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Related papers: Direct phase modulation via optical injection: the…

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We report a new method of two-pathway coherent control using three narrow-band cw laser sources, phase locked in an optical phase-lock loop, to maintain the high degree of optical coherence required for the coherent control process. In…

Atomic Physics · Physics 2026-01-16 Jonah A. Quirk , Carol E. Tanner , D. S. Elliott

We explore optical manipulation of sculpted light based on phase dependent electromagnetically induced transparency through a five level atomic system. A transverse magnetic field (TMF) and a suitable spatially inhomogeneous control field…

Optics · Physics 2019-03-27 Sandeep Sharma , Tarak N. Dey

A phase-controlled ultralow-threshold phonon laser is proposed by using tunable optical amplifiers in coupled-cavity-optomechanical system. Giant enhancement of coherent photon-phonon interactions is achieved by engineering the strengths…

Quantum Physics · Physics 2018-09-10 Yan-Lei Zhang , Chang-Ling Zou , Chuan-Sheng Yang , Hui Jing , Chun-Hua Dong , Guang-Can Guo , Xu-Bo Zou

An optical lattice is a periodic light crystal constructed from the standing-wave interference patterns of laser beams. It can be used to store and manipulate quantum degenerate atoms and is an ideal platform for the quantum simulation of…

Optics · Physics 2026-02-04 Kendall Mehling , Murray Holland , Catie LeDesma

In this article, we study the non-linear coupling between the stationary (i.e. the beating modulation signal) and transient (i.e. the laser quantum noise) dynamics of a laser subjected to frequency shifted optical feedback. We show how the…

We propose a novel scheme for controlling the injection of a high-quality electron bunch into a channel-guided laser plasma accelerator. This all-optical technique, constricted waveguide injection, creates a highly tunable controlled…

Accelerator Physics · Physics 2024-10-22 R. J. Shalloo , A. Ferran Pousa , M. Mewes , S. Jalas , M. Kirchen , R. D'Arcy , J. Osterhoff , K. Põder , M. Thévenet

Improving the phase resolution of interferometry is crucial for high-precision measurements of various physical quantities. Systematic phase errors dominate the phase uncertainties in most realistic optical interferometers. Here we propose…

Quantum Physics · Physics 2018-04-03 Li Li , Yuan Li , You-Lang Zhang , Sixia Yu , Chao-Yang Lu , Nai-Le Liu , Jun Zhang , Jian-Wei Pan

This work characterizes a phenomenon in direct laser written directional couplers where the splitting ratio for output light is dependent on the input polarization state. In general, for laser written waveguides, different coupling…

Optics · Physics 2024-11-15 Zhi-Kai Pong , Bangshan Sun , Patrick S. Salter , Martin J. Booth

In this work, we present a novel technique to directly measure the phase shift of the optical signal scattered by single plasmonic nanoparticles in a diffraction-limited laser focus. We accomplish this by equipping an inverted confocal…

We theoretically study the laser cooling of cavity optomechanics when the mechanical resonance frequency and damping depend on time. In the regime of weak optomechanical coupling we extend the theory of laser cooling using an adiabatic…

Quantum Physics · Physics 2015-05-12 Marc Bienert , Pablo Barberis-Blostein

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

We propose and experimentally verify a method to program the effective transmission matrix of general multiport linear optical circuits in random multiple-scattering materials by phase modulation of incident wavefronts. We demonstrate the…

Single-mode semiconductor lasers subject to optical injection have been shown to trigger a wide range of dynamical behavior from injection locking to chaos. Multi-wavelength lasers add even more degrees of freedom and complexity to the…

Optics · Physics 2024-10-23 Shahab Abdollahi , Pablo Marin-Palomo , Martin Virte

The intent of the study detailed in this paper is to demonstrate the benefits of inverter var control on a fast timescale to mitigate rapid and large voltage fluctuations due to the high penetration of photovoltaic generation and the…

Emerging Technologies · Computer Science 2011-12-26 Masoud Farivar , Russell Neal , Christopher Clarke , Steven Low

In this work, control over the precise state emitted by quantum cascade laser frequency combs through strong radio-frequency current modulation close to their repetition frequency is demonstrated. In particular, broadening of the spectrum…

Free-space optical information transfer through diffusive media is critical in many applications, such as biomedical devices and optical communication, but remains challenging due to random, unknown perturbations in the optical path. In…

Optics · Physics 2023-08-29 Yuhang Li , Tianyi Gan , Bijie Bai , Cagatay Isil , Mona Jarrahi , Aydogan Ozcan

Quantum communications is the art of exchanging and manipulating information beyond the capabilities of the conventional technologies using the laws of quantum mechanics. With applications ranging from quantum computing to cryptographic…

Quantum Physics · Physics 2021-09-01 T. K. Paraïso , R. I. Woodward , D. G. Marangon , V. Lovic , Z. L. Yuan , A. J. Shields

We present a practical method for active phase control on a photonic chip that has immediate applications in quantum photonics. Our approach uses strain-optic modification of the refractive index of individual waveguides, effected by a…

The controlled modulation of an optical wavefront is required for aberration correction, digital phase conjugation or patterned photostimulation. For most of these applications it is desirable to control the wavefront modulation at the…

Instrumentation and Detectors · Physics 2018-01-09 Maximilian Hoffmann , Ioannis N. Papadopoulos , Benjamin Judkewitz

We show that the modulation of the phases of the laser beams of ultra-short pulses leads to modulation of the two photon fluorescence intensity. The phase modulation technique when used in multi-photon microscopy can improve the signal to…

Optics · Physics 2015-03-12 Khadga Jung Karki , Mohammed Abdellah , Tonu Pullerits