An optical isolator including a substrate and a thin film comprising iron oxide (preferably maghemite) or a magnetic perovskite-type material (preferable BFTO or SFTO) is provided.
The optical isolator is thus suitable for integrated optics applications.
An optical isolator with perfect rejection ratio and its application to an optical amplifier system.
The laser further comprises a second optical path which includes an optical isolator.
The optical signal (12) is passed through an optical isolator (14) and a fibre coupler (16) to a tuneable optical filter.
The present invention relates to an optical insulator for high power optical radiation.
The ring resonator prevents optical feedback to the Thulium laser (15) and eliminates the need for an optical isolator (24).
Each radiating region of the system is optically isolated from some or all of the other radiating regions by an optical isolator.
An inventive optical element which is used as an optical isolator can be deployed in laser systems to reduce or suppress the feedback of the laser.
In one embodiment the optical subassembly comprises a housing containing a lens assembly and an optical isolator.
An integrated microring optical isolator (12) wherein an input opti¬ cal signal (20) is transmitted through a bus waveguide (14).
Two optical isolators and one optical isolator are installed to the preceding and the succeeding amplifying sections for preventing laser oscillation, respectively.
An optical isolator is provided with the two apparatus, and therebetween with a Faraday rotor.
A simple-structure, small-size, inexpensive optical isolator mounted in an amplifier.
An integratable optical isolator includes a polarizer (105), a non-reciprocal rotator (110), and a reciprocal rotator (115).
Preferably, some wires of at least one device are isolated from the host system via an optical isolator.
An optical system, e.g., an optical fiber communication system or an optical mass storage device, which includes a linearly birefringent polarization rotator useful in an optical isolator or optical circulator.
At least a portion of the first optical signal is received in a reverse direction at an optical isolator and the second optical signal is received in a forward direction at the optical isolator.