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This paper introduces temporal Bragg gratings as a new class of broadband, reconfigurable parametric amplifiers. We present a comprehensive investigation of power amplification in temporal Bragg gratings, spatially periodic structures with…

Optics · Physics 2026-04-15 Sajjad Taravati

We demonstrate a simple method to obtain accurate optical waveforms with a GHz-level programmable modulation bandwidth and Watt-level output power for wideband optical control of free atoms and molecules. Arbitrary amplitude and phase…

The high-order harmonic generation (HHG), if phase matched, opens a unique way to produce coherent ultrafast extreme-UV (XUV) or soft x-ray light sources. Here we describe a robust and tunable method for scaling and narrowing the bandwidth…

Optics · Physics 2017-10-03 L. Mashhadi , G. Shayeganrad

Cavity optomechanics offers a versatile platform for both fundamental physics and ultrasensitive sensing. Importantly, resonant enhancement in both optical and mechanical responses enables the highly sensitive optical detection of small…

The generation of optical beams with multiple, mutually-coherent orbital-angular-momentum (OAM) modes using phase gratings is analyzed from the perspective of energy distribution and radial mode composition. We show that phase gratings…

Optics · Physics 2018-02-26 Jaime Cisternas , Jaime A. Anguita , Gustavo Funes

Aluminum nitride is an appealing nonlinear optical material for on-chip wavelength conversion. Here we report optical frequency comb generation from high quality factor aluminum nitride micro-ring resonators integrated on silicon…

Optics · Physics 2013-07-26 Hojoong Jung , Chi Xiong , King Y. Fong , Xufeng Zhang , Hong X. Tang

State-of-the-art fiber Bragg grating interrogators utilize mature concepts and technologies like tunable lasers, optical spectrum analyzers and a combination of time, wavelength, or spatial division demultiplexing approaches. Here, we…

Instrumentation and Detectors · Physics 2021-06-18 Srikanth Sugavanam , Adenowo Gbadebo , Morteza Kamalian-Kopae , Angshul Majumdar

We present a simple, robust, narrow-linewidth, frequency-doubled semiconductor laser source suitable for laser cooling and repumping of $^9$Be$^+$ ions. A distributed Bragg reflector (DBR) laser diode operating at 626 nm is…

Instrumentation and Detectors · Physics 2018-11-14 Steven A. King , Tobias Leopold , Premjith Thekkeppatt , Piet O. Schmidt

Fiber Bragg Gratings have been advantageously used to improve the chaotic properties of semiconductor lasers. Though these components are known to be highly sensitive to environmental conditions, feedback phase fluctuations are often…

We discuss a phase-sensitive technique for remote interrogation of passive Bragg grating Fabry-Perot resonators. It is based on Pound-Drever-Hall laser frequency locking, using radio-frequency phase modulation sidebands to derive an error…

A method is proposed for producing atom gratings having period $\lambda /4$ and $\lambda /8$ using optical fields having wavelength $\lambda $. Counterpropagating optical fields drive Raman transitions between ground state sublevels. The…

Atomic Physics · Physics 2007-05-23 B. Dubetsky , P. R. Berman

Trapped ions are one of the most promising approaches for the realization of a universal quantum computer. Faster quantum logic gates could dramatically improve the performance of trapped-ion quantum computers, and require the development…

The ability to create phase-controlled pulses of light with wavelength tunability has applications spanning quantum and classical communications networks. Traditionally, optical transmitters are able to either produce phase-controlled…

Quantum Physics · Physics 2023-10-19 B. Griffiths , Y. S. Lo , J. F. Dynes , R. I. Woodward , A. J. Shields

Ultrafast optical frequency combs allow for both high spectral and temporal resolution in molecular spectroscopy and have become a powerful tool in many areas of chemistry and physics. Ultrafast lasers and frequency combs generated from…

Optics · Physics 2024-05-08 Jie Zhan , Nicholas D. Cooper , Melanie A. R. Reber

We calculate the advances in near-infrared astronomy made possible through the use of fibre Bragg gratings to selectively remove hydroxyl emission lines from the night sky spectrum. Fibre Bragg gratings should remove OH lines at high…

Astrophysics · Physics 2009-11-13 S. C. Ellis , J. Bland-Hawthorn

We demonstrate a quantum random number generator based on the random nature of the phase difference between two independent laser sources. The speed of random bit generation is determined by the photodetector bandwidth and the linewidth of…

Optical accordion lattices are routinely used in quantum simulation and quantum computation experiments to tune optical lattice spacings. Here, we present a technique for creating tunable optical lattices using binary-phase transmission…

Quantum Physics · Physics 2024-10-10 Hyok Sang Han , Ahreum Lee , Sarthak Subhankar , S. L. Rolston , Fredrik K. Fatemi

In recent years there has been considerable interest in using photonic thermometers such as Fiber Bragg grating (FBG) and silicon ring resonators as an alternative technology to resistance-based legacy thermometers. Although FBG…

Applied Physics · Physics 2023-03-29 Zeeshan Ahmed

The ability to create dynamic, tailored optical potentials has become important across fields ranging from biology to quantum science. We demonstrate a method for the creation of arbitrary optical tweezer potentials using the broadband…

Optics · Physics 2020-07-16 A. T. M. Anishur Rahman , P. F. Barker

We report on the observation of Bragg scattering at 1D atomic lattices. Cold atoms are confined by optical dipole forces at the antinodes of a standing wave generated by the two counter-propagating modes of a laser-driven high-finesse ring…

Quantum Physics · Physics 2009-11-10 S. Slama , C. von Cube , B. Deh , A. Ludewig , C. Zimmermann , Ph. W. Courteille
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