Zobrazeno 1 - 10
of 158
pro vyhledávání: '"Takeshi Kitatani"'
Autor:
Kazuki Suga, Kouji Nakahara, Shigenori Hayakawa, Masatoshi Arasawa, Ryu Washino, Takeshi Kitatani, Masatoshi Mitaki, Hironori Sakamoto, Shigehisa Tanaka
Publikováno v:
2022 28th International Semiconductor Laser Conference (ISLC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdcda6e4ff64374e3c4d9c0d68028e1a
https://doi.org/10.23919/islc52947.2022.9943488
https://doi.org/10.23919/islc52947.2022.9943488
Autor:
Shigehisa Tanaka, Tetsuya Nishida, Kouji Nakahara, Kaoru Okamoto, Shigenori Hayakawa, Yasushi Sakuma, Hironori Sakamoto, Ryu Washino, Masatoshi Mitaki, Kazuki Suga, Masatoshi Arasawa, Takeshi Kitatani
Publikováno v:
ECOC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71b9a68636bc74f1254bbbd6fdb5fb2a
https://doi.org/10.1109/ecoc52684.2021.9606099
https://doi.org/10.1109/ecoc52684.2021.9606099
Autor:
Shigehisa Tanaka, Hironori Sakamoto, Masatoshi Arasawa, Yasushi Sakuma, Ryu Washino, Kazuki Suga, Shigenori Hayakawa, Masatoshi Mitaki, Kaoru Okamoto, Takeshi Kitatani, Tetsuya Nishida, Kouji Nakahara
Publikováno v:
OFC
The importance of high relaxation oscillation frequency to obtain superior 106-Gb/s PAM-4 waveforms was revealed for SR-LBH lasers. In addition, clear 56-Gb/s NRZ eye openings were first demonstrated up to 85°C using SR-LBH laser.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7d35063039584f7b7d7138e1010badf
https://doi.org/10.1364/ofc.2020.t3c.2
https://doi.org/10.1364/ofc.2020.t3c.2
Publikováno v:
Journal of Crystal Growth. 479:41-45
We investigated the diffusion characteristics of Zn in ternary and quaternary alloys of InGaAsP and InGaAlAs, which are important materials in long-wavelength optical communication devices. The measured Zn diffusion profiles of InGaAs, InGaAsP, and I
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f6f88ddcccd405025d3fd1e886a3d13
https://doi.org/10.1016/j.jcrysgro.2017.09.017
https://doi.org/10.1016/j.jcrysgro.2017.09.017
Autor:
Shigenori Hayakawa, Masatoshi Arasawa, Kazuki Suga, Hironori Sakamoto, Yasushi Sakuma, Kaoru Okamoto, Tetsuya Nishida, Masatoshi Mitaki, Ryu Washino, Kouji Nakahara, S. Tanaka, Takeshi Kitatani
Publikováno v:
45th European Conference on Optical Communication (ECOC 2019).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1bec521440247742ad0fc785032c459
https://doi.org/10.1049/cp.2019.1025
https://doi.org/10.1049/cp.2019.1025
Autor:
Shigehisa Tanaka, K. Tamura, Takeshi Kitatani, Takayoshi Fukui, Riu Hirai, Kaoru Okamoto, Nobuhiko Kikuchi, Kouji Nakahara, Yasushi Sakuma
Publikováno v:
OFC
We firstly demonstrate incoherent multiplexing of two NRZ signals utilizing directly modulated lasers transmits 106-Gb/s/lane PAM-4 signals over 10 km without non-linear compensation. Skewless eye diagram of this method attained lower BERs than conve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0365d22870f64a8169d182a4cde57d83
https://doi.org/10.1364/ofc.2018.th3b.3
https://doi.org/10.1364/ofc.2018.th3b.3
Autor:
Yasushi Sakuma, Yuki Wakayama, Takeshi Kitatani, Shigehisa Tanaka, Takafumi Taniguchi, Kouji Nakahara, Toshihiko Fukamachi
Publikováno v:
IEEE Photonics Technology Letters. 27:534-536
Direct modulation at 56 and 50 Gb/s of 1.3- $\mu $ m InGaAlAs ridge-shaped-buried heterostructure (RS-BH) asymmetric corrugation-pitch-modulation (ACPM) distributed feedback lasers is experimentally demonstrated. The fabricated lasers have a low thre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1f74d73feb0847635333c6c37b04c5b
https://doi.org/10.1109/lpt.2014.2384520
https://doi.org/10.1109/lpt.2014.2384520
Publikováno v:
2016 Compound Semiconductor Week (CSW) [Includes 28th International Conference on Indium Phosphide & Related Materials (IPRM) & 43rd International Symposium on Compound Semiconductors (ISCS).
We investigated the Zn diffusion characteristics in InGaAsP and InGaAlAs quaternary alloys, which are commonly used as the active layers of long wavelength optical communication devices. The measured Zn diffusion profiles of InGaAsP and InGaAlAs allo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7414e9e6c397d32b0d59ea179546f571
https://doi.org/10.1109/iciprm.2016.7528577
https://doi.org/10.1109/iciprm.2016.7528577
Autor:
Atsushi Nakamura, Hideo Arimoto, Kazunori Shinoda, Jun Igrashi, Kenji Uchida, Kazuhiko Naoe, Shinji Tsuji, Tatemi Ido, Shigehisa Tanaka, Takanori Suzuki, Takafumi Taniguchi, Aki Takei, Takeshi Kitatani
Publikováno v:
IEICE Transactions on Electronics. :1272-1275
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::323ec490e8518da86e56835771e199d2
https://doi.org/10.1587/transele.e95.c.1272
https://doi.org/10.1587/transele.e95.c.1272
Autor:
Shinji Tsuji, Toshihiko Fukamachi, Koichiro Adachi, Kazunori Shinoda, Yasunobu Matsuoka, Takeshi Kitatani, Toshiki Sugawara
Publikováno v:
Journal of Lightwave Technology. 29:2899-2905
Two multichannel 1.3-μ m lens integrated surface-emitting laser arrays for massive data links were fabricated. The basic structure of the lasers consists of a short InGaAlAs multiple-quantum-well distributed-feedback (DFB) active-stripe array monoli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c655a86019a26b3ed747b19b39daba0
https://doi.org/10.1109/jlt.2011.2163814
https://doi.org/10.1109/jlt.2011.2163814