Japan Science and Technology Agency (JST) have launched a new program called strategic promotion of innovative
research and development ( S-Innovation ). Projects chosen for the S-Innovation program are selected from among the
research output of JST's strategic and basic research programs, such as CREST, ERATO, Sakigake and PREST, which
aim to create innovative new technologies, lead to the advancement of science and technology and the emergence of new
industries. S-Innovation covers R&D themes from the aforementioned programs and is based on the seamless, long-term
pursuit of R&D toward the practical application of novel technologies. It is envisaged that the innovation resulting from
such technologies will form the foundations of future industries. Currently the program consists of four projects in which
photonics polymers are included. The photonic polymer research consists of five topics such as development of fast
organic photorefractive polymers for advanced optical communication technology, development of new device
technology based on nano-ordered structures of polymers, development of three-dimensional vector wave memory,
optical interconnect device technology using high performance photonic polymers and development of quantum
photonic technologies with polymer optical nano-fibers. Each topic is funded approximately $1.0 M/year for ten years.
The objectives and unique features of S-innovation and the highlights of each topic are described.
We discuss how subwavelength-diameter silica-fibers, "optical nanofibers", can open new perspectives for manipulating
atoms and photons. We explore atom/photon interaction around a nanofiber using laser-cooled Cs-atoms. We show that
single atoms on a nanofiber can work as an optically dense medium which may give a novel work medium for slow light
through an optical fiber. Basic characteristics for single atoms on a nanofiber; spontaneous emission, single-atom
trapping, photoabsorption, and quantum interference, are discussed.
Nonlinear optics in a liquid hydrogen droplet is discussed. We carry out the stimulated Raman scattering (SRS) experiments using high-Q whispering gallery modes. We show that the liquid hydrogen droplet readily leads to high cavity Q-values exceeding 109 from ultraviolet to visible wavelength region. Using the high-Q liquid-hydrogen droplet, we demonstrate that, by pumping with an ultraviolet laser radiation, the SRS generates multiorder SRS sideband series through vibrational and rotational coherences covering whole ultraviolet-visible region from 200 nm to 900 nm, which may turn out as a super wideband optical comb generator. We also show that the SRS in the liquid hydrogen droplet proceeds for continuous operation with multiorder sidebands.
Sum-frequency generation with electromagnetically induced transparency is investigated experimentally as the generation of coherent Lyman-(Beta) radiation (103 nm) in atomic hydrogen. We demonstrate that with the application of a strong laser field to couple the 2 s and 3 p levels, the resonant Lyman-(Beta) transition becomes transparent, and the generated wave continues to grow without suffering resonant absorption. At a density-length product NL of 3 X 1015 cm-2, a conversion efficiency of 2 X 10-4 is obtained for the coherent 103 nm radiation.
Conference Committee Involvement (11)
Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology
2 February 2019 | San Francisco, California, United States
Steep Dispersion Engineering and Opto-Atomic Precision Metrology XI
29 January 2018 | San Francisco, California, United States
Slow Light, Fast Light, and Opto-Atomic Precision Metrology X
30 January 2017 | San Francisco, California, United States
Slow Light, Fast Light, and Opto-Atomic Precision Metrology IX
15 February 2016 | San Francisco, California, United States
Slow Light, Fast Light, and Opto-Atomic Precision Metrology VIII
8 February 2015 | San Francisco, California, United States
Advances in Slow and Fast Light VII
2 February 2014 | San Francisco, California, United States
Advances in Slow and Fast Light VI
3 February 2013 | San Francisco, California, United States
Advances in Slow and Fast Light V
22 January 2012 | San Francisco, California, United States
Advances in Slow and Fast Light IV
23 January 2011 | San Francisco, California, United States
Advances in Slow and Fast Light III
25 January 2010 | San Francisco, California, United States
Advances in Slow and Fast Light II
25 January 2009 | San Jose, California, United States
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