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Related papers: Noise in Brillouin Based Information Storage

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We demonstrate experimentally a procedure to obtain the maximum efficiency for the storage and retrieval of light pulses in atomic media. The procedure uses time reversal to obtain optimal input signal pulse-shapes. Experimental results in…

A polarization switching pulse interleaver is shown to be effective in reducing timing noise due to polarization mode dispersion in time and frequency transfer based on mode-locked lasers and standard single-mode fibres. In closed-loop time…

The stability of the integrated photonic circuits is of critical importance for many applications that require high frequency precision or robust operation over time, such as optomechanical sensing, frequency conversion, optical…

Optics · Physics 2024-09-20 Xinyi Ren , Chun-Ho Lee , Kaiwen Xue , Shaoyuan Ou , Yue Yu , Zaijun Chen , Mengjie Yu

Silicon photonics, with its CMOS compatibility and high integration density, has enabled a wide range of novel applications. Harnessing stimulated Brillouin scattering (SBS), an optomechanic interaction between optical and GHz acoustic…

The terahertz (THz) frequency range, spanning 0.1 to 10 THz, is a field ripe for innovation with vast, developing potential in areas like wireless communication and molecular spectroscopy. Our work introduces a dual-wavelength laser design…

The laser flash method is highly regarded due to its applicability to a wide temperature range, from cryogenic temperatures to the melting point of refractory metals, and to extreme environments involving radioactive or hazardous materials.…

Applied Physics · Physics 2020-06-05 Artem Lunev , Robert Heymer

Brillouin-Mandelstam scattering is a strong and readily accessible optical nonlinearity enabling a wide array of applications and research directions. For instance, the three-wave mixing process has been employed to great success for…

We propose a scheme which encodes information in both the longitudinal and spatial transverse phases of a continuous-wave optical beam. A split detector-based interferometric scheme is then introduced to optimally detect both encoded phase…

This research investigates the structural, topological, electrical and optical properties of pulsed laser deposited polycrystalline BiFeO3 thin films on silicon and glass substrate at varying deposition temperatures ranging from 400 degC to…

Materials Science · Physics 2025-03-04 Viswajit R S , Jinesh K. B , Ashok K

Long-lived optical quantum memories are of great importance for scalable distribution of entanglement over remote networks (e.g. quantum repeaters). Long-lived storage generally relies on storing the optical states as spin excitations since…

Quantum Physics · Physics 2017-08-15 Emmanuel Zambrini Cruzeiro , Florian Fröwis , Nuala Timoney , Mikael Afzelius

As a fundamental physical quantity of thermal phonons, temporal coherence participates in a broad range of thermal and phononic processes, while a clear methodology for the measurement of phonon coherence is still lacking. In this Lettter,…

Applied Physics · Physics 2023-05-03 Zhongwei Zhang , Yangyu Guo , Marc Bescond , Masahiro Nomura , Sebastian Volz , Jie Chen

We investigate the potential of atomic Bose-Einstein condensates as dynamic memory devices for coherent optical information processing. Specifically, the number of ultraslow pulses that can be simultaneously present within the storage time…

Other Condensed Matter · Physics 2009-09-29 Devrim Tarhan , Alphan Sennaroglu , Ozgur E. Mustecaplioglu

We grow accustomed to the notion that optical susceptibilities can be treated as a local property of a medium. In the context of nonlinear optics, both Kerr and Raman processes are considered local, meaning that optical fields at one…

Applied Physics · Physics 2020-06-24 Shai Gertler , Prashanta Kharel , Eric A. Kittlaus , Nils T. Otterstrom , Peter T. Rakich

Acoustic waves can serve as memory for optical information, however, acoustic phonons in the GHz regime decay on the nanosecond timescale. Usually this is dominated by intrinsic acoustic loss due to inelastic scattering of the acoustic…

While radiation-pressure cooling is well known, the Brillouin scattering of light from sound is considered an acousto-optical amplification-only process. It was suggested that cooling could be possible in multi-resonance Brillouin systems…

Optics · Physics 2013-04-22 Gaurav Bahl , Matthew Tomes , Florian Marquardt , Tal Carmon

Highly coherent lasers are central to modern photonics. To date, high-coherence operation has been achieved predominantly in microcavity and fiber-based platforms. More recently, free-space Brillouin-laser experiments have revealed…

Optics · Physics 2026-03-31 Jiabao Peng , Longjie Zhang , Zhenxu Bai , Stephan Fritzsche , Zhiwei Lu

We report the first direct observation of Brillouin-like propagation modes in a dissipative periodic optical lattice. This has been done by observing, in both theoretical and experimental work, a resonant behaviour of the spatial diffusion…

Atomic Physics · Physics 2009-11-07 L. Sanchez-Palencia , F. -R. Carminati , M. Schiavoni , F. Renzoni , G. Grynberg

We investigate the Relative Intensity Noise (RIN) properties of a multi-Stokes Brillouin fiber ring laser. We experimentally analyse intensity noise of each Stokes waves and study the noise dynamics of the cascaded Brillouin scattering…

Instrumentation and Detectors · Physics 2018-12-26 Ananthu Sebastian , Irina V. Balikereva , Schadrac Fresnel , Stéphane Trebaol , Pascal Besnard

The century-old study of photon-phonon coupling has seen a remarkable revival in the past decade. Driven by early observations of dynamical back-action, the field progressed to ground-state cooling and the counting of individual phonons. A…

Stimulated Brillouin interaction between sound and light, known to be the strongest optical nonlinearity common to all amorphous and crystalline dielectrics, has been widely studied in fibers and bulk materials but rarely in optical…

Optics · Physics 2011-09-13 Gaurav Bahl , John Zehnpfennig , Matthew Tomes , Tal Carmon