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We study theoretically two vibrating quantum emitters trapped near a one-dimensional waveguide and interacting with propagating photons. We demonstrate, that in the regime of strong optomechanical interaction the light-induced coupling of…

Quantum Physics · Physics 2022-01-05 Alexander Poshakinskiy , Ivan Iorsh , Alexander Poddubny

Optically-coupled semiconductor laser arrays are described by coupled rate equations. The coupled mode equations and carrier densities are included in the analysis, which inherently incorporate the carrier-induced nonlinearities including…

Optics · Physics 2018-05-02 Zihe Gao , Matthew T. Johnson , Kent D. Choquette

We demonstrate that the parity-time symmetry for sound is realized in the laser-pumped multiple-quantum-well structure. Breaking of the parity-time symmetry for the phonons with wave vectors corresponding to the Bragg condition makes the…

Mesoscale and Nanoscale Physics · Physics 2016-11-30 A. V. Poshakinskiy , A. N. Poddubny , A. Fainstein

In this report we study the Vernier effect in coupled laser systems consisting of two cavities. We show that depending on the nature of their coupling, not only can the "supermodes" formed at the overlapping resonances of the coupled…

Optics · Physics 2019-03-13 Li Ge , Hakan E. Tureci

We introduce a simplified version of the steady-state ab initio laser theory for calculating the effects of mode competition in continuous wave lasers using the passive cavity resonances. This new theory harnesses widely available numerical…

Although nanolasers typically have low Q-factors and high lasing thresholds, they have been successfully implemented with various gain media. Intuitively, it seems that an increase in the gain coefficient would improve the characteristics…

Mesoscale and Nanoscale Physics · Physics 2017-05-24 A. A. Zyablovsky , I. A. Nechepurenko , E. S. Andrianov , A. V. Dorofeenko , A. A. Pukhov , A. P. Vinogradov , A. A. Lisyansky

We describe the process of parametric amplification in a directional coupler of quadratically nonlinear and lossy waveguides, which belong to a class of optical systems with spatial parity-time (PT) symmetry in the linear regime. We…

To effectively apply passive speckle reduction methods, it is essential to use an illumination system that maximally exploits the non-ideal temporal coherence and angular diversity (spatial coherence reduction) of laser light. This study…

Optics · Physics 2025-04-28 A. Lapchuk , O. Prygun , D. Manko , I. Gorbov , Y. Morozov

We provide a description of the parity space reflection-time reversal (PT) operator acting on the two-dimensional polarization space of light represented by the linear algebra of Jones vectors and matrices. We establish the form of a…

Optics · Physics 2023-12-22 Jean-François Bisson

Laser brightness is a measure of the ability to de- liver intense light to a target, and encapsulates both the energy content and the beam quality. High brightness lasers requires that both parameters be maximised, yet standard laser…

Optics · Physics 2017-09-06 Darryl Naidoo , Igor A. Litvin , Andrew Forbes

The recent reports of the replica symmetry breaking (RSB) phenomenon in photonic experiments [1-5] boosted the understanding of the role of disorder in multimode lasers, as well as helped to settle enlightening connections [6-13] with the…

In fiber based Fabry-P\'{e}rot Cavities (FFPCs), limited spatial mode matching between the cavity mode and input/output modes has been the main hindrance for many applications. We have demonstrated a versatile mode matching method for…

Quantum Physics · Physics 2019-07-18 Gurpreet Kaur Gulati , Hiroki Takahashi , Nina Podoliak , Peter Horak , Matthias Keller

We present a theoretical investigation of optical cavity QED systems, as described by the driven, open Jaynes-Cummings model and some of its variants, as potential sources of steady-state Wigner-negative light. We consider temporal modes in…

Quantum Physics · Physics 2024-05-07 Alex Elliott , Scott Parkins

Inspired by a recently observed asymmetry in the transmission of circularly polarized light through a metamaterial, we present a non-hermitian PT-symmetric quantum model to describe the interaction of the light fields in two resonant…

Quantum Physics · Physics 2015-05-05 Roberto Baginski B. Santos

The role of coherent population oscillations is evidenced in the noise spectrum of an ultra-low noise lasers. This effect is isolated in the intensity noise spectrum of an optimized single-frequency vertical external cavity surface emitting…

A high-performance S-band single-longitudinal-mode (SLM) erbium-doped fiber (EDF) ring cavity laser based on a depressed cladding EDF is investigated and experimentally demonstrated. We combine a double-ring passive resonator (DR-PR) and a…

Optics · Physics 2021-03-17 Zhengkang Wang , Jianming Shang , Siqiao Li , Kuanlin Mu , Yaojun Qiao , Song Yu

Laguerre-Gaussian (LG) beams are used in many research fields, such as microscopy, laser cavity modes and optical tweezing. We develop a holographic method of generating pure LG modes (amplitude and phase) with a binary amplitude-only…

Optics · Physics 2012-12-03 Vitaly Lerner , David Shwa , Yehonathan Drori , Nadav Katz

Even distribution of carriers allows to maximize optical gain of the Optically-Pumped Vertical External Cavity Surface Emitting Laser. In this paper we show how to distribute the quantum wells and blocking layers in order to compensate the…

Optics · Physics 2012-04-09 M. Wasiak

We show that a laser at threshold can be utilized to generate the class of coherent and transform-limited waveforms $\left(vt-z\right)^{m}e^{i\left(kz-\omega t\right)}$ at optical frequencies.We derive these properties analytically and…

Optics · Physics 2023-11-15 Asaf Farhi , Alexander Cerjan , A. Douglas Stone

A closed form PT symmetric quadrimer optical waveguide structure, reminiscent of the four-state quantum system found in quantum optics, is studied. The beam dynamics of the structure is studied numerically. The effect of inclusion of…

Optics · Physics 2017-10-25 Samit Kumar Gupta , Amarendra K. Sarma