Koichi Okamoto, Ph.D Senior Research Fellow Department of Physics Mail Code 136-93 California Institute of Technology Pasadena, CA 91125, USA Tel:(626) 395-2206, Fax: (626) 683-9547 My Accomplishments My Favorite Link to Plasmonic.net

Curriculum Vita (PDF) Publication List References Research Plasmonics (53p, 2.2MB) Photonic Crystal (32p, 1.6MB) Molecular Sensing (23p, 0.6MB) Time-Spatial Spectroscopy (62p, 2.3MB) Nonlinear Optics (78p, 1.6MB) Molecular Dynamics (37p, 0.83MB) Short Talk (19p, 2.6MB)

I also made Japanese Page only for this title page


News

I was appointed as a Research Associate Professor at Kyoto University. (9/1/2007)

I opened new Web Page about my Research Projects; http://plasmonic.net. I already moved all contents of this page into the new page. Please see the new page from now on. (5/1 2007)

I left Caltech and became a full-time PRESTO researcher at Independent Administrative Institution; Japan Science and Technology Agency (JST) . (4/1 2007).

My research "Development of super bright light emitting devices based on plasmonics" was selected as a project of "Precursory Research for Embryonic Science and Technology; PRESTO (Sakigake)". detail information (Japanese) (9/1/2006)

Our recent paper (Appl. Phys. Lett. 87, 161104, 2005) was highlighted at Editors' Choice, Science 310, 591, 2005. (10/28/2005)

Research Interest

Main research fields are Quantum-optics, Nonlinear-optics, Opt-electronics, Solid-states-physics, Material Science, and Photo-chemistry, etc. Current research interests include design, fabrication, and characterization of novel materials and devices based on nano-photonics and plasmonics, and development of highly time-spatial resolved spectroscopy.

In my most recent devices, I have shown dramatic increases in the light emission intensity from quantum wells when these are placed within the high electromagnetic fields of surface plasmons formed at the interface between metals and dielectric materials (Nature Materials, 3, 601, 2004). This work would lead to a new class of highly efficient and high-speed solid state light emitters alternative to conventional light bulbs.

Technical Skills

Nanofabrication techniques; Electron beam lithography, UV photolithography, Laser beam writhing, Reactive ion etching (RIE), Chemically assisted ion etching (CAIBE), Inductively coupled plasma reactive ion etching (ICPRIE), Sputter deposition, Metal evaporation, Ion milling, chemical etching, etc.

Characterization techniques; Ultra-fast time-resolved laser spectroscopy, Pump and probe spectroscopy, Nonlinear spectroscopy (transient grating technique, etc.), Raman spectroscopy, Near-field scanning optical microscopy, Confocal scanning laser microscopy, Photoluminescence, Electroluminescence, Cathodeluminescence, Photothermal spectroscopy, Time-space resolved spectroscopy, etc.

By using these techniques, I can design, fabricate, and characterize nanophotonics devices (photonic crystals, quantum wires/dots, microcavities, waveguides, etc.), plasmonic devices (super bright and high-speed light emitter, etc.), and microfluidic devices (cell sorter, single molecule sensor, DNA sequencer, etc).

Education

• Ph.D. Science, March 1998, Graduated School of Science, Chemistry, Kyoto University
  Research Field: Photo Physical Chemistry, (Nonlinear Laser Spectroscopy)
  Thesis Adviser: Prof. Noboru Hirota
  
• M.S. Science, March 1994, Kyoto University
• B.S. Chemical Engineering, 1991, Doshisha University

Experiences

• October 2006- Current, PRESTO Researcher, Japan Science and Technology Agency
• February 2005 - March 2007, Senior Research Fellow (Faculty Position),
  Deartment of Physics, California Institute of Technology
• June 2004 - January 2005, Senior Postdoctoral Scholar,
  Deartment of Electrical Engineering, California Institute of Technology
• June 2001 - May 2004, Postdoctoral Scholar,
  Deartment of Electrical Engineering, California Institute of Technology
• April 2000 - December 2002, Research Fellow of the Japan Society for the Promotion of Science,
  Department of Electronic Science and Engineering, Kyoto University
• April 1998 - March 2000, Postdoctoral Researcher,
  Venture Business Laboratory, Kyoto University
• April 1997 - March 1998, Lecturer
  Faculty of Integrated Human Studies, Kyoto University

Awards

• Mar. 2001, Kansai Silicon valley Forum, Venture Business Prize
• Apr. 2000 - Dec. 2002, JSPS Research Fellowship for Young Scientists
• Apr. 2000 - Mar. 2002, Grant of the Research Foundation for Opto-Science and Technology
• Nov. 2000, Kansai Techno-Idea Prize f2000
• Jan. 2000, Konica Imaging Science Prize
• Nov. 1999, Kansai techno-Idea Prize f99, Japan
• May 1999, Young Researcher Prize in Kyoto University-Venture Business Lab.
• May 1999, Kansai Silicon valley Forum, Venture Idea Prize
• Nov. 1998, KU-VBL, Techno-Idea Prize
• Sep. 1998 - Mar. 2001, KU-VBL, Research Grant for Young Scientists
• Apr. 1994 - Mar. 1997, Fellowship of the Japan Scholarship Foundation

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gPurple sunset in downtown LAh taken from Griffith Observatory at Sept. 2001

• Caltech Nano-fabrication group
• Caltech Japanese Association
• California Institute of Technology
• Kyoto University in Japan

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Last Update: Feb. 22, 2006
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