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Journal of the Optical Society of America B

Journal of the Optical Society of America B

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July


Quasiprobability distributions and decoherence of Hermite-excited squeezed thermal states

  • Zhen Wang, Heng-mei Li, and Hong-chun Yuan
  • received 03/31/2014; accepted 07/28/2014; posted 07/28/2014; Doc. ID 209206
  • [full text: PDF (1043) KB)]
  • Abstract: We theoretically put forward the Hermite-excited squeezed thermal states (HESTS) by applying operator Hermite polynomials on squeezed thermal states. Starting from the normally ordered density operator of squeezed thermal states and operator Hermite polynomials, the normalization factor is obtained, which is related to the Legendre polynomials. Several phase-space distribution function, i.e., Q function, P function, Wigner function (WF), and R function are analytically derived. And the non-Gaussianity and nonclassicality are mainly reflected by the negativity of non-Gaussian WF and the existence of nonclassical depth. In addition, by deriving the normally ordered density operator and WF of HESTS in laser channel, the decoherence effect is studied and discussed. Finally, the quantity in measuring non-Gaussianity is calculated to further quantitatively measure the non-Gaussianity of the resulting states.

Keywords (OCIS):

  • (270.0270) Quantum optics : Quantum optics
  • (270.6570) Quantum optics : Squeezed states
  • (270.5565) Quantum optics : Quantum communications
  • (270.5585) Quantum optics : Quantum information and processing

(PNR2014) Statistics of twin-beam states by photon-number resolving detectors up to pump depletion

  • Alessia Allevi and Maria Bondani
  • received 05/07/2014; accepted 07/28/2014; posted 07/28/2014; Doc. ID 211709
  • [full text: PDF (873) KB)]
  • Abstract: We use hybrid photodetectors endowed with partial photon-number resolution to characterize the photonnumber distribution of twin-beam states produced at different intensity regimes up to pump depletion. To match detectors’ dynamics, the light of signal and idler is strongly attenuated by neutral-density filters. Since the filters do not modify the nature of any classical-light statistics, we find that signal and idler are described by a multi-mode thermal distribution at any pump power. The number of modes decreases at increasing pump power till pump depletion when the number starts increasing again. The effect is qualitatively interpreted as a selective mode amplification induced by the high-gain parametric process.

Keywords (OCIS):

  • (190.4410) Nonlinear optics : Nonlinear optics, parametric processes
  • (230.5160) Optical devices : Photodetectors
  • (270.0270) Quantum optics : Quantum optics
  • (270.5290) Quantum optics : Photon statistics

Observation of coherence oscillations of single ensemble excitations in methanol

  • Seth Meiselman, Offir Cohen, Matthew DeCamp, and Virginia Lorenz
  • received 05/22/2014; accepted 07/27/2014; posted 07/28/2014; Doc. ID 212579
  • [full text: PDF (1832) KB)]
  • Abstract: We demonstrate coherence measurements of single-photon-level collective excitations of vibrational states using transient coherent spontaneous Raman scattering in liquid methanol. We observe the decay of the 1033 cm􀀀1 mode and coherence oscillations due to simultaneous excitation of the 2834 cm􀀀1 and 2944 cm􀀀1 modes. The coherence lifetimes and oscillation frequencies agree with frequency-domain lineshape measurements and fem- tosecond coherent anti-Stokes Raman scattering measurements. The demonstrated technique is complementary to and in some cases simpler than traditional stimulated spectroscopy techniques in that it does not require more than one laser and is free of non-resonant background.

Keywords (OCIS):

  • (300.6240) Spectroscopy : Spectroscopy, coherent transient
  • (300.6330) Spectroscopy : Spectroscopy, inelastic scattering including Raman
  • (300.6450) Spectroscopy : Spectroscopy, Raman
  • (300.6530) Spectroscopy : Spectroscopy, ultrafast
  • (320.0320) Ultrafast optics : Ultrafast optics
  • (320.7150) Ultrafast optics : Ultrafast spectroscopy

On the transformations generated by the electromagnetic spin and orbital angular momentum operators.

  • Ivan Fernandez-Corbaton, Xavier Zambrana Puyalto, and Gabriel Molina-Terriza
  • received 06/03/2014; accepted 07/27/2014; posted 07/28/2014; Doc. ID 212600
  • [full text: PDF (512) KB)]
  • Abstract: We present a study of the properties of the transversal \spin angular momentum" and \orbital angular momen- tum" operators. We show that the \spin angular momentum" operators are generators of spatial translations which depend on helicity and frequency and that the \orbital angular momentum" operators generate trans- formations which are a sequence of this kind of translations and rotations. We give some examples of the use of these operators in light matter interaction problems. Their relationship with the helicity operator allows to involve the electromagnetic duality symmetry in the analysis. We also find that simultaneous eigenstates of the three \spin" operators and parity define a type of standing modes which has been recently singled out for the interaction of light with chiral molecules. With respect to the relationship between \spin angular momentum", polarization, and total angular momentum, we show that, except for the case of a single plane wave, the total angular momentum of the field is decoupled from its vectorial degrees of freedom even in the regime where the paraxial approximation holds. Finally, we point out a relationship between the three \spin" operators and the spatial part of the Pauli-Lubanski four vector.

Keywords (OCIS):

  • (260.2110) Physical optics : Electromagnetic optics
  • (270.0270) Quantum optics : Quantum optics
  • (260.6042) Physical optics : Singular optics

Wave Propagation of Induced Radiation in μ-Capillary Holes of Glass Micro-Channel Plate

  • M. Mazuritsky, S. Dabagov, A. Marcelli, A. Lerer, A. Novakovich, and K. Dziedzic-Kocurek
  • received 05/27/2014; accepted 07/26/2014; posted 07/28/2014; Doc. ID 212762
  • [full text: PDF (2754) KB)]
  • Abstract: Soft x-ray reflection and transmission spectra of radiation propagating inside micro-channel plates have been analyzed in the framework of the wave approximation. X-ray and fluorescence yield due to the grazing incidence reflection phenomenon have been investigated with respect to the geometry of the channel walls. We also discussed XANES spectra collected at the exit of micro-capillaries under the total x-ray reflection condition taking into account a surface transition layer at the sample surface. The fine structures and the angular distribution of the radiation transmitted have been interpreted in the energy range of the anomalous dispersion of Si L2,3-edges.

Keywords (OCIS):

  • (120.5820) Instrumentation, measurement, and metrology : Scattering measurements
  • (230.7380) Optical devices : Waveguides, channeled
  • (300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
  • (300.6560) Spectroscopy : Spectroscopy, x-ray

Complex light source composed from sub-terahertz-wave coherent synchrotron radiation and an infrared free-electron laser at LEBRA

  • Norihiro Sei, Hiroshi Ogawa, Ken Hayakawa, Toshinari Tanaka, Yasushi Hayakawa, Keisuke Nakao, Takeshi Sakai, Kyoko Nogami, and Manabu Inagaki
  • received 05/30/2014; accepted 07/24/2014; posted 07/28/2014; Doc. ID 212990
  • [full text: PDF (795) KB)]
  • Abstract: We have successfully transported sub-terahertz-wave (sub-THz-wave) coherent synchrotron radiation (CSR) from an accelerator room to an experimental room by using an existing infrared free-electron laser (FEL) beamline at the Laboratory for Electron Beam Research and Application at Nihon University. The power of the transported CSR was 50 nJ per macropulse, and it was available at frequencies of 0.10.3 THz. From two-dimensional imaging performed with the sub-THz-wave CSR, metallic structures concealed by plastic in a smart card were nondestructively detected at a spatial resolution of 1.4 mm. We also verified the existence of hydrated water in a crystal by using chemometric two-band spectroscopy with the sub-THz-wave CSR and infrared FEL. Pioneering applications, such as more reliable material identifications, can be anticipated from this complex light source composed from the sub-THz-wave CSR and infrared FEL beams.

Keywords (OCIS):

  • (110.7440) Imaging systems : X-ray imaging
  • (140.2600) Lasers and laser optics : Free-electron lasers (FELs)
  • (300.6340) Spectroscopy : Spectroscopy, infrared
  • (300.6495) Spectroscopy : Spectroscopy, teraherz
  • (110.6795) Imaging systems : Terahertz imaging

Optical non-reciprocity of single two-level atom in a cavity

  • Xiuwen Xia, Jingping Xu, and Yaping Yang
  • received 05/26/2014; accepted 07/24/2014; posted 07/28/2014; Doc. ID 212611
  • [full text: PDF (460) KB)]
  • Abstract: We analyze the transmission character of a single-mode cavity containing a resonant two-level atom. Such simple structure exhibits optical nonlinearity and spatial symmetry breaking, as well as time-reversal symmetry breaking. We perform a detailed analysis in the Purcell regime and find out that there is a giant optical non-reciprocity in proper parameter space. Therefore it is feasible to assemble such simple atom-cavity structure to realize an acceptable optical non-reciprocal device after carefully designing.

Keywords (OCIS):

  • (120.7000) Instrumentation, measurement, and metrology : Transmission
  • (190.0190) Nonlinear optics : Nonlinear optics
  • (230.1150) Optical devices : All-optical devices
  • (270.0270) Quantum optics : Quantum optics

Mixed-gap vector solitons in parity-time-symmetric mixed linear-nonlinear optical lattices

  • Xing Zhu, Pu Cao, Liyan Song, Yingji He, and Huagang Li
  • received 03/03/2014; accepted 07/23/2014; posted 07/25/2014; Doc. ID 207472
  • [full text: PDF (6124) KB)]
  • Abstract: We report on the existence and stability of mixed-gap vector solitons in parity-time (PT)-symmetric mixed linear-nonlinear optical lattices. The first component is single-peaked and the propagation constant is in the semi-infinite gap. The second component is out-of-phase dipole-mode, its propagation constant belongs to the first finite gap. The imaginary part and the depth of the PT-symmetric nonlinear optical lattice will significantly affect the existent and stable domains of these vector solitons. The propagation constant of the first component can also influence the existence and stability of the vector solitons. Finally, we also study the effect of the PT-symmetric linear optical lattice on the vector solitons stability.

Keywords (OCIS):

  • (190.0190) Nonlinear optics : Nonlinear optics
  • (190.6135) Nonlinear optics : Spatial solitons

Cavity enhanced laser cooling for Yb3+-doped fluoride crystal using a low-power diode laser

  • Biao Zhong, Youhua Jia, Lin Chen, Yingchao Deng, Yangqin Chen, and Jianping Yin
  • received 12/19/2013; accepted 07/19/2014; posted 07/21/2014; Doc. ID 203382
  • [full text: PDF (833) KB)]
  • Abstract: A diode laser with a power of 178 mW is used to pump a 2.2%(wt) Yb3+-doped YLF4 crystal in an optical extra-cavity, and a resonant cavity enhanced laser cooling for Yb3+-doepd fluoride crystal is proposed and demonstrated. A pump laser enhancement factor of 8.6 is obtained with the resonant cavity. A cooling efficiency of 0.79% and a temperature drop of 12.3K/W are acquired with 82% of the incident laser power being absorbed by the sample. The combination of a low-cost, long life, light mass, small volume and low electricity power consumption diode laser and a simple resonant cavity for laser cooling of solids will have some important applications in optical refrigeration of space sensors and detectors, etc.

Keywords (OCIS):

  • (120.6810) Instrumentation, measurement, and metrology : Thermal effects
  • (140.4780) Lasers and laser optics : Optical resonators
  • (160.5690) Materials : Rare-earth-doped materials
  • (260.2510) Physical optics : Fluorescence
  • (300.2530) Spectroscopy : Fluorescence, laser-induced
  • (020.3320) Atomic and molecular physics : Laser cooling

(PNR2014) Photon counts statistics of squeezed and multi-mode thermal states of light on multiplexed on-off detectors

  • Radoslaw Chrapkiewicz
  • received 05/01/2014; accepted 07/17/2014; posted 07/21/2014; Doc. ID 211234
  • [full text: PDF (1864) KB)]
  • Abstract: Photon number resolving detectors can be extremely useful for studying the statistics of multiphoton quantum states of light. In this work we study the counts statistics of different states of light on multiplexed on-off detectors. We put a special emphasis on artificial non-classical features of measured statistics. We show new ways to derive analytical counts statistics and their moments. We are the first to derive statistics moments for multimode thermal states and we use them to determine empirical Mandel parameters and recently proposed subbinomial parameters suitable for tests of nonclassicality of the measured states. Additionally, we investigate subpoissonian properties of a joint counts statistics of the two mode squeezed state measured on a pair of multiplexed detectors.

Keywords (OCIS):

  • (030.5290) Coherence and statistical optics : Photon statistics
  • (040.5570) Detectors : Quantum detectors
  • (270.6570) Quantum optics : Squeezed states

Analysis of electromagnetically induced transparencybased quantum dot infrared photodetectors

  • Chandra Mohan Singh Negi and Jitendra Kumar
  • received 05/14/2014; accepted 07/14/2014; posted 07/21/2014; Doc. ID 212139
  • [full text: PDF (525) KB)]
  • Abstract: A quantum dot infrared photodetector based on intraband optical transitions among the various states within the valence band by considering the principle of electromagnetic induced transparency (EIT) is proposed and theoretically investigated. Absorption spectra of the probe beam and its dependence on the control beam and infrared (IR) signal, under the conditions of EIT have been studied. Incident IR signal itself does not generate any photocurrent. However, profound modification of the absorption characteristics of the probe beam by incident IR signal intensity leads to the photo current generation in the proposed photodetector. Thermal characterization of photodetector has been carried out through the evaluation of temperature dependence of quantum efficiency of the device.

Keywords (OCIS):

  • (040.3060) Detectors : Infrared
  • (230.5160) Optical devices : Photodetectors
  • (270.0270) Quantum optics : Quantum optics
  • (250.5590) Optoelectronics : Quantum-well, -wire and -dot devices

Nonreciprocal guided modes in photonic crystals of magnetic garnet particles with a planar defect

  • Aristi Christofi and Nikolaos Stefanou
  • received 05/30/2014; accepted 07/14/2014; posted 07/22/2014; Doc. ID 213171
  • [full text: PDF (1083) KB)]
  • Abstract: It is shown that a planar defect in the stacking sequence of an all-dielectric photonic crystal of garnet spheres supports strongly localized optical guided modes, which originate from Mie resonances of the individual spheres. If the defect breaks space-inversion symmetry and the garnet particles are magnetized in-plane, nonreciprocal and lossless transport of light on the defect plane, expected on the basis of group theory in the Voigt-Cotton-Mouton configuration, is demonstrated in ultrathin films of the defect crystal by means of full electrodynamic calculations using the layer-multiple-scattering method properly extended to photonic crystals of gyrotropic spheres.

Keywords (OCIS):

  • (160.3820) Materials : Magneto-optical materials
  • (290.4210) Scattering : Multiple scattering
  • (310.2790) Thin films : Guided waves
  • (160.5293) Materials : Photonic bandgap materials

SLAB PHOTONIC CRYSTALS WITH DIMER CYLINDER BASES

  • Erin Riley and Chekesha Liddell Watson
  • received 05/14/2014; accepted 07/13/2014; posted 07/14/2014; Doc. ID 211361
  • [full text: PDF (27831) KB)]
  • Abstract: The photonic band gap properties of centered rectangular dimer cylinder structures are reported. The theoretical model is inspired by a crystalline phase found for colloidal self-assembly of asymmetric dimers. The band structures as a function of degree of lobe fusion and degree of lobe symmetry are calculated in accordance with the tunable features resulting from seeded emulsion polymerization synthesis. The parameters are varied incrementally from single circular cross-section cylinders to lobe-tangent dimer cylinders. Odd, even and polarization independent gaps in the guided modes are found for direct and inverted slab structures. A wide range of shape parameter combinations in structures having low to moderate Brillouin zone distortion from hexagonal supported relative gap widths up to 19.1% (3-4 odd gap) and 14.6% (1-2 even gap) for direct structures. Slab thickness was tuned to overlap even and odd mode gap frequency ranges generating a 9.9% polarization independent gap. The results are compared with those from model centered rectangular slabs having dimer particle bases that limit the slab height. Inverted slab structures yielded a large maximum 40.4% 1-2 even mode gap and for up to 25% Brillouin zone distortion still supported significant gaps (> 32%).

Keywords (OCIS):

  • (160.4760) Materials : Optical properties
  • (160.5298) Materials : Photonic crystals

Efficient heralding of polarization-entangled photons from type-0 and type-II spontaneous parametric down-conversion in periodically poled KTiOPO₄

  • Fabian Steinlechner, Marta Gilaberte, Marc Jofre, Thomas Scheidl, Juan Torres, Valerio Pruneri, and Rupert Ursin
  • received 05/08/2014; accepted 07/11/2014; posted 07/11/2014; Doc. ID 209002
  • [full text: PDF (632) KB)]
  • Abstract: Ultra-bright sources of entangled photon pairs with high heralding efficiency are an important step in the pursuit of high bit-rate entanglement-base quantum key distribution, as well as an enabling tool for loss-sensitive quantum optics experiments. Here, we present a robust single-mode fiber coupled source of polarization-entangled photons around 810nm with both high brightness and heralding efficiency. Our approach is based on quasi-phase-matched spontaneous parametric down-conversion (SPDC) from periodically poled KTiOPO₄ in a Sagnac loop configuration. We demonstrate a high degree of two-photon polarization-entanglement for single-frequency-pumped type-0 and type-II SPDC, and conduct a conclusive comparison in terms of efficiency and spectral characteristics. In light of applications outside a laboratory environment, we evaluate the feasibility of pumping the nonlinear crystals with free-running laser diodes.

Keywords (OCIS):

  • (270.0270) Quantum optics : Quantum optics
  • (190.4975) Nonlinear optics : Parametric processes
  • (270.5565) Quantum optics : Quantum communications

Complete polarized-photons Bell states and Greenberger-Horne-Zeilinger states analysis assisted by atoms

  • Yan Xia, Yi-Hao Kang, and Pei-Min Lu
  • received 05/14/2014; accepted 07/11/2014; posted 07/11/2014; Doc. ID 212084
  • [full text: PDF (286) KB)]
  • Abstract: We propose an alternative protocol for complete polarized photons Bell states and Greenberger-Horne-Zeilinger states analysis assisted by atoms. In our protocol, the assistant atoms are trapped in cavities quantum electrodynamics (QED) which are feasible with current experimental technology. Comparing with previous protocols, we do not need cross-Kerr nonlinearity or hyperentanglement which is usually difficult to obtain. Moreover, the polarized photons entangled states will not be destroyed in our protocol. This might lead to a useful step toward the construction of more efficient quantum circuits and quantum algorithms.

Keywords (OCIS):

  • (270.0270) Quantum optics : Quantum optics
  • (270.5570) Quantum optics : Quantum detectors
  • (270.5565) Quantum optics : Quantum communications
  • (270.5585) Quantum optics : Quantum information and processing

Phase knob for switching steady-state behaviors from bistability to multi-stability via spontaneously generated coherence

  • Zhonghu Zhu, Ai-Xi Chen, Wen-Xing Yang, and Ray-Kuang Lee
  • received 05/14/2014; accepted 07/08/2014; posted 07/09/2014; Doc. ID 212078
  • [full text: PDF (497) KB)]
  • Abstract: We investigate theoretically the optical steady-state behavior in $N$ four-level Y-type atoms driven coherently by a probe laser and a single elliptically polarized field (EPF) by means of a unidirectional ring cavity. It is found that the optical bistability can be observed for a wide regime of frequency detuning of the probe field, intensity of the EPF and the atomic cooperation parameter. Interestingly enough, in principle the optical steady-state behavior can be switched from optical bistability to multistability or vice versa by adjusting the phase difference between two components of polarized electric field of the EPF if the perfect spontaneously generated coherence of atoms is included. Our results illustrate the potential to utilize EPF for all-optical switching in atomic system through the phase control, as well as a guidance in the design for possible experimental implementations.

Keywords (OCIS):

  • (190.0190) Nonlinear optics : Nonlinear optics
  • (190.1450) Nonlinear optics : Bistability
  • (270.0270) Quantum optics : Quantum optics
  • (270.1670) Quantum optics : Coherent optical effects

Light-trapping in guided modes of thin-film-silicon-on-silver waveguides by scattering from a nanostrip

  • Thomas Sondergaard, Yao-Chung Tsao, Peter Kristensen, Thomas Pedersen, and Kjeld Pedersen
  • received 05/22/2014; accepted 07/08/2014; posted 07/09/2014; Doc. ID 212606
  • [full text: PDF (848) KB)]
  • Abstract: Light-trapping in a waveguide configuration consisting of a thin planar film of hydrogenated amorphous silicon (aSi:H) on a planar silver back-reflector is studied theoretically and experimentally. Light-trapping is achieved by scattering of light from a silver or silicon nanostrip placed directly on the silicon-film surface. For thin films it is appropriate to think of light-trapping in terms of coupling into the guided modes of the air-aSi:H-silver waveguide configuration, which is the focus of this paper. Using the Green’s function surface integral equation method we calculate cross sections governing extinction, out-of-plane scattering, and scattering into guided modes. It is found for geometries with aSi:H-film thicknesses in the range of 50-500 nm that distinct peaks in extinction and scattering cross section spectra are located at wavelengths determined by the cut-off wavelengths of guided modes, and the wavelengths of those peaks are insensitive to the precise geometry of the scatterer. Measurements of extinction and scattering from an array of silver strips spaced by a large distance of 10 μm on the surface of a geometry with a 290 nm aSi:H-film are found to be in good agreement with theoretical predictions.

Keywords (OCIS):

  • (130.2790) Integrated optics : Guided waves
  • (240.6680) Optics at surfaces : Surface plasmons
  • (290.5820) Scattering : Scattering measurements
  • (050.1755) Diffraction and gratings : Computational electromagnetic methods
  • (290.5825) Scattering : Scattering theory
  • (050.6624) Diffraction and gratings : Subwavelength structures

Stochastic noise amplification in noninstantaneous Kerr media

  • G. da Silva, T. Lobo, and A. Canabarro
  • received 04/04/2014; accepted 07/03/2014; posted 07/07/2014; Doc. ID 209622
  • [full text: PDF (1314) KB)]
  • Abstract: Considering noninstantaneous Kerr nonlinearity, the propagation of a partially coherent optical beam are theoretically investigated by using extensions of the nonlinear Schr\"odinger equation (NLSE). In order to account for the partial coherence of the beam, a phase-diffusion model is used for the laser beam. To introduce the finite response time of the medium, a time dependent nonlinear response is incorporated in the system of NLSE using the Debye relaxation model. We analytically deduce the dispersion relation and numerically compute the gain spectra along with relevant second-order statistical quantities. A detailed study of how these statistical properties are influenced by the GVD regime as well as by the delayed nonlinear response of the material is presented. The distinct features for slow and fast delayed nonlinear response are also emphasized.

Keywords (OCIS):

  • (030.1640) Coherence and statistical optics : Coherence
  • (030.6600) Coherence and statistical optics : Statistical optics
  • (190.3100) Nonlinear optics : Instabilities and chaos
  • (190.5530) Nonlinear optics : Pulse propagation and temporal solitons
  • (190.5650) Nonlinear optics : Raman effect

Doppler broadened NICE-OHMS – Optimum modulation and demodulation conditions, cavity length, and modulation order

  • Isak Silander, Ove Axner, and Patrick Ehlers
  • received 05/01/2014; accepted 07/03/2014; posted 07/07/2014; Doc. ID 211230
  • [full text: PDF (637) KB)]
  • Abstract: Doppler broadened noise-immune cavity-enhanced optical heterodyne molecular spectrometry (Db-NICE-OHMS) has been scrutinized with respect to modulation and demodulation conditions (encompassing the modulation frequency, νm, the modulation index, β, and the detection phase, θ), the cavity length, L, and the modulation order, k, (defined as νm / νFSR where νFSR is the free-spectral range of the cavity) primarily in the Doppler limit but also for a specific situation in the Voigt regime (for equal Doppler and homogeneous width), both in the absence and presence of optical saturation. It is found that, for a system with a given cavity length, the optimum conditions (i.e. those that produce the largest NICE-OHMS signal) for an unsaturated transition in the Doppler limit comprise νm/ΓD = 1.6 (where ΓD is the HWHM of the Doppler width of the transition), β = 1.3, and θ = 0.78π. It is also found that the maximum is rather broad, the signal takes 95% of its maximum value for modulation frequencies in the entire 0.4 ≤ νm / ΓD ≤ 2.4 range. When optical saturation sets in, θ shifts towards the dispersion phase. The optimum conditions encompass k>1 whenever L > 0.35 LD and 2.6 LD for the dispersion and absorption modes of detection, respectively [where LD is a characteristic length given by c/(2 ΓD)]. Similar conditions are found for the case with a Voigt profile.

Keywords (OCIS):

  • (120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
  • (140.4780) Lasers and laser optics : Optical resonators
  • (300.6310) Spectroscopy : Spectroscopy, heterodyne
  • (300.6380) Spectroscopy : Spectroscopy, modulation
  • (300.6390) Spectroscopy : Spectroscopy, molecular
  • (140.3518) Lasers and laser optics : Lasers, frequency modulated

(PNR2014) Absolute spectral calibration of an intensified CCD camera using twin beams

  • Ondrej Haderka, Jan Perina, Vaclav Michalek, and Martin Hamar
  • received 04/23/2014; accepted 07/01/2014; posted 07/03/2014; Doc. ID 210718
  • [full text: PDF (568) KB)]
  • Abstract: Twin beams composed of photon pairs are used for absolute determination of quantum detection efficiency of an intensified CCD camera. A method of fitting the experimental photocount statistics with the paired superposition of signal and noise combined with additional determination of losses in the beams before the detector is used to reveal the detection efficiencies. The experiment has been performed in several spectral regions defined by the used interference filters. Also, the used twin beams have been reconstructed.

Keywords (OCIS):

  • (230.5160) Optical devices : Photodetectors
  • (270.0270) Quantum optics : Quantum optics
  • (270.5290) Quantum optics : Photon statistics
  • (190.4975) Nonlinear optics : Parametric processes

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