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- Publications
- Influence
Direct Frequency Modulation In AlGaAs Semiconductor Lasers
- S. Kobayashi, Y. Yamamoto, M. Ito, T. Kimura
- Materials Science
- 1 April 1982
Direct frequency modulation characteristics in three different AlGaAs lasers - a channeled-substrate planar (CSP) laser, a buried-heterostructure (BH) laser, and a transverse-junction-stripe (TJS)… Expand
LASERS, OPTICS, AND OPTOELECTRONICS 2865 Single-mode solid-state single photon source based on isolated quantum dots in pillar microcavities
- E. Moreau, I. Robert, +40 authors C. Fotakis
- Materials Science, Physics
- 23 October 2001
We report the fabrication of a single-mode solid-state single photon source, based on an isolated InAs quantum dot (QD) on resonance with the fundamental mode of a pillar microcavity. Photon… Expand
Birefringence and polarization characteristics of single-mode optical fibers under elastic deformations
Birefringence and polarization dispersion caused by: 1) elliptical core, 2) twist, 3) pure bending, 4) transverse pressure, and 5) axial tension are studied by treating these deformations as… Expand
Birefringence caused by thermal stress in elliptically deformed core optical fibers
Birefringence and polarization dispersion introduced by thermal stress in single-mode fibers with elliptical core are formulated here in terms of fiber structure parameters, thermal expansion… Expand
PERFORMANCE OF RESONANT SLOW EXTRACTION FROM J-PARC MAIN RING
- M. Tomizawa, Y. Arakaki, +12 authors K. Mochiki
- Engineering
- 2012
A proton beam accelerated by the J-PARC main ring (MR) is slowly extracted by a third integer resonant extraction and delivered to the hadron experimental hall. A low beam loss (high extraction… Expand
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One-dimensional Wolter optics with a sub-50 nm spatial resolution.
- S. Matsuyama, T. Wakioka, +8 authors K. Yamauchi
- Physics, Medicine
- Optics letters
- 1 November 2010
We studied an imaging system consisting of an elliptical mirror and a hyperbolic mirror [i.e., one-dimensional (1D) Wolter optics] to realize an achromatic full-field hard x-ray microscopy with a… Expand
2 Gbit/s optical transmission experiments at 1.3 μm with 44 km single-mode fibre
- J. Yamada, S. Machida, T. Kimura
- Materials Science
- 25 June 1981
GeAPD optical receiver sensitivity at 1.3 μm was studied up to 2 Gbit/s. High sensitivity of the receiver and a low coupling loss of 4 dB between a laser and a single-mode fibre achieved by a… Expand
Spatial hole-burning effects in a Nd 3+ :YAG laser
- T. Kimura, K. Otsuka, M. Saruwatari
- Physics
- 1 June 1971
The concept of spatial hole burning in the population inversion distribution of a solid-state laser was introduced by Tang et al in 1963 [3]. In this paper, several aspects of the spatial… Expand
Degree of polarization in anisotropic single-mode optical fibers: Theory
- J. Sakai, S. Machida, T. Kimura
- Physics
- 1 April 1982
The degree of polarization for propagation waves in anisotropic single-mode fibers is formulated in terms of light source spectrum, incident polarization condition, and fiber parameters. The… Expand
Polarisation conservation in single-mode fibres
- S. Machida, J. Sakai, T. Kimura
- Materials Science
- 9 July 1981
There exist proper orthogonal elliptical polarisation states, which are maintained over long fibre length without converting. When one of the proper polarisation states is excited, orthogonal… Expand
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