Zobrazeno 1 - 10
of 2 157
pro vyhledávání: '"Mach-Zehnder modulator"'
Publikováno v:
ETRI Journal, Vol 46, Iss 2, Pp 194-204 (2024)
A new method is proposed to generate a 32-tupling frequency millimeter wave (MMW) with eight Mach-Zehnder modulators (MZMs) connected in parallel. Theoretical analyses and simulation experiments are conducted. The optical sideband suppression ratio (
Externí odkaz:
https://doaj.org/article/3a7b35c842b248e8b09112f421dbf5dc
Optimizing a modulator driver for linear and high-speed operation, while simultaneously achieving a high output voltage swing is very challenging. This paper investigates the design of a highlylinear, high-bandwidth yet power-efficient Mach-Zehnder m
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A91930
https://tud.qucosa.de/api/qucosa%3A91930/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A91930/attachment/ATT-0/
Publikováno v:
Transport and Telecommunication, Vol 25, Iss 1, Pp 66-76 (2024)
This paper presents a study of a 32×10 Gbps Radio over Fiber and Wavelength Division Multiplexing (RoF-WDM) full-duplex system that uses Phase Modulators and a Dual-Port Mach-Zehnder Modulator (PMs-DPMZM) for bidirectional data transfer. The system
Externí odkaz:
https://doaj.org/article/b6e9b477513a4ec28a2a68b393d196e1
Autor:
Rasul Azizpour, Hassan Zakeri, Gholamreza Moradi, Mohammad Alibakhshikenari, Francisco Falcone, BO Liu, Tayeb A. Dendini, Imko Park, Slawomir Koziel, Ernesto Limiti
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 5, Pp 1-13 (2024)
Recent advancements in Radio-over-Fiber (RoF) technology have positioned it as a promising solution for high-capacity wireless communications. This paper explores novel applications of RoF systems in enhancing phased array antenna (PAA) performance f
Externí odkaz:
https://doaj.org/article/7e3b546619e3459b878ad871755f09f8
Publikováno v:
Applied Sciences, Vol 14, Iss 19, p 8797 (2024)
In wireless communication and radar systems, long-distance signal transmission poses significant challenges that affect overall system performance. In this paper, we propose an innovative bistatic radar cross section (RCS) testing system designed to
Externí odkaz:
https://doaj.org/article/743d05271ec04f8ebc9135e687855133
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
Interferometrically Enhanced Intensity and Wavelength Modulation in Tunable Diode Laser Spectroscopy
Autor:
Sander Vervoort, Marcus Wolff
Publikováno v:
Photonics, Vol 11, Iss 8, p 740 (2024)
Tunable diode laser spectroscopy (TDLS) is a measurement technique with high spectral resolution. It is based on tuning the emission wavelength of a semiconductor laser by altering its current and/or its temperature. However, adjusting the wavelength
Externí odkaz:
https://doaj.org/article/b4d66c63689b4bd783e422273d61a1c6
Publikováno v:
Photonics, Vol 11, Iss 7, p 588 (2024)
A microwave photonic frequency multiplier with low phase noise based on an optoelectronic oscillator (OEO) is proposed and experimentally demonstrated. In this scheme, a dual-parallel Mach–Zehnder modulator (DPMZM) is employed to generate the third
Externí odkaz:
https://doaj.org/article/e45dea65acd74d7aaef23dda4783e19d
Publikováno v:
IEEE Access, Vol 11, Pp 90715-90723 (2023)
Sensors are a major component in any experimental set-up. In a high voltage environment, the aspect of safety must be particularly emphasized and the galvanic isolation is often provided by an optical communication link in between the “electric-sen
Externí odkaz:
https://doaj.org/article/50442d3efc9640838145d431eabd2658
Autor:
Ruoyun Yao, Wanshu Xiong, Zhangwan Peng, Weiwei Pan, Xiaojun Ying, Yili Liu, Yiti Xiong, Chen Ji
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 3, Pp 1-7 (2023)
We present multi-parameter optimization of a shallow ridge InP-based traveling wave Mach-Zehnder modulator (MZM) for ultra-wide modulation bandwidth by velocity and impedance matching and microwave attenuation minimization. Relationship between MZM m
Externí odkaz:
https://doaj.org/article/2d928ec2ea534d0694793071bf7294cd