Zobrazeno 1 - 10
of 235
pro vyhledávání: '"External Modulation"'
Publikováno v:
Guangtongxin yanjiu, Pp 22004801-22004812 (2024)
In the field of optical communication, laser and its modulation bandwidth and modulation rate are very important for optical wireless communication. There are two main modulation modes for semiconductor laser signal: internal modulation and external
Externí odkaz:
https://doaj.org/article/14f0f51fae284228a00aa5f5094414bd
Publikováno v:
Mathematics, Vol 12, Iss 17, p 2781 (2024)
In this paper, a filterless 32-tupling millimeter wave generation scheme based on eight MZMs is proposed. The system has an upper and lower parallel two-branch structure. The upper branch consists of two subsystems Sub-A and Sub-B in cascade, each su
Externí odkaz:
https://doaj.org/article/787669cb395c47e980fff9c22f07a28e
Autor:
I. V. Unchenko, A. A. Emelyanov
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 26, Iss 1, Pp 58-67 (2023)
Introduction. Designers of modern on-board systems for communication, radar, and radio monitoring face the problem of improving their qualitative characteristics, including the operating frequency, instantaneous bandwidth, receiver sensitivity, and e
Externí odkaz:
https://doaj.org/article/ee4c2f5e2b6747c2834327176a4ca746
Publikováno v:
IEEE Access, Vol 11, Pp 33470-33479 (2023)
A photonics-assisted scheme for generating various microwave waveforms has been investigated in this paper. In the proposed scheme, two phase modulation to intensity modulation (PM-IM) conversions are realized using two cascaded Sagnac interferometer
Externí odkaz:
https://doaj.org/article/5acac12358df4f6692cb9cc1fdd6e924
Akademický článek
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Autor:
Jin Yuan
Publikováno v:
Results in Physics, Vol 22, Iss , Pp 103885- (2021)
An improved photonic generation of full-duty-cycle triangular waveforms based on external modulation and orthogonal polarization control is proposed. The external modulation configuration consists a dual-parallel Mach–Zehnder modulator (DP-MZM) and
Externí odkaz:
https://doaj.org/article/575e3d20f0424b0ba371fea3fa6e6c66
Publikováno v:
Mehran University Research Journal of Engineering and Technology, Vol 35, Iss 1, Pp 1-10 (2016)
Nonlinearities implanted by refractive index and scattering degrade the performance of optical networks. In this paper, FWM (Four Wave Mixing) has been analyzed for four different channels with 10 nm spacing. Due to the presence of resonant frequency
Externí odkaz:
https://doaj.org/article/5bd34d833935419bb11e50d65cc07e1c
Autor:
Vallejo Castro, Luis
[ES] El estándar de quinta generación (5G) es la clave potencial para satisfacer el aumento exponencial en la demanda de nuevas aplicaciones, servicios y usuarios. La tecnología 5G ofrecerá una latencia extremadamente baja de 1 ms, una velocidad
Externí odkaz:
http://hdl.handle.net/10251/190253
Publikováno v:
IEEE Photonics Journal, Vol 6, Iss 6, Pp 1-7 (2014)
A system involving W-band (75-110 GHz) optical millimeter (mm)-wave generation using the external optical modulator (EOM) in a radio-over-fiber (RoF) link is presented for satisfying the requirements for multi-gigabit-per-second data rates. A 90-GHz
Externí odkaz:
https://doaj.org/article/af912df1f40a419989c4e6da5d8f88f1
Akademický článek
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