An optical circulator is a three- or four-port optical device designed such that light entering any port exits from the next. This means that if light...

that signals passively circulate in a ferrite circulator. In 1964, Mohr presented and experimentally demonstrated a circulator based on transmission lines...

and optical amplifiers, and to reduce noise caused by multi-path reflection in high-bitrate and analog transmission systems. An optical circulator operates...

An optical add-drop multiplexer (OADM) is a device used in wavelength-division multiplexing (WDM) systems for multiplexing and routing different channels...

circulator, a circulator that includes semiconductors to provide the circulator function and requires a power source Optical circulator, the optical equivalent...

via an optical circulator. The FBG is set to reflect one of the channels, here channel 4. The signal is reflected back to the circulator where it is directed...

modulation of light, and are the basis of optical isolators and optical circulators; such components are required in optical telecommunications and other laser...

reflection-induced instability with the use of optical isolators, is not possible unless an optical circulator is employed, which increases cavity loss and...

between ports without an optical-electrical-optical conversion Optical splitter, to send a signal down different fiber paths. Circulator, to tie in other components...

An optical ring resonator is a set of waveguides in which at least one is a closed loop coupled to some sort of light input and output. (These can be...

damage. TGG can be used in optical isolators for laser systems, in optical circulators for fiber optic systems, in optical modulators, and in current...

Photolithography (also known as optical lithography) is a process used in the manufacturing of integrated circuits. It involves using light to transfer...

the properties are known as the Cotton-Mouton effect and used for a Circulator. Kerr rotation and Kerr ellipticity are changes in the polarization of...

An optical vortex (also known as a photonic quantum vortex, screw dislocation or phase singularity) is a zero of an optical field; a point of zero intensity...

damage. TGG can be used in optical isolators for laser systems, in optical circulators for fiber optic systems, in optical modulators, and in current...

particle migrated from the dewar to the circulator during the September 2008 restart attempt and that the circulator may be damaged, and determined an alternative...

An optical parametric oscillator (OPO) is a parametric oscillator that oscillates at optical frequencies. It converts an input laser wave (called "pump")...

A photonic integrated circuit (PIC) or integrated optical circuit is a microchip containing two or more photonic components that form a functioning circuit...

invisibility cloak. His research group also developed the first acoustic circulator, a device that can route sound asymmetrically as a function of the propagation...

A waveplate or retarder is an optical device that alters the polarization state of a light wave travelling through it. Two common types of waveplates...

In telecommunications, an optical buffer is a device that is capable of temporarily storing light. Just as in the case of a regular buffer, it is a storage...

the maximum safe operating temperature. Various measures are taken for optical overheating protection. Stagnation temperatures are encountered under conditions...

electrons within the plasma can be recorded. By utilizing a microwave circulator, a single microwave horn transceiver has been built, which significantly...

power circulating in any electric circuit Microwave power meter measures power in a microwave signal Optical power meter measures power in an optical signal...

etalon is an optical cavity made from two parallel reflecting surfaces (i.e.: thin mirrors). Optical waves can pass through the optical cavity only when...

usually implemented using an active circuit)—and the circulator, which is used at microwave and optical frequencies "13 Sextillion & Counting: The Long &...

source. The latter may be combined with an isolator, a device containing a circulator which uses a permanent magnetic field to break reciprocity and a resistive...

some of the earliest digital computers, and is reappearing in the form of optical delay lines. Like many modern forms of electronic computer memory, delay-line...

millimetres (1 in) thick, but shape and size vary. Smoke can be detected either optically (photoelectric) or by physical process (ionization). Detectors may use...

to the near-ultraviolet, although this usually requires replacing other optical components in the laser as well, such as dielectric mirrors or pump lasers...