Search Results - "Khayatzadeh, Ramin"

Impact of Phase Noise in 60-GHz Radio-Over-Fiber Communication System Based on Passively Mode-Locked Laser by Khayatzadeh, Ramin, Poette, Julien, Cabon, Beatrice

“…In this paper, a radio-over-fiber (RoF) communication system at 60 GHz based on passively mode-locked laser diode (PMLLD) is presented and the performance of…”
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Unwarped Lissajous Scanning With Polarization Maintaining Fibers by Khayatzadeh, Ramin, Ferhanoglu, Onur, Civitci, Fehmi

“…Piezoelectric actuated fiber-scanners have often been employed in optical imaging of tissues, owing to their compact size, low cost, and high resolution that…”
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Scanning fiber microdisplay: design, implementation, and comparison to MEMS mirror-based scanning displays by Khayatzadeh, Ramin, Civitci, Fehmi, Ferhanoglu, Onur, Urey, Hakan

“…In this study, we propose a compact, lightweight scanning fiber microdisplay towards virtual and augmented reality applications. Our design that is tailored as…”
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Highly Spectrally Pure 90-GHz Signal Synthesis Using a Coupled Optoelectronic Oscillator by Ly, Aliou, Auroux, Vincent, Khayatzadeh, Ramin, Gutierrez, Napoleon, Fernandez, Arnaud, Llopis, Olivier

“…A 90-GHz frequency reference is synthesized through harmonic generation from a 30-GHz coupled optoelectronic oscillator. The 30-GHz signal and its third…”
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Impact of Relative Intensity Noise on 60-GHz Radio-Over-Fiber Wireless Transmission Systems by Elwan, Hamza Hallak, Khayatzadeh, Ramin, Poette, Julien, Cabon, Beatrice

“…This paper investigates a 60-GHz radio-over-fiber (RoF) communication system employing two different techniques to generate millimeter-wave (mm-wave) signals…”
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Impact of Amplitude Noise in Millimeter-Wave Radio-Over-Fiber Systems by Khayatzadeh, Ramin, Elwan, Hamza Hallak, Poette, Julien, Cabon, Beatrice

“…In this paper, a complete theoretical and experimental study of amplitude noise impact on performance of radio-over-fiber (RoF) communication system in…”
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A 3D scanning laser endoscope architecture utilizing a circular piezoelectric membrane by Khayatzadeh, Ramin, Çivitci, Fehmi, Ferhanoğlu, Onur

“…A piezo-scanning fiber endoscopic device architecture is proposed for 3D imaging or ablation. The endoscopic device consists of a piezoelectric membrane that…”
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A 3D-printed 3D actuator for miniaturized laser scanning probes by Gürcüoğlu, Oğuz, Deniz Derman, I., Altınsoy, Melisa, Khayatzadeh, Ramin, Çivitci, Fehmi, Erten, Ahmet C., Ferhanoğlu, Onur

“…[Display omitted] •A hybrid lateral and axial system is formed to build a 3D laser scanner device.•Additive manufacturing methods were established to produce…”
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Impact of Laser Mode Partition Noise on Optical Heterodyning at Millimeter-Wave Frequencies by Elwan, Hamza Hallak, Khayatzadeh, Ramin, Tong Shao, Poette, Julien, Cabon, Beatrice, Barry, Liam P.

“…This paper examines the impact of laser mode partition noise (LMPN) during optical heterodyning process. The system presented here employs a passively…”
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Accurate Millimeter-Wave Laser Phase Noise Measurement Technique by Khayatzadeh, Ramin, Rzaigui, Habeb, Poette, Julien, Cabon, Beatrice

“…In this letter, a method based on time sampling and signal processing is proposed to measure the phase noise of any unstable optically generated carrier. We…”
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Noise Characterization of an Optical Frequency Comb Using Offline Cross-Correlation by Khayatzadeh, Ramin, Collombon, Mathieu, Guyomarc'h, Didier, Ferrand, Didier, Hagel, Gaetan, Houssin, Marie, Morizot, Olivier, Champenois, Caroline, Knoop, Martina

“…Using an offline cross-correlation technique, we have analyzed the noise behavior of a new type of optical frequency comb (OFC), which is carrier envelope…”
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Time Reversal for Multiple Access and Mobility: Algorithmic Design and Experimental Results by Mokh, Ali, de Rosny, Julien, Alexandropoulos, George C., Khayatzadeh, Ramin, Kamoun, Mohamed, Ourir, Abdelwaheb, Tourin, Arnaud, Fink, Mathias

“…Time Reversal (TR) has been proposed as a competitive precoding strategy for low-complexity wireless devices relying on Ultra-WideBand (UWB) signal waveforms…”
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Experimental Validation of Time Reversal Multiple Access for UWB Wireless Communications Centered at the 273 GHz Frequency by Mokh, Ali, Rosny, Julien de, Alexandropoulos, George C., Kamoun, Mohamed, Ourir, Abdelwaheb, Khayatzadeh, Ramin, Tourin, Arnaud, Fink, Mathias

“…Ultra-high data rates with low-power consumption wireless communications and low-complexity receivers is one of the key requirements for the next 6-th…”
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Indoor Time Reversal Wireless Communication: Experimental Results for Localization and Signal Coverage by Alexandropoulos, George C., Khayatzadeh, Ramin, Kamoun, Mohamed, Ganghua, Yang, Debbah, Merouane

“…Communication based on Time Reversal (TR) exploits rich multipath radio propagation for high resolution spatiotemporal focusing. It refers to the process of…”
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Indoor Experimental Evaluation of Ultra-wideband MU-MISO TRDMA by Mokh, Ali, Khayatzadeh, Ramin, de Rosny, Julien, Kamoun, Mohamed, Ourir, Abdelwaheb, Mathias Fink, Arnaud Tourin

“…MISO Time-Reversal (TR) communication marks a paradigm shift for ultrawideband (UWB) communications because the processing is mainly carried out by the…”
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Optical Heterodyning for Reduction of Chromatic Dispersion Sensitivity in 60 GHz Mode-Locked Laser Systems by Rzaigui, H., Poette, J., Cabon, B., Brendel, F., Khayatzadeh, R.

“…In this paper, a method is proposed to reduce the sensitivity to chromatic dispersion over a fiber optic link based on mode-locked lasers for Millimeter Waves…”
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Reliability Testing of 3D-Printed Electromechanical Scanning Devices by Mert Gönültaş, B., Savaş, Janset, Khayatzadeh, Ramin, Aygün, Sacid, Çivitci, Fehmi, Dağhan Gökdel, Y., Berke Yelten, M., Ferhanoğlu, Onur

“…Recent advances in the field of stereolithography based manufacturing, have led to a number of 3D-printed sensor and actuator devices, as a cost-effective and…”
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A Novel Multiple Membership Function Generator for Fuzzy Logic Systems by Khayatzadeh, Ramin, Yelten, Mustafa Berke

“…This paper presents a new multiple membership function generator which is capable of forming Gaussian, trapezoidal, triangular, S-shaped, and Z-shaped…”
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Time Reversal for 6G Spatiotemporal Focusing: Recent Experiments, Opportunities, and Challenges by Alexandropoulos, George C, Mokh, Ali, Khayatzadeh, Ramin, de Rosny, Julien, Kamoun, Mohamed, Ourir, Abdelwaheb, Tourin, Arnaud, Fink, Mathias, Debbah, Mérouane

“…Late visions and trends for the future sixth Generation (6G) of wireless communications advocate, among other technologies, towards the deployment of network…”
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Experimental Validation of Time Reversal Multiple Access for UWB Wireless Communications Centered at the $273$ GHz Frequency by Mokh, Ali, de Rosny, Julien, Alexandropoulos, George C, Kamoun, Mohamed, Ourir, Abdelwaheb, Khayatzadeh, Ramin, Tourin, Arnaud, Fink, Mathias

“…Ultra-high data rates with low-power consumption wireless communications and low-complexity receivers is one of the key requirements for the next 6-th…”
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