Design, near-field characterization, and modeling of 45° surface
... considered: Gratings of gold protuberances 共that we will denote ridges or lines in the following兲 and gratings of indentations 共named slits or grooves兲. The response of the mirrors has been characterized in the near-field by means of photon scanning tunneling microscopy 共PSTM兲,23 a near-field micros ...
... considered: Gratings of gold protuberances 共that we will denote ridges or lines in the following兲 and gratings of indentations 共named slits or grooves兲. The response of the mirrors has been characterized in the near-field by means of photon scanning tunneling microscopy 共PSTM兲,23 a near-field micros ...
Three-Dimensional Simulation of Vertical-Cavity Surface
... with alternating refractive indices, and are called distributed Bragg-reflectors (DBRs). They result in the desired reflectivity in a wide wavelength range called the stop-band. The actual value can be easily estimated by multiplying the reflectivity coefficients of single interfaces for lossless layers, ...
... with alternating refractive indices, and are called distributed Bragg-reflectors (DBRs). They result in the desired reflectivity in a wide wavelength range called the stop-band. The actual value can be easily estimated by multiplying the reflectivity coefficients of single interfaces for lossless layers, ...
External Cavity Mode-locked Semiconductor Lasers For
... frequency of the individual comb-lines over time periods longer than 12 minutes are shown to be significantly reduced to <100 kHz in a measurement that is limited by the linewidth of the reference source. The use of these comb sources as local oscillators in multi-heterodyne detection of arbitrary o ...
... frequency of the individual comb-lines over time periods longer than 12 minutes are shown to be significantly reduced to <100 kHz in a measurement that is limited by the linewidth of the reference source. The use of these comb sources as local oscillators in multi-heterodyne detection of arbitrary o ...
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... Electrical and Computer Engineering, Birck Nanotechnology Center, Purdue University, West Lafayette, United States The dynamic properties of aluminum-doped zinc oxide are investigated using a pump-probe technique where an ultrafast change in the transmission is observed. Using this effect, a tunable ...
... Electrical and Computer Engineering, Birck Nanotechnology Center, Purdue University, West Lafayette, United States The dynamic properties of aluminum-doped zinc oxide are investigated using a pump-probe technique where an ultrafast change in the transmission is observed. Using this effect, a tunable ...
Adaptive Speckle Imaging Interferometry, a new technique for a
... simulations of the photon propagation in a random scattering medium, where L/l* is tuned to reproduce the experimental measurements. ...
... simulations of the photon propagation in a random scattering medium, where L/l* is tuned to reproduce the experimental measurements. ...
All-optical signal processing based on self
... light in order to prevent or mitigate some of these impairments. The most common and commercially available way is to implement an opto-electronic polarization tracking solution [26-30]. These devices generally consist in linear polarization transformations followed by partial diagnostic associated ...
... light in order to prevent or mitigate some of these impairments. The most common and commercially available way is to implement an opto-electronic polarization tracking solution [26-30]. These devices generally consist in linear polarization transformations followed by partial diagnostic associated ...
An experimental approach for investigating many
... load 3 × 108 atoms in the 3D-MOT while the three beam ODT is already switched on. The optimized parameters are: 125 mW total cooling power distributed over six 20 mm diameter MOT beams, a red detuning from the cooling transition of 19 MHz, and a magnetic field gradient of 10.5 G/cm. The 2D-MOT is th ...
... load 3 × 108 atoms in the 3D-MOT while the three beam ODT is already switched on. The optimized parameters are: 125 mW total cooling power distributed over six 20 mm diameter MOT beams, a red detuning from the cooling transition of 19 MHz, and a magnetic field gradient of 10.5 G/cm. The 2D-MOT is th ...
Transverse and longitudinal angular momenta of light
... In contrast to the previous example, there is a more intriguing transverse spin AM, which was first described in 2012 by Bliokh and Nori [46]. This transverse spin appears locally in structured optical fields, such as evanescent waves, focused beams, and two-wave interference [46,48,50–59]. The tran ...
... In contrast to the previous example, there is a more intriguing transverse spin AM, which was first described in 2012 by Bliokh and Nori [46]. This transverse spin appears locally in structured optical fields, such as evanescent waves, focused beams, and two-wave interference [46,48,50–59]. The tran ...
Holograms for shaping radio
... of the amplitude modulation a(x, y) and the phase modulation ψ(x, y) (the absolute value and the phase of the transmittance) as well as the local grating period and the angle of incidence θin are determined at every point of the hologram. The optimal combination (w, h) is chosen to yield the desired ...
... of the amplitude modulation a(x, y) and the phase modulation ψ(x, y) (the absolute value and the phase of the transmittance) as well as the local grating period and the angle of incidence θin are determined at every point of the hologram. The optimal combination (w, h) is chosen to yield the desired ...
Effect of fluoro-polycarbonates containing aliphatic
... of 1310 and 1550 nm.10 Fluorine-containing polymers exhibit good thermal and chemical stability and decreased intermolecular attractive forces (which results in better solubility) compared to hydrocarbon polymers.7g,10a,11 The refractive indices of the polymers that we have synthesized9 (AF-Z-PC EPs ...
... of 1310 and 1550 nm.10 Fluorine-containing polymers exhibit good thermal and chemical stability and decreased intermolecular attractive forces (which results in better solubility) compared to hydrocarbon polymers.7g,10a,11 The refractive indices of the polymers that we have synthesized9 (AF-Z-PC EPs ...
Theoretical studies of light propagation in photonic and plasmonic devices Link¨
... not only in the performance of devices, which can distribute data at the speed of light, but also in the capacity of transmitted data. By now, modern optical networks can provide such a bandwidth, that even the fastest state-of-the-art processors are unable to handle, and this trend seems to remain ...
... not only in the performance of devices, which can distribute data at the speed of light, but also in the capacity of transmitted data. By now, modern optical networks can provide such a bandwidth, that even the fastest state-of-the-art processors are unable to handle, and this trend seems to remain ...
OPTI 517 Image Quality
... collected by a single circular or square detector to the total amount of energy that reaches the image plane from that object point – This is a popular metric for system engineers who, reasonably enough, want a certain amount of collected energy to fall on a single pixel – It is commonly used for sy ...
... collected by a single circular or square detector to the total amount of energy that reaches the image plane from that object point – This is a popular metric for system engineers who, reasonably enough, want a certain amount of collected energy to fall on a single pixel – It is commonly used for sy ...
Novel Metrology Techniques Resolve Strong-Field
... in a well-controlled way and to analyze its dynamic response, we need metrology schemes capable of resolving the electric field of optical waveforms. However, this poses an experimental challenge: How can we resolve light-field oscillations which are among the fastest reproducible signals we can gen ...
... in a well-controlled way and to analyze its dynamic response, we need metrology schemes capable of resolving the electric field of optical waveforms. However, this poses an experimental challenge: How can we resolve light-field oscillations which are among the fastest reproducible signals we can gen ...
Power quantum control of odd-order multiwave
... There exists two ladder-type EIT subsystems in such a fivelevel system, i.e., j0i↔j1i↔j2i and j0i↔j1i↔j4i, both of which satisfy the two-photon Doppler-free conditions. When we block E 3 & E03 and E 4 [as shown in Fig. 1(b)], one vertically polarized FWM signal EF satisfying the phase-matching condi ...
... There exists two ladder-type EIT subsystems in such a fivelevel system, i.e., j0i↔j1i↔j2i and j0i↔j1i↔j4i, both of which satisfy the two-photon Doppler-free conditions. When we block E 3 & E03 and E 4 [as shown in Fig. 1(b)], one vertically polarized FWM signal EF satisfying the phase-matching condi ...
Standing-wave transform spectrometer based on integrated MEMS
... that mirror scan need not be linear in time, allowing the use of a sinusoidal mirror scan. For the same reason, responses other than an ideal two-beam interference are also quite usable. In the present spectrometer, some Fabry–Pérot behavior can also be present, though again simple signal processing ...
... that mirror scan need not be linear in time, allowing the use of a sinusoidal mirror scan. For the same reason, responses other than an ideal two-beam interference are also quite usable. In the present spectrometer, some Fabry–Pérot behavior can also be present, though again simple signal processing ...
Thermal and electrical properties of - Ruhr
... was almost a century later when Rosencwaig and Gersho explained Bell’s photoacoustic experiment in the frame of the thermal waves [Rosencwaig and Gersho, 1976]. Since then, ...
... was almost a century later when Rosencwaig and Gersho explained Bell’s photoacoustic experiment in the frame of the thermal waves [Rosencwaig and Gersho, 1976]. Since then, ...
