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This paper describes a method for the explicit reconstruction and visualization of various polarization ellipses from the intensities measured after a rotating polarizer. The state of polarization of a light beam is represented by the…

Optics · Physics 2022-11-29 Ramonika Sengupta , Brijesh Tripathi , Asha Adhiya

We present the first report of the synchronization regimes in both unidirectionally and bidirectionally-coupled multiple time delay chaotic laser diodes subject to incoherent optical feedbacks and incoherent optical injection. We derive the…

Chaotic Dynamics · Physics 2009-04-29 E. M. Shahverdiev , K. A. Shore

The polarizations of optical fields, besides field intensities, provide more degrees of freedom to manipulate coherent light-matter interactions. Here we propose how to achieve a coherent switch of optomechanical entanglement in a…

Quantum Physics · Physics 2021-10-26 Ying Li , Ya-Feng Jiao , Jing-Xue Liu , Adam Miranowicz , Yun-Lan Zuo , Le-Man Kuang , Hui Jing

We report the direct observation of periodic intensity modulation of a laser pulse propagating in a hollow core waveguide. A series of equally spaced plasma sparks along the gas-filled capillary is produced. This effect can be explained by…

Optics · Physics 2009-11-13 T. Pfeifer , M. C. Downer

The measurement of vacuum polarisation effects, in particular vacuum birefringence, using combined optical and x-ray laser pulses is now actively pursued. Here we briefly examine the feasibility of two alternative setups. The first utilises…

High Energy Physics - Phenomenology · Physics 2016-03-09 Anton Ilderton , Mattias Marklund

The realization of a cavity soliton laser using a vertical-cavity surface-emitting semiconductor gain structure coupled to an external cavity with a frequency-selective element is reported. All-optical control of bistable solitonic emission…

Optics · Physics 2009-11-13 Y. Tanguy , T. Ackemann , W. J. Firth , R. Jaeger

Effect of biased noise fluctuations on the degree of squeezing as well as the intensity of a radiation generated by a one-photon coherent beat laser is presented. It turns out that the radiation exhibits squeezing inside and outside the…

Quantum Physics · Physics 2009-07-16 Sintayehu Tesfa

A standard method to reduce the linewidth of semiconductor lasers involves the use of external optical feedback (EOF). However, feedback powers less than 1 % usually trigger coherence collapse (CC), leading to chaotic laser dynamics and…

The use of cavity to manipulate photon emission of quantum dots (QDs) has been opening unprecedented opportunities for realizing quantum functional nanophotonic devices and also quantum information devices. In particular, in the field of…

Mesoscale and Nanoscale Physics · Physics 2012-04-17 Guangcun Shan , Xinghai Zhao , Mingjun Hu , Chan-Hung Shek , Wei Huang

We present the effects of resonator birefringence on the cavity-enhanced interfacing of quantum states of light and matter, including the first observation of single photons with a time-dependent polarisation state that evolves within their…

Quantum Physics · Physics 2019-03-27 Thomas D. Barrett , Oliver Barter , Dustin Stuart , Ben Yuen , Axel Kuhn

Speckle is a wave interference phenomenon that has been studied in various fields, including optics, hydrodynamics and acoustics. Speckle patterns contain spectral information of the interfering waves, and of the scattering medium that…

We describe a technique for measuring the complex reflectivity of an optical cavity with a resonant local oscillator laser and an auxiliary probe laser, each coupled via opposite ends of the cavity. A heterodyne sensing scheme is then used…

Optics · Physics 2024-04-12 Aaron D. Spector , Todd Kozlowski

A two-mode single-atom laser is considered, with the aim of generating entanglement in macroscopic light. Two transitions in the four-level gain medium atom independently interact with the two cavity modes, while two other transitions are…

Quantum Physics · Physics 2009-11-13 M. Kiffner , M. S. Zubairy , J. Evers , C. H. Keitel

We study an optomechanical cavity, in which a buckled suspended beam serves as a mirror. The mechanical resonance frequency of the beam obtains a minimum value near the buckling temperature. Contrary to the common case, in which…

Optics · Physics 2012-07-05 D. Yuvaraj , M. B. Kadam , Oleg Shtempluck , Eyal Buks

The results of numerical modeling of oscillations in a system of two coupled oscillators operatingon the basis of a virtual cathode with controlled external feedback are presented. It is shown that thereexist the modes with generation of…

Plasma Physics · Physics 2007-05-23 Alexander Hramov

Underpinning the field of "valleytronics" is the coupling of the helicity of circularly polarized light to the valley degree of freedom, and this remains the only known lightform to exhibit this remarkable effect. Here we show that on…

Optics · Physics 2022-03-29 S. Sharma , P. Elliott , S. Shallcross

Recent experiments and theory demonstrate that the the ground state properties and chemical reactivity of molecules can be modified inside an optical cavity. The vibrational strong or ultrastrong coupling results in the formation of…

Chemical Physics · Physics 2022-12-01 Qi Yu

We analyze the generation of polarization cross-talk in Stokes polarimeters by atmospheric seeing, and its effects on the noise statistics of spectropolarimetric measurements for both single-beam and dual-beam instruments. We investigate…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 Roberto Casini , Alfred G. de Wijn , Philip G. Judge

Recent experiments have revealed the profound effect of strong light-matter interactions in optical cavities on the electronic ground state of molecular systems. This phenomenon, known as vibrational strong coupling (VSC), can modify…

Quantum Physics · Physics 2023-12-19 Thomas Schnappinger , Markus Kowalewski

We evaluate the exact dipole coupling strength between a single emitter and the radiation field within an optical cavity, taking into account the effects of multilayer dielectric mirrors. Our model allows one to freely vary the resonance…

Quantum Physics · Physics 2021-04-21 Astghik Saharyan , Juan-Rafael Álvarez , Thomas H. Doherty , Axel Kuhn , Stéphane Guerin
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