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This letter presents the experimental demonstration of a film bulk acoustic resonator (FBAR) circulator at 2.5 GHz. The circulator is based on spatio-temporal modulation of the series resonant frequency of FBARs using varactors and exhibits…

Signal Processing · Electrical Eng. & Systems 2018-04-18 Mert M. Torunbalci , Trevor J. Odelberg , Suresh Sridaran , Richard C. Ruby , Sunil A. Bhave

A single-seed, module-based compact laser system is demonstrated on a transportable $^{87}\text{Rb}$-based high-precision atomic gravimeter. All the required laser frequencies for the atom interferometry are provided by free-space…

Atomic Physics · Physics 2022-10-24 Fong En Oon , Rainer Dumke

We stabilize an ultraviolet diode laser system at 369.5 nm to the optical absorption signal from Yb+ ions in a hollow-cathode discharge lamp. The error signal for stabilization is obtained by Zeeman spectroscopy of the 3 GHz-wide absorption…

Optics · Physics 2008-08-19 E. W. Streed , T. J. Weinhold , D. Kielpinski

We show how the recurrence phenomenon characteristic of the nonlinear stage of induced modulational instability in a passive fiber is affected by forcing. An additional linear amplification, even if extremely weak, induces separatrix…

Modern experiments in quantum metrology, sensing, and quantum computing require precise control of the state of atoms and molecules, achieved through the use of highly stable lasers and microwave generators with low phase noise. One of the…

We present a current-modulation technique for diode-laser systems that is specifically designed for high-bandwidth laser-frequency stabilization and wideband frequency modulation with a flat transfer function. It consists of a dedicated…

Optics · Physics 2022-12-06 Tilman Preuschoff , Patrick Baus , Malte Schlosser , Gerhard Birkl

We show that passively mode-locked lasers subject to feedback from a single external cavity can exhibit large timing fluctuations on short time scales despite having a relatively small long-term timing jitter, meaning that the commonly used…

Optics · Physics 2025-06-04 Lina Jaurigue , Kathy Lüdge

The phenomenon of the displacement of the position of the pressure, intensity and acoustic radiation force maxima along the axis of focused acoustic beams under increasing driving amplitudes (nonlinear focal shift) is studied for the case…

Classical Physics · Physics 2017-09-05 Noé Jiménez , Francisco Camarena , Nuria González-Salido

The performance of fiber laser systems has drastically increased over recent decades, which has opened up new industrial and scientific applications for this technology. However, currently a number of physical effects prevents further power…

We study locking of the modulation frequency of a relative periodic orbit in a general $S^1$-equivariant system of ordinary differential equations under an external forcing of modulated wave type. Our main result describes the shape of the…

Dynamical Systems · Mathematics 2013-06-17 Lutz Recke , Anatoly Samoilenko , Viktor Tkachenko , Serhiy Yanchuk

A chip-integrated acousto-optic phase modulator tailored for visible optical wavelengths has been developed. Utilizing the lithium niobate on sapphire platform, the modulator employs a 7 GHz surface acoustic wave, excited by an interdigital…

We report long-term laser frequency stabilization using only the target laser and a pair of 5 m fiber interferometers, one as a frequency reference and the second as a sensitive thermometer to stabilize the frequency reference. When used to…

Instrumentation and Detectors · Physics 2015-09-10 Jia Kong , Vito Giovanni Lucivero , Ricardo Jimenez-Martinez , Morgan W. Mitchell

We describe a two-beam interference structured illumination fluorescence microscope. The novelty of the presented system lies in its simplicity. A programmable electro-optical spatial light modulator in an intermediate image plane enables…

An extended cavity diode laser operating in the Littrow configuration emitting near 657 nm is stabilized via its injection current to a reference cavity with a finesse of more than 10^5 and a corresponding resonance linewidth of 14 kHz. The…

Optics · Physics 2009-11-07 Adrien Schoof , Jan Gruenert , Stephan Ritter , Andreas Hemmerich

Modulational instability in a photorefractive medium is studied in the presence of two wave mixing. We then propose and derive a model for forward four wave mixing in the photorefractive medium and investigate the modulational instability…

Pattern Formation and Solitons · Physics 2009-11-13 C. P. Jisha , V. C. Kuriakose , K. Porsezian , B. Kalithasan

We report an investigation of laser frequency stabilization using a whispering gallery mode resonator that is temperature stabilized by a dual-mode technique. This dual-mode technique has yielded mode volume temperature instabilities at the…

Optics · Physics 2013-01-01 Lukas M. Baumgartel , Robert J. Thompson , Nan Yu

Frequency stabilization of laser light is crucial in both scientific and industrial applications. Technological developments now allow analog laser stabilization systems to be replaced with digital electronics such as field-programmable…

Due to the necessity of making a series of random adjustments after mode-locking in most experiments for preparing soliton molecules, the repeatability of the preparations remains a challenge. Here, we introduce a novel…

In this paper we propose a dark-state-based trapping strategy to break the optical diffraction limit for microscopy. We utilize a spatially dependent coupling field and a probe laser field with temporal and spatial modulation to interact…

Quantum Physics · Physics 2022-09-30 Yuan Liu , Dongxiao Li

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