Zobrazeno 1 - 10
of 99
pro vyhledávání: '"Tadashi Ikeuchi"'
Publikováno v:
IEEE Photonics Journal, Vol 11, Iss 1, Pp 1-9 (2019)
We experimentally demonstrate pilot aided compensation of relative phase noise (RPN) in a distributed Raman amplified coherent fiber optic system with forward pumping. This technique effectively eliminates the error floor that arises when conventiona
Externí odkaz:
https://doaj.org/article/b5ec9fdb0cd44c0ba41dd612fff7e89e
Autor:
Meng Lon Iu, Nima Zareian, Dongpeng Kang, Eric Chen, Paul Charles, Bilal Janjua, Youichi Akasaka, Tadashi Ikeuchi, Amr S. Helmy
Publikováno v:
APL Photonics, Vol 5, Iss 1, Pp 011301-011301-5 (2020)
Optical frequency conversion in chip-scale devices enables crucial applications in myriad fields, such as optical communication, spectroscopy, and sensing. With large nonlinearities and the possibility of monolithic pump laser integration coexisting
Externí odkaz:
https://doaj.org/article/e8bfb215ded44339a52745f1852593f1
Publikováno v:
IEEE Photonics Journal, Vol 10, Iss 1, Pp 1-10 (2018)
We show that quasi-single-mode transmission in few-mode fibers (FMFs) can reduce the number of spans for a fixed transmission distance and, consequently, the cost per bit for terrestrial transmission systems by minimizing both the Capex and Opex. The
Externí odkaz:
https://doaj.org/article/c550489b375c4afeb737ccb6dcfa0f0b
Publikováno v:
IEEE Photonics Journal, Vol 8, Iss 5, Pp 1-8 (2016)
We propose a simplified analytical model for the estimation of nonlinearity mitigation using spectral inversion. We demonstrate excellent agreement between analytical model and numerical simulations within a standard deviation of 0.2 dB Q-factor for
Externí odkaz:
https://doaj.org/article/423ab47ec1d44a9fa5b3e08062ae1955
Autor:
Zhizhong Yan, Haoyu He, Han Liu, Meng Iu, Osman Ahmed, Eric Chen, Youichi Akasaka, Tadashi Ikeuchi, Amr S. Helmy
Publikováno v:
Journal of Lightwave Technology. 40:5943-5951
We report parametric gain by utilizing $ \chi^{(2)} $ non-linearities in a semiconductor Bragg Reflection Waveguide (BRW) waveguide chip. Under the two-mode degenerate type II phase matching, it can be shown that more than 18 dBs of parametric gain f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3d7333ffab87bde551438acadce2fa9
https://doi.org/10.1109/jlt.2022.3186551
https://doi.org/10.1109/jlt.2022.3186551
Publikováno v:
IEEE Photonics Technology Letters. 33:872-875
We explore the potential of a combination of two fiber parametric wavelength converters and an erbium-doped fiber amplifier to serve as a hybrid amplifier for S-band. We experimentally confirm the validity of a simple quantum model of the wavelength-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78eace64f5a3fdb27bb092feb80ab8f7
https://doi.org/10.1109/lpt.2021.3083420
https://doi.org/10.1109/lpt.2021.3083420
Publikováno v:
Journal of Lightwave Technology. 38:3067-3073
In this work, we compare the performance of probabilistically shaped (PS) QAM systems with reference uniform QAM under two conditions: (1) for the same information rate (IR) and the same FEC rate; (2) for the same entropy and the same FEC rate but re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbcd9e96e93b5848051486324f32460d
https://doi.org/10.1109/jlt.2020.2986140
https://doi.org/10.1109/jlt.2020.2986140
Autor:
Olga Vassilieva, Chigo Okonkwo, Sebastiaan Goossens, Yunus Can Gultekin, Alex Alvarado, Inwoong Kim, Tadashi Ikeuchi, Frans M. J. Willems, Abdelkerim Amari
Publikováno v:
Journal of Lightwave Technology, 37(23):8850066, 5926-5936. IEEE/LEOS
Journal of Lightwave Technology
Journal of Lightwave Technology
Probabilistic shaping based on constant composition distribution matching (CCDM) has received considerable attention as a way to increase the capacity of fiber optical communication systems. CCDM suffers from significant rate loss at short blocklengt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3662b42c99aa98c7abe6a08cbaf05c0c
https://doi.org/10.1109/jlt.2019.2943938
https://doi.org/10.1109/jlt.2019.2943938
Publikováno v:
Journal of Lightwave Technology. 37:50-60
Fiber nonlinearity has become a major limiting transmission impairment factor. In this paper, we discuss various nonlinearity mitigation techniques in electrical and optical domains. In electrical domain, multiple reduced complexity digital back-prop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0766168da0a9df84b16baa41934355b9
https://doi.org/10.1109/jlt.2018.2877310
https://doi.org/10.1109/jlt.2018.2877310
Publikováno v:
IEEE Photonics Journal, Vol 11, Iss 1, Pp 1-9 (2019)
We experimentally demonstrate pilot aided compensation of relative phase noise (RPN) in a distributed Raman amplified coherent fiber optic system with forward pumping. This technique effectively eliminates the error floor that arises when conventiona
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::863711a4108fb5d9967f67ac09093008
https://ieeexplore.ieee.org/document/8573832/
https://ieeexplore.ieee.org/document/8573832/