with high power diode pumping schemes as it provides exceptional thermal management, minimizing the impact of thermal loading on laser performance. The proliferation of techniques for fabrication and processing capable of producing high optical quality waveguides has greatly contributed to the growth of waveguide lasers from a topic of fundamental research to an area that encompasses a variety of practical applications. In this first part of the review on optically pumped waveguide lasers the properties that distinguish these sources from other classes of lasers will be discussed. Furthermore, the current state-of-the art in terms of fabrication tools used for producing waveguide lasers is reviewed from the aspects of the processes and the materials involved. 2 1.IntroductionOver the last two decades the field of solid-state planar waveguide lasers has experienced a steady growth, progressing from a laboratory curiosity to an area that demonstrates a broad spectrum of applications, from multiwavelength laser channel arrays for telecommunications to diode-pumped planar structures with multiwatt output powers for sensing and ranging applications. Waveguide lasers are by no means a new field and the first report on such a source dates back in 1961, when laser operation of a waveguide based on an active glass core rod embedded in a low refractive index cladding was demonstrated [1]. However research efforts in the years that followed this report focused primarily on the development of optically pumped laser sources based on high optical quality bulk dielectric laser media in the form of rods and slabs. The merits of the waveguide geometry and the associated optical confinement have been first highlighted in single mode glass optical fibers. Fibers have proven an enabling technology for realization of highly efficient amplifier and laser sources owing to their unrivalled low loss performance and ability to maintain a small spot size and hence high intensities over lengths that are orders of magnitude longer than would normally be allowed by diffraction, [2,3]. Er-doped fiber amplifiers (EDFAs) in particular have directly contributed to the enormous expansion of the optical communications networks that underpin today's internet infrastructure by allowing for signal regeneration and optical data transmission over long distances. The excellent performance of fiber lasers and amplifiers provided motivation and triggered a major techn...

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Low threshold quasi-three-level 946 nm laser operation of an epitaxially grown Nd:Y3Al5O12 waveguide

Cited by 37 publications

References 17 publications

Luminescence properties in the visible of Dy:YAG/YAG planar waveguides

Luminescence properties in the visible of Dy:YAG/YAG planar waveguides

Laser crystals and ceramics: recent advances

Optically pumped planar waveguide lasers, Part I: Fundamentals and fabrication techniques

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