Chapter 12: Optical Communications
... through low-loss glass fibers. Since 1980 this development has dramatically transformed global communications. The advantage of an optical fiber for communications is that it has a bandwidth of approximately one terahertz, and can propagate signals over continental and even global distances when ass ...
... through low-loss glass fibers. Since 1980 this development has dramatically transformed global communications. The advantage of an optical fiber for communications is that it has a bandwidth of approximately one terahertz, and can propagate signals over continental and even global distances when ass ...
Ultrafast adaptive optical near-field control
... fascinating properties, such as subwavelength variation of the field strength, local field enhancement with respect to the incident wave, and local fields with vector components perpendicular to those of the incident field. The subwavelength field strength variation is responsible for the spatial re ...
... fascinating properties, such as subwavelength variation of the field strength, local field enhancement with respect to the incident wave, and local fields with vector components perpendicular to those of the incident field. The subwavelength field strength variation is responsible for the spatial re ...
Top downloaded Optics Express article for March.
... Cabezas, Luisa; Tebaldi, Myrian; Barrera, John Fredy; Bolognini, Néstor; Torroba, Roberto We demonstrate a smart image-packaging optical technique that uses what we believe is a new concept to save byte space when transmitting data. The technique supports a large set of images mapped into modulated ...
... Cabezas, Luisa; Tebaldi, Myrian; Barrera, John Fredy; Bolognini, Néstor; Torroba, Roberto We demonstrate a smart image-packaging optical technique that uses what we believe is a new concept to save byte space when transmitting data. The technique supports a large set of images mapped into modulated ...
6.1 Characteristics Because VCSELs emit from the top surface of the
... When edge-emitters are used in optical fibercommunication systems, they incorporate a rear facet photodiode to provide a means to monitor the laser output, as this output varies with temperature. In today’s optical networks, binary digital modulation is typically used, namely on (i.e., light on) and ...
... When edge-emitters are used in optical fibercommunication systems, they incorporate a rear facet photodiode to provide a means to monitor the laser output, as this output varies with temperature. In today’s optical networks, binary digital modulation is typically used, namely on (i.e., light on) and ...
Optical Detection of Early Damage in Retinal Ganglion Cells in a
... causes RI fluctuation, which leads to detectable backscattered light due to elastic scattering. Because of the heterogeneous nature of the mass density distribution, we modeled tissue as a random medium with continuously fluctuating mass density. The most comprehensive way to describe such a medium ...
... causes RI fluctuation, which leads to detectable backscattered light due to elastic scattering. Because of the heterogeneous nature of the mass density distribution, we modeled tissue as a random medium with continuously fluctuating mass density. The most comprehensive way to describe such a medium ...
PII: 0030-4018(95)00743-1
... lo7 m-l. Fig. 1 depicts the MI gain given by Eq. (13) (solid line curve) as a function of the dimensioneless quantity p/k when E, = 5 X lo5 V/m and r = 1. Since the MI gain is symmetric with respect to p, only the positive p-branch is plotted. Moreover, it is important to note that the dimensioneles ...
... lo7 m-l. Fig. 1 depicts the MI gain given by Eq. (13) (solid line curve) as a function of the dimensioneless quantity p/k when E, = 5 X lo5 V/m and r = 1. Since the MI gain is symmetric with respect to p, only the positive p-branch is plotted. Moreover, it is important to note that the dimensioneles ...
Diamond chemical-vapor deposition on optical fibers for
... centers into the near-field for coupling to the fiber and opens the possibility of devices where the centers are used as coupling elements 共for example on a near field scanning optical microsopy probe for surface analysis兲, or where the fluorescence is the desired product, for example as a single-ph ...
... centers into the near-field for coupling to the fiber and opens the possibility of devices where the centers are used as coupling elements 共for example on a near field scanning optical microsopy probe for surface analysis兲, or where the fluorescence is the desired product, for example as a single-ph ...
Polarimetric imaging of crystals - Werner Kaminsky
... The relevant body of research was begun in 1985 when Mickols et al. introduced the imaging differential polarization microscope.3 In this device various voltages were applied to a KH2PO4 crystal in a Pockels cell in order to modulate between orthogonal polarization states, or between left and right ...
... The relevant body of research was begun in 1985 when Mickols et al. introduced the imaging differential polarization microscope.3 In this device various voltages were applied to a KH2PO4 crystal in a Pockels cell in order to modulate between orthogonal polarization states, or between left and right ...
LAB LASER OPERATOR
... by at a metastable level, the decay is excited by the narrow decay. Mirror cavity photons are in phase and the emitted light wave in phase and intense ...
... by at a metastable level, the decay is excited by the narrow decay. Mirror cavity photons are in phase and the emitted light wave in phase and intense ...
How laser works
... transitory, lasting only about one-millionth of a second. A small pulse of laser light "tuned" to the excited electrons' energy is directed through the glass slabs. This laser pulse stimulates the electrons to drop to their lower energy states, or "ground" states, and emit a laser photon of exactly ...
... transitory, lasting only about one-millionth of a second. A small pulse of laser light "tuned" to the excited electrons' energy is directed through the glass slabs. This laser pulse stimulates the electrons to drop to their lower energy states, or "ground" states, and emit a laser photon of exactly ...
4.1 Simulated Emission and Photon Amplification
... Δv = 2-5GHz for many gas lasers, He-Ne laser ~0.02 Å Fig. 4.8 Full width at half maximum linewidth (FWHM) ...
... Δv = 2-5GHz for many gas lasers, He-Ne laser ~0.02 Å Fig. 4.8 Full width at half maximum linewidth (FWHM) ...
High power, continuous-wave ytterbium-doped fiber - HAL
... cooling where the laser wavelength has to be specifically adjusted, metrology or medical treatments. There is also an increasing attention of such sources for parametric applications as for instance frequency conversion, including Raman or optical parametric amplifiers [1–3]. To this purpose, rare e ...
... cooling where the laser wavelength has to be specifically adjusted, metrology or medical treatments. There is also an increasing attention of such sources for parametric applications as for instance frequency conversion, including Raman or optical parametric amplifiers [1–3]. To this purpose, rare e ...
