Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Takahide Ochiai"'
Autor:
Atsushi Sugiyama, Takahide Ochiai, Kyosuke Nagasaka, Tatsuo Dougakiuchi, Tadataka Edamura, Naota Akikusa
Publikováno v:
2022 28th International Semiconductor Laser Conference (ISLC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df3e25d5fe776194e5015233460b88d3
https://doi.org/10.23919/islc52947.2022.9943420
https://doi.org/10.23919/islc52947.2022.9943420
Publikováno v:
2021 26th Microoptics Conference (MOC).
Mid-infrared Quantum cascade lasers (QCLs) opens the way for many applications thanks to “fingerprint region of molecules”. In recent years, the emergence of external cavity broadband wavelength-swept QCLs have been providing new benefits not fou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fbbc1fc139cefa35f9fde3d51f155a8
https://doi.org/10.23919/moc52031.2021.9598160
https://doi.org/10.23919/moc52031.2021.9598160
Autor:
Hirofumi Kan, Masamichi Yamanishi, Tadataka Edamura, Takahide Ochiai, Naota Akikusa, Shinich Furuta, Kazuue Fujita, Atsushi Sugiyama
Publikováno v:
IEEE Journal of Quantum Electronics. 46:683-688
We report high performance λ~8.6 μm m quantum cascade lasers based on 5 quantum well single phonon-continuum (SPC) depopulation scheme, grown by metal organic vapor-phase epitaxy. Devices with SPC depopulation structures exhibit high device perform
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73915116d1b00fe38ef88422b8df45d5
https://doi.org/10.1109/jqe.2010.2048015
https://doi.org/10.1109/jqe.2010.2048015
Autor:
Atsushi Sugiyama, Tadataka Edamura, Kazuue Fujita, Naota Akikusa, Masamichi Yamanishi, Takahide Ochiai, Hirofumi Kan
Publikováno v:
The Review of Laser Engineering. 36:75-79
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da1f7a5c13028f0632941f7d955d1253
https://doi.org/10.2184/lsj.36.75
https://doi.org/10.2184/lsj.36.75
Autor:
Akio Ito, Masamichi Yamanishi, Takahide Ochiai, Naota Akikusa, Atsushi Sugiyama, Tadataka Edamura, Shinichi Furuta, Kazuue Fujita, Hirofumi Kan
Publikováno v:
SPIE Proceedings.
We report a high performance operation of quantum cascade lasers based on Single Phonon-Continuum depopulation (SPC) structures. The lasers exhibit low CW threshold current densities and high characteristic temperatures in the wide wavelength range b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::058b1f6f2af4aff26be1e2eec0715608
https://doi.org/10.1117/12.808355
https://doi.org/10.1117/12.808355
Autor:
Shinichi Furuta, Masamichi Yamanishi, H. Kan, Naota Akikusa, Tadataka Edamura, Akio Ito, Atsushi Sugiyama, Takahide Ochiai, Kazuue Fujita
Publikováno v:
2008 Conference on Lasers and Electro-Optics.
We demonstrate room temperature, CW operation of a 5.2 mum quantum-cascade laser with single phonon resonance-continuum depopulation structure, grown by MOVPE. The laser exhibits a simple ridge structure without high reflection coatings.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d2b61187a1086d6628700b6ea31addf
https://doi.org/10.1109/cleo.2008.4551631
https://doi.org/10.1109/cleo.2008.4551631
Autor:
Hirofumi Kan, Naota Akikusa, Kazuue Fujita, Shinichi Furuta, Atsushi Sugiyama, Masamichi Yamanishi, Takahide Ochiai, Tadataka Edamura
Publikováno v:
LEOS 2007 - IEEE Lasers and Electro-Optics Society Annual Meeting Conference Proceedings.
We propose a new quantum-cascade laser structure with single phonon resonance-continuum depopulation and demonstrate room temperature, CW operation of the proposed 7.9 mum quantum-cascade laser. The laser grown by MOVPE emits a CW output power of 36
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d5ce7dc42c774489594678ec1f4f39b
https://doi.org/10.1109/leos.2007.4382628
https://doi.org/10.1109/leos.2007.4382628
Autor:
Kiyoji Uehara, Naota Akikusa, Masamichi Yamanishi, Takahide Ochiai, Kazuue Fujita, Tadataka Edamura, Atsushi Sugiyama, Hirofumi Kan, Shinichi Furuta
Publikováno v:
The Review of Laser Engineering. 36:142-143
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1aeb2e5d4b3674df5ee771b19ffa529
https://doi.org/10.2184/lsj.36.142
https://doi.org/10.2184/lsj.36.142
Autor:
Takahide Ochiai, Shinichi Furuta, Tatsuo Dougakiuchi, Masamichi Yamanishi, Akio Ito, Tadataka Edamura, Kazuue Fujita, Atsushi Sugiyama
Publikováno v:
Applied Physics Letters. 98:231102
The authors report high temperature continuous-wave (cw) operations of broad-gain quantum cascade lasers based on the anticrossed dual-upper-state to multiple-lower-state design. The devices exhibit extremely wide electroluminescence (>600 cm−1) an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77f98f65250f26e9a28724646ce9de62
https://doi.org/10.1063/1.3596706
https://doi.org/10.1063/1.3596706
Autor:
Masamichi Yamanishi, Kazuue Fujita, Hirofumi Kan, Tadataka Edamura, Shinichi Furuta, Takahide Ochiai, Atsushi Sugiyama, Naota Akikusa
Publikováno v:
Applied Physics Letters. 91:141121
We propose a new quantum-cascade laser structure with single phonon resonance-continuum depopulation and demonstrate room temperature, continuous-wave operation of the proposed 7.9μm quantum-cascade laser. The laser grown by metal organic vapor-phas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cdca72039ce5f11adf14855de36e9b3e
https://doi.org/10.1063/1.2795793
https://doi.org/10.1063/1.2795793