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Related papers: Stabilizing Multimode Hopping Oscillations and Red…

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We introduce modeling and simulation of the noise properties associated with types of modal oscillations induced by scaling the asymmetric gain suppression (AGS) in multimode semiconductor lasers. The study is based on numerical integration…

Optics · Physics 2021-05-12 Ahmed Bakry , Ahmed Alshahrie , Alaa Mahmoud , Hamed Dalir , Moustafa Ahmed

This paper reports on a detailed performance characterization of a recently developed optical single-sideband (OSSB) laser system based on an IQ modulator and second-harmonic generation for rubidium atom interferometry experiments. The…

Atomic Physics · Physics 2020-04-27 Clemens Rammeloo , Lingxiao Zhu , Yu-Hung Lien , Kai Bongs , Michael Holynski

We analyze theoretically and experimentally the influence of current noise on the longitudinal mode hopping dynamics of a bulk semiconductor laser. It is shown that the mean residence times on each mode have different sensitivity to…

Optics · Physics 2009-11-11 F. Pedaci , S. Lepri , S. Balle , G. Giacomelli , M. Giudici , J. R. Tredicce

The agile generation and control of multiple optical frequency modes combined with the realtime processing of multi-mode data provides access to experimentation in domains such as optomechanical systems, optical information processing, and…

Optics · Physics 2024-12-04 X. Lin , M. T. Hartman , S. Zhang , S. Seidelin , B. Fang , Y. Le Coq

We demonstrate an all-optical single beam pulsed atomic magnetometer assisted by laser mode-hopping in a distributed Bragg reflector (DBR) laser. We implement a temporal sequence of the laser current, with sinusoidal current modulation…

Atomic Physics · Physics 2025-01-14 Ji Hoon Yoon , Sang Hyuk Hong , Taek Jeong , Sin Hyuk Yim , Kyu Min Shim , Sangkyung Lee

A frequency doubled I/Q modulator based optical single-sideband (OSSB) laser system is demonstrated for atomic physics research, specifically for atom interferometry where the presence of additional sidebands causes parasitic transitions.…

We have demonstrated broadband frequency-noise suppression in a laser stabilization system by augmenting a conventional proportional-integral-derivative (PID) controller with a digital disturbance observer (DOB) implemented on a…

The noise dynamics of an Optical Frequency Comb (OFC) based on a mode-locked Ti-Sapphire laser is analyzed in terms of noise modes. A spectrally resolved multipixel homodyne detection enables the simultaneous measurement of the amplitude…

Instrumentation and Detectors · Physics 2021-08-04 Matthieu Ansquer , Valérian Thiel , Syamsundar De , Bérengère Argence , Gregory Gredat , Fabien Bretenaker , Nicolas Treps

We demonstrate thermal-noise-limited direct locking of a semiconductor distributed feedback (DFB) laser to a sub-1 mL volume, ultrastable optical cavity, enabling extremely compact and simple ultrastable laser systems. Using the…

To increase the spectral efficiency of coherent communication systems, lasers with ever-narrower linewidths are required as they enable higher-order modulation formats with lower bit-error rates. In particular, semiconductor lasers are a…

Optics · Physics 2022-02-15 Mónica Far Brusatori , Nicolas Volet

The repetition rate stabilization of an optical frequency comb based on diode-pumped solid-state laser technology is demonstrated using an intra-cavity electro-optic modulator. The large feedback bandwidth of such modulators allows…

Instrumentation and Detectors · Physics 2017-01-27 Nicolas Torcheboeuf , Gilles Buchs , Stefan Kundermann , Erwin Portuondo-Campa , Jonathan Bennès , Steve Lecomte

We systematically study the influence of amplitude modulation on the steady-state bosonic squeezing and entanglement in a dissipative three-mode optomechanical system, where a vibrational mode of the membrane is coupled to the left and…

Quantum Physics · Physics 2018-05-15 Chang-Geng Liao , Hong Xie , Xiao Shang , Zhi-Hua Chen , Xiu-Min Lin

Despite recent progress in nonlinear optics in wavelength-scale resonators, there are still open questions on the possibility of parametric oscillation in such resonators. We present a general approach to predict the behavior and estimate…

Optics · Physics 2021-02-22 Saman Jahani , Arkadev Roy , Alireza Marandi

Mirrorless optical parametric oscillator (MOPO) is a consequence of intrinsic feedback provided by the nonlinearity in a medium due to the interaction of a pair of strong counter-propagating fields. As the name suggests, the device doesn't…

Optics · Physics 2019-01-02 Sushree S Sahoo , Snigdha S Pati , Ashok K mohapatra

We investigate the possibility to suppress noise-induced intensity pulsations (relaxation oscillations) in semiconductor lasers by means of a time-delayed feedback control scheme. This idea is first studied in a generic normal form model,…

Chaotic Dynamics · Physics 2009-11-13 Valentin Flunkert , Eckehard Schoell

We reduce the intensity noise of laser light by using an electro-optic modulator and a cousto-optic modulator in series. The electro-optic modulator reduces noise at high frequency(10 kHz to 1 MHz), while the acousto-optic modulator sets…

Atomic Physics · Physics 2020-10-28 Yu Wang , Kenneth Wang , Eliot F. Fenton , Yen-Wei Lin , Kang-Kuen Ni , Jonathan D. Hood

Nonlinear magneto-optical (NMO) resonances occurring for near-zero magnetic field are studied in Rb vapor using light-noise spectroscopy. With a balanced detection polarimeter, we observe high contrast variations of the noise power (at…

Atomic Physics · Physics 2009-11-10 M. Martinelli , P. Valente , H. Failache , D. Felinto , L. S. Cruz , P. Nussenzveig , A. Lezama

Optical frequency combs (OFC) provide a convenient reference for the frequency stabilization of continuous-wave lasers. We demonstrate a frequency control method relying on tracking over a wide range and stabilizing the beat note between…

Instrumentation and Detectors · Physics 2017-03-07 Alexander Prehn , Rosa Glöckner , Gerhard Rempe , Martin Zeppenfeld

Optomechanical systems combine extreme sensitivity and bandwidth in the control of mechanical motion, of interest for various applications. Integrated on a chip, actuated and detected all-optically by a single laser, they could disrupt…

We demonstrate a combination of optical and electronic feedback that significantly narrows the linewidth of distributed Bragg reflector lasers (DBRs). We use optical feedback from a long external fiber path to reduce the high-frequency…

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