V. Roncin

Université Paris 13 Nord | Paris 13 Nord · Galilee Institute

We have detected a calibration error in the experiments presented in Opt. Lett. 47 , 5465 ( 2022 ) 10.1364/OL.472887 .

We describe a fiber ring cavity for transferring frequency stability from a metrological optical reference at 1542 nm to tunable lasers covering 100 nm around 1.55 µm and show a stability transfer to the 10⁻¹⁵ level in relative value. The optical length of the ring is controlled by two actuators: a cylindrical piezoelectric tube (PZT) actuator on w...

In this paper, we present an experimental study of the metrological stabilization of a solid-state frequency comb for embedded metrology applications. The comb is a passively mode-locked laser diode based on InGaAs/InP Quantum-dash structure emitting optical lines into a 9 nm bandwidth centered at $1.55~\mu \text{m}$ with a repetition rate of 10....

We present an experimental investigation of the stability limits specific to optical frequency standards using a fiber-optic architecture and semiconductor lasers. A compact setup composed of a semiconductor laser frequency-locked onto an acetylene transition detected in saturated absorption has been implemented using only fiber-optic components. F...

Using the Jones formalism, it is shown that electro-optic modulators used for phase modulation generate a modulation of the output polarization induced by the difference of phase modulation depth along the crystallographic axes of the modulator. We study two consequences of this polarization modulation in the fiber setups, limiting the performance...

In this paper, we present an experimental study of the metrological stabilization of a solid-state frequency comb for embedded metrology applications. The comb is a passively mode-locked laser diode based on InGaAs/InP Quantum-dash structure emitting optical lines into a 9 nm bandwidth centered at 1.55 $\mu$m with a repetition rate of 10.09 GHz. Th...

Using the Jones formalism, it is shown that electro-optic modulators used for phase modulation generate a modulation of the output polarization induced by the difference of phase modulation depth along the crystallographic axes of the modulator. We study two consequences of this polarization modulation in the fiber setups, limiting the performance...

We present an experimental investigation of the stability limits specific to optical frequency standards using fiber optic architecture and semiconductor lasers. A compact setup composed of a semiconductor laser frequency-locked onto an acetylene transition detected in saturated absorption has been implemented using only fiber optic components. Fib...

A compact setup for transferring the stability of a metrological frequency reference at 1.55 μm is described. One mode of a fiber-ring cavity is frequency-locked onto the reference. The stability transfer is achieved by locking an extended-cavity diode laser, tunable over 100 nm onto one cavity mode. Once locked, this tunable laser exhibits a relat...

Nous présentons une analyse des limitations introduites par l'utilisation d'un modulateur électro-optique fibré dans un dispositif de transfert de stabilité en fréquence basé sur une cavité fibrée à 1.55µm. L'ellipticité et/ou le désalignement avec les axes principaux du modulateur de la polarisation d'entrée résultent en une modulation de la polar...

A compact device for an optical frequency stability transfer based on a cavity referenced to a molecular transition at 1.5 μm is described. The setup is essentially fibered and uses commercial components: a tunable confocal cavity, extended cavity laser diodes, a distributed feedback laser (DFB) laser, and a H 13 C 14 N cell. The phenomena that lim...

We implement and characterize an optical narrowband amplifier based on stimulated Brillouin scattering with pump-to-signal relative frequency fluctuations overcome thanks to an active pump tracking. We achieve a precise characterization of this amplifier in terms of gain and noise degradation (noise figure). The performances of this stable selectiv...

Ultrahigh-speed optical transmission technology, such as optical time domain multiplexing or optical signal processing is a key point for increasing the communication capacity. The system performances are strongly related to pulse properties. We present an original method dedicated to short pulse-shape characterization with high repetition rate usi...

We propose in this communication an experimental study of the relaxation oscillations behavior in mode-locked lasers. The semiconductor self-pulsating laser diode is composed by two gain sections, without saturable absorber. It is made of bulk structure and designed for optical telecommunication applications. This specific device allows two differe...

This paper presents a theoretical and experimental investigation of optical signal regeneration properties of a non-linear optical loop mirror using a semiconductor optical amplifier as the active element (SOA-NOLM). While this device has been extensively studied for optical time division demultiplexing (OTDM) and wavelength conversion applications...

In this paper we present an accurate analysis of the shape of an isolated rovibrational ammonia line from the strong nu2 band around 10 $\mu$m, recorded by laser absorption spectroscopy. Experimental spectra obtained under controlled temperature and pressure, are confronted to various models that take into account Dicke narrowing or speed-dependent...

We transfer the frequency of an ultra-stable laser over a 470-km optical link comprising 400 km of public telecommunication fiber network, simultaneously carrying data traffic. A dense wavelength division multiplexing scheme is used. The ultrastable signal is inserted in and extracted from the communication network using bidirectional optical add-d...

In this paper, we present a complete study of the pattern sequence length influence in the optical clock recovery (OCR) process using passive filtering. For this analysis, we use a commercial Fabry-Perot filter (FPF) in front of a semiconductor optical amplifier. A 40-GHz optical clock is then recovered from an optical data stream at 40 Gbit/s. The...

We demonstrate a cascaded optical link for ultrastable frequency dissemination comprised of two compensated links of 150 km and a repeater station. Each link includes 114 km of Internet fiber simultaneously carrying data traffic through a dense wavelength division multiplexing technology, and passes through two routing centers of the telecommunicat...

We transfer the frequency of an ultra-stable laser over a cascaded optical link comprising two compensated links of 150 km and a repeater station. Each link passes through two important nodes of the telecommunication network and includes 114 km of Internet fiber simultaneously carrying data traffic, through a dense wavelength division multiplexing...

Dans cet article, nous présentons l'étude numérique des propriétés régénératives d'un convertisseur de longueur d'onde interférométrique à base d'amplificateurs optiques à semiconducteurs, en configuration différentielle. Nous avons démontré qu'en optimisant le filtrage optique, nous pouvons améliorer la qualité du signal en sortie du convertisseur...

RÉSUMÉ La mesure du bruit d'intensité dans les lasers à semi-conducteurs permet de remonter à des paramètres caractéristiques tels que la fréquence de relaxation ou le taux d'amortissement. Cette mesure montre ici de fortes différences entre des lasers à boîtes quantiques et à bâtonnets quantiques. Alors que le laser à bâtonnets quantiques se rappr...

Nous proposons de caractériser différentes récupérations d'horloge tout-optiques, à base de lasers auto-pulsants à semiconducteurs, par la mesure de taux d'erreur binaire à 42,66 Gbit/s. Nous utilisons pour cela une technique de remodulation de l'horloge optique qui permet, via la mesure de taux d'erreur binaire, de comparer leurs performances et d...

Dans cet article, nous présentons une technique pour améliorer la qualité d'une récupération d'horloge tout-optique, au débit de 42,66 Gbit/s, à base d'un laser auto-pulsant. Elle consiste à employer un simple filtre otique passe-bande de type Fabry-Perot réalisé à partir de réseaux de Bragg.

Nous présentons ici une méthode de caractérisation de modulateurs électro-optiques en polymères par l'intermédiaire d'un Mach-Zehnder fibré. Les résultats obtenus par modulation de phase, dans une fibre optique soumise à des contraintes piézoélectriques, témoignent de la faisabilité de la méthode et montrent qu'une caractérisation avec une résoluti...

In this letter, we demonstrate the bit-error-rate (BER) performance enhancement of an all-optical clock recovery device at 42.66 Gb/s using a prefiltering operation in front of a self-pulsating semiconductor laser. The prefilter is composed of a simple passive fiber-Bragg-grating-based Fabry-Perot bandpass filter. The assessment is obtained thanks...

We propose a Bit-Error Rate assessment, and polarisation sensitivity characterization of an all-optical clock-recovery at 42.66 Gbit/s in a system environment.

Session B « Photonics & Lasers and Applications »

As channels rates in optical networks are expected to exceed 100 Gb/s in the near future, new optical techniques for clock recovery will have to be developed for optical regeneration. This paper describes an optical clock recovery method based on a mode-locked laser diode. Experimental results show that a 42 GHz high quality optical clock can be re...

oral session II « Charaterization and Physics of lasers and photonics QD devices »

The comparison of relative intensity noise (Rin) shows improved performances, for quantum dash laser (QD) compared to the ones of bulk medium structures. We introduced a statistical measurement through a coupling parameter that reveals the impact of strong damping on the competition between modes or the so-called partition noise. The existence of a...

Principles of 2R and 3R optical regeneration for long haul transmission systems are presented, and recirculation loop assessment experiments of this technique are reviewed and discussed.

An investigation into the effects of varying levels of chromatic dispersion on a mode- locked laser diode optical clock recovery process is presented. Results demonstrate that this technique is invariant to input dispersion varying between +75 ps/nm.

Bit-error-rate assessment of a multi-rate all-optical clock recovery (OCR) based on a narrow linewidth mode-locked quantum-dot (QD) Fabry-Perot laser is presented in this letter. OCR has been achieved without external feedback. We use a QD Fabry-Perot semiconductor laser designed for 40-GHz clock extraction. We then present OCR performance with 40-...

In this paper, we present the performance of an all-optical clock recovery device based on a passive Fabry-Perot band-pass filter made-up of Bragg Gratings and followed by an SOA for patterning effect reduction.

We report on the cascadability assessment of 3R regeneration based on optical synchronous modulation using cross saturation absorption in a quantum-well microcavity driven optically by the recovered clock from a self-pulsating laser device.

In this paper we propose BER measurements allowing to demonstrate the ultra-low sensitivity of an all-optical clock recovery on a quantum-dash Fabry-Perot Laser to chromatic dispersion and optical noise on the injected data signal.

session B [B2], http://eslw2007.hhi.de/index.htm

http://lwqd2007.insa-rennes.fr/

Nous présentons dans cette communication les performances d'un dispositif de récupération d'horloge tout-optique basé sur un filtre de Fabry-Pérot à réseaux de Bragg entièrement passif.

session orale 6 « Systèmes et réseaux de télécommunications » [JE6]

session orale 3 « Amplification optique » [ME5]

We report on a passive all-optical clock recovery technique based on data signal filtering with a Fabry-Perot filter, tested in a 40 Gb/s transmission system. We have simulated the clock recovery principle to choose the filter finesse and then investigate with experiment the method for 43 Gbit/s RZ signal clock recovery ahead of a receiver. We use...

Main conference: « Optical Fiber Communication Conference / National Fiber Optic Engineers Conference 2007 (OFC/NFOEC 2007) »

We review a number of methods to assess the efficiency of a regenerator. Back-to-back characterization gives some information of the possible regenerative properties of the device but do not constitute the proof the device will be efficient when cascaded in a transmission network.

We propose an original study of optical clock recovery characterisation for 3R regeneration. Jitter reduction and corresponding BER measurement are presented at 43 Gb/s using a simple and reliable all optical clock recovery

This paper presents a simple and effective 80 Gb/s wavelength conversion scheme by using Cross Gain Modulation in a Semiconductor Optical Amplifiers (SOA) in conjunction with filtering the blue shifted component of the probe spectrum to give a non-inverted output signal.

We report for the first time on the assessment of a simple clock recovery scheme based on optical filtering. BER measurements show only 1 dB penalty as compared to a fully optoelectronic block.

In this work, we theoretically consider a new 3R all-optical regenerator at 10 Gbit/s which has been experimentally presented [1]. Its sketch is pictured in figure 1. It consists on two semiconductor optical amplifiers (SOA) based wavelength converters. The first one is a non-linear optical loop mirror (SOA-NOLM) and the second one is a SOA based d...

We report for the first time on the assessment of a simple clock recovery scheme based on optical filtering. BER measurements show only 1 dB penalty as compared to a fully optoelectronic block. (2 pages)

session orale 2 « Composants et fonctions pour le traitement du signal optique » [Je2.1]

session 4 « Systèmes de transmission haut débit » [Ve4.3]

The linear degradation of the bit error rate as a function of the number of regenerators is experimentally observed, with an optoelectronic or with an original all-optical 3R repeater. We demonstrate that Q factor measurements are not suitable for a correct assessment of optical links incorporating 2R or 3R regenerators. Full Text at Springer, may...

RÉSUMÉ Dans cet article, nous présentons une architecture originale de régénérateur 3R optique à base d'un miroir à boucle optique non-linéaire et d'amplificateurs optiques à semi-conducteurs. Ce régénérateur, présentant une faible pénalité et une insensibilité à la polarisation, a permis de réaliser une transmission de 100000 km (1000 cascades) sa...

session « affiches II » [B24], http://www.comelec.enst.fr/jnog2004/papers/B24_Bramerie.pdf

session We2.5 " Optical regeneration " [We2.5.2]

n°2004REN10087 (236 pages)

Nous présentons dans ce rapport de thèse plusieurs études relatives à l'amélioration des signaux optiques d'information numérique dans les systèmes de télécommunications à très haut débit. L'amélioration du taux d'extinction des sources impulsionnelles permet une meilleure stabilité des signaux multiplexés temporellement (OTDM), en réduisant l'inte...

Basic principles of all-optical signal regeneration are presented, and main state-of-art techniques are reviewed. Optical fiber and semiconductor based devices are addressed, and some recently reported 2R and 3R signal regeneration experiments are discussed.

session orale 1 " Fonctionalités "tout optique" "

session orale 4 " Systèmes de télécommunication " [O04RON03]

4th Quarter Poster Session [We4.P.128]

session affiches " Source laser et amplificateur "

session orale " Optique non linéaire (1) "

organisé par le Groupement De Recherche "Matériaux et Fonctions de l'Optique Non Linéaire" (GDR 1852)

Ytterbium doped double clad fibers (YDCF) are largely used in the telecom field as high power single mode pump lasers. We present a simple model that permits to describe a double clad pumping scheme. The YDCF is modeled by a sequence of N doped sections. Each section is described by an equation and leads to a set of N coupled equations. It permits...

Lien optique fibré, métrologie, transfert ultrastable de fréquences Optical link, metrology, ultrastable frequency transfer Résumé Le développement de liens optiques entre laboratoires distants est un des principaux défis de la métrologie du temps-fréquence : il s'agit de transmettre entre deux laboratoires une référence ultra-stable de fréquences...