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Related papers: Theory of Absorption Induced Transparency

200 papers

Using time as an additional design parameter in electromagnetism, photonics, and wave physics is attracting considerable research interest, motivated by the possibility to explore physical phenomena and engineering opportunities beyond the…

Optics · Physics 2024-11-12 Matteo Ciabattoni , Zeki Hayran , Francesco Monticone

Utilizing the effect of losses, we show that symmetric 3-port devices exhibit coherent perfect absorption of waves and we provide the corresponding conditions on the reflection and transmission coefficients. Infinite combinations of…

Classical Physics · Physics 2018-04-23 O. Richoux , V. Achilleos , G. Theocharis , I. Brouzos

The light transmission through square and rectangular holes in a metal film has been studied. By taking account of plasma response of real metal on hole walls as well as metal surface, an analytical result for the transmission has been…

Optics · Physics 2007-06-20 Cheng-ping Huang , Qian-jin Wang , Yong-yuan Zhu

We theoretically demonstrate that increase of absorption with constant gain in laser systems can lead to onset of laser generation. This counter-intuitive absorption induced lasing (AIL) is explained by emergence of additional lasing modes…

Optics · Physics 2023-07-19 I. A. Nechepurenko , D. G. Baranov , A. V. Dorofeenko

We investigate the mechanism of extraordinary optical transmission in subwave-length metal hole arrays. Experimental results for the arrays consisting of square or rectangle holes are well explained about the dependence of transmission…

Optics · Physics 2011-09-08 Qian Zhao , Chao Li , Yun-Song Zhou , Huai-Yu Wang

Molecular cavity optomechanics (COM), characterized by remarkably efficient optomechanical coupling enabled by a highly localized light field and ultra-small effective mode volume, holds significant promise for advancing applications in…

Optics · Physics 2025-02-11 Bin Yin , Jie Wang , Mei-Yu Peng , Qian Zhang , Deng Wang , Tian-Xiang Lu , Ke Wei , Hui Jing

Optical waveguides, covered with thin films, which transmittance can be controlled by external action, are widely used in various applications from optical modulators to saturable absorbers. It is natural to suggest that the waveguide…

Harnessing information and energy from light within a nanoscale mode volume is a fundamental challenge for nanophotonic applications ranging from solar photovoltaics to single photon detectors. Here, we show the existence of a universal…

Optics · Physics 2016-08-18 Yu Guo , Sarang Pendharker , Zubin Jacob

While controlling particle diffusion in a confined geometry is a popular approach taken by both natural and artificial systems, it has not been widely adopted for controlling light transport in random media, where wave interference effects…

Optics · Physics 2016-01-06 Raktim Sarma , Alexey Yamilov , Seng Fatt Liew , Mikhael Guy , Hui Cao

We analyze the rate of two-photon absorption in tapered optical fibers with diameters less than the wavelength of the incident light. The rate of two-photon absorption is shown to be enhanced due to the small mode volume of the tapered…

Quantum Physics · Physics 2009-11-13 Hao You , S. M. Hendrickson , J. D. Franson

Absorption is usually expected to be detrimental to quantum coherence effects. However, the situation for complex absorption spectra has been little studied yet. We consider the resonance fluorescence of excitons in a semiconductor quantum…

Quantum Physics · Physics 2016-03-24 P. Grünwald , W. Vogel

We propose a method that uses inaudible ultrasonic waves to address the issue of uplink transmission in visible light communication. Our scheme, which applies frequency-shift keying modulation and receive beamforming by a microphone array,…

Signal Processing · Electrical Eng. & Systems 2024-01-12 Ming Che

We analytically describe light transmission through a single subwavelength slit in a thin perfect electric conductor screen for the incident polarization being perpendicular to the slit, and derive simple, yet accurate, expressions for the…

Novel optical elements containing semitransparent wavelike films embedded into the bulk of transparent material, which form a reflection image without transmitted light distortion, are studied. The dynamic theory of light diffraction by a…

Optics · Physics 2018-05-23 Anatoly M. Smolovich , Valery Chernov

Optical absorbers find uses in a wide array of applications across the electromagnetic spectrum, including photovoltaic and photochemical cells, photodetectors, optical filters, stealth technology, and thermal light sources. Recent efforts…

Optics · Physics 2017-02-01 Mikhail A. Kats , Federico Capasso

In conventional plasmonic media and plasmonic metamaterials, such as metallic wire mesh, longitudinal mode of electromagnetic wave manifests itself in frequency overlapping transverse modes, which impedes clear observation of…

Optics · Physics 2023-07-13 Weijie Dong , Xiaoxi Zhou , Xinyang Pan , Haitao Li , Gang Wang , Yadong Xu , Bo Hou

Recent measurements of photon tunneling through individual subwavelength pinholes in a gold film covered with a layer of polydiacetylene (Phys. Rev. Letters 88, 187402 (2002)) provided strong indication of "photon blockade" effect similar…

Strongly Correlated Electrons · Physics 2009-11-07 I. I. Smolyaninov , A. V. Zayats , C. C. Davis

We study optomechanically induced transparency in a microresonator coupled with nanoparticles. By tuning the relative angle of the nanoparticles, exceptional points (EPs) emerge periodically in this system and thus strongly modify both the…

Quantum Physics · Physics 2018-07-19 Hao Lü , Changqing Wang , Lan Yang , Hui Jing

We report the observation of large ($\sim 40%$) laser-induced above-bandgap transparency in GaAs at room temperature. The induced transparency is present only during the pulse width of the driving midinfrard laser pulses and its spectral…

Materials Science · Physics 2009-11-10 A. Srivastava , R. Srivastava , J. Wang , J. Kono

Electromagnetic waves propagating in a layered superconductor with arbitrary momentum with respect to the main crystallographic directions display an unavoidable mixing between longitudinal and transverse degrees of freedom. Here we show…

Superconductivity · Physics 2024-06-14 Niccolò Sellati , Jacopo Fiore , Claudio Castellani , Lara Benfatto