Abstract: According to an example aspect of the present invention, there is provided an electro-optical device, comprising: a planar first substrate, a first electric contact point on a first side of the first substrate, a second electric contact point on a second side of the first substrate, and a via arrangement configured to provide electric contact between the first electric contact point and the second electric contact point. The via arrangement comprises a fiber optic portion and an electrically conductive portion, wherein the electrically conductive portion is arranged between the fiber optic portion and the first substrate and is configured to electrically connect the first electric contact point and the second electric contact point.

Abstract: An optical sub assembly can include a distributed feedback (DFB) tunable laser and an optical modulator. Wavelength selection and phase adjustment portions of the DFB laser, as well as an electro-optic (EO) modulator can be formed from polymer waveguides including hyperpolarizable chromophores disposed on a single substrate.

Abstract: To permanently apply lead terminals to corresponding electrodes of electronic or electro-optic components, a. providing a frame including a tensioned wire, b. providing a holding jig including at least one seat in which the components can be removably and temporarily retained, c. applying the components to the seats with the respective electrodes aligned along a respective longitudinal direction, d. applying the holding jig to the frame and orienting the same so that the longitudinal direction corresponds to the direction of the tensioned wire, the tensioned wire being thereby brought substantially in contact with (all) the electrode(s) aligned to each other on a corresponding row of components, e. electrically and mechanically bonding the tensioned wire to the corresponding electrodes, and f. cutting the wire to separate the components from each other thereby forming a respective lead terminal for each electrode.

Abstract: To permanently apply lead terminals to corresponding electrodes of electronic or electro-optic components, the following steps are carried out: a. providing a frame including at least one tensioned wire, b. providing a holding jig including at least one seat in which a respective one of the components can be removably and temporarily retained, c. applying the components to the seats with the respective electrodes aligned along a respective longitudinal direction; in this way a row of aligned components is obtained, each component having a corresponding electrode aligned to the subsequent one in the row, d. applying the holding jig to the frame and orienting the same so that the longitudinal direction corresponds to the direction of the tensioned wire, the tensioned wire being thereby brought substantially in contact with (all) the electrode(s) aligned to each other on a corresponding row of components, e.

Abstract: To permanently apply lead terminals to corresponding electrodes of electronic or electro-optic components, the following steps are carried out: a. providing a frame including at least one tensioned wire, b. providing a holding jig including at least one seat in which a respective one of the components can be removably and temporarily retained, c. applying the components to the seats with the respective electrodes aligned along a respective longitudinal direction; in this way a row of aligned components is obtained, each component having a corresponding electrode aligned to the subsequent one in the row, d. applying the holding jig to the frame and orienting the same so that the longitudinal direction corresponds to the direction of the tensioned wire, the tensioned wire being thereby brought substantially in contact with (all) the electrode(s) aligned to each other on a corresponding row of components, e.

Abstract: To permanently apply lead terminals to corresponding electrodes of electronic or electro-optic components, the following steps are carried out: a. providing a frame including at least one tensioned wire, b. providing a holding jig including at least one seat in which a respective one of the components can be removably and temporarily retained, c. applying the components to the seats with the respective electrodes aligned along a respective longitudinal direction; in this way a row of aligned components is obtained, each component having a corresponding electrode aligned to the subsequent one in the row, d. applying the holding jig to the frame and orienting the same so that the longitudinal direction corresponds to the direction of the tensioned wire, the tensioned wire being thereby brought substantially in contact with (all) the electrode(s) aligned to each other on a corresponding row of components, e.

Abstract: An optical device is described comprising at least one fiber-optic component arrange inside said device and a particular polymer composition capable of holding said optical component(s) in a predetermined position and protecting them inside said device. The polymer composition is a silicone elastomer obtained by crosslinking a mixture comprising at least one polysiloxane containing two or more hydrogen-siloxane functional groups of formula >SiH—O—, and at least one polysiloxane containing at least two vinyl groups of formula —CH═H2, where said polysiloxane are reacted in an amount such that the molar ratio between the hydrogen-siloxane groups and the vinyl groups is less than or equal to 1:1. The polymer composition has extremely low emission of hydrogen, less than 1 cm3 per kg of composition.

Abstract: An optical device is described, comprising a fibre-optic component, such as a fibre grating, which is associated with a predetermined transfer function, capable of being placed in a plurality of adjacent windings. Furthermore, the optical device is provided with a rigid housing capable of containing the said fibre-optic component, characterized in that it contains at least one separating element for physically separating the windings of the said plurality so as to prevent mutual contact through superposition and an element for fixing the said fibre-optic component capable of holding the said component in a stable position. The solution makes it possible to avoid undesirable changes of the transfer function that can occur during placement of the fibre-optic component in the housing and/or during the life of the device.

Abstract: An optical device is described comprising at least one fibre-optic component arranged inside the said device and a particular polymer composition capable of holding the said optical components in a predetermined position and protecting them inside the said device. The polymer composition is a silicone elastomer obtained by crosslinking a mixture comprising at least one polysiloxane containing two or more hydrogen-siloxane functional groups of formula >SiH—O— at least one polysiloxane containing at least two vinyl groups of formula —CH═CH2, where the said polysiloxanes are reacted in an amount such that the molar ratio between the hydrogen-siloxane groups and the vinyl groups is less than or equal to 1:1. The said polymer composition has extremely low emission of hydrogen, less than 1 cm3 per kg of composition.

Abstract: An apparatus for protecting optical fiber devices having at least one optical fiber length and control means associated therewith, includes a casing having at least one housing passing through the casing, in which casing the optical fiber length is inserted in such a manner that it is located inside the casing itself, in the presence of sealing means interposed between the housing and the casing, so that the housing is delimited in a substantially impervious manner with respect to the casing.

Abstract: The optical amplifier (1) comprises optical components (2-13), connection light guide sections (14) between the optical components, and electronic and electrical power supply and control components (41,42). It is characterized in that it comprises:an optical unit (15) comprising the optical components (2-13) and the connection light guide sections (14).an electronic unit (16) comprising the electronic and electrical components (41,42) and being separate from the optical unit (15), andmeans (43,44) of electrical interconnection between the optical unit (15) and the electronic unit (16).The clear separation of the electronic components (41,42) from the optical components (2-13) affords size reductions and rationalization of the amplifier (1) implementation procedure.

Abstract: An optical amplifier (1) includes optical components including at least one optical amplifying active fiber and a pump laser supplying pumping power to the amplifying fiber through an optical coupler, light guide sections (14) for connecting the optical components, and electronic and electrical power supply and control components (41,42). The amplifier is characterized in that it includes:an optical unit (15) including all the optical components (2-13) and the connection light guide sections (14),an electronic unit (16) including all the electronic and electrical components (41,42) and being separate from the optical unit (15),a plate between the optical unit and the electronic unit; andelectrical interconnections (43,44) between the optical unit (15) and the electronic unit (16).The clear separation of the electronic components (41,42) from the optical components (2-13) affords size reductions and rationalization of the amplifier (1) implementation procedure.

Abstract: The amplifier (1) comprises two active light guide sections (7,10), two dichroic couplers (5,8), two pump laser sources (6,8) acting on the active light guide sections (7,10) through the dichroic couplers (5,8), two directional couplers (3,11) associated with two respective optical meters (4,12), and light guide sections (14) for interconnecting the various components. The dichroic (5,8) and directional (3,11) couplers, and the optical meters (4,12), are pre-assembled onto an auxiliary frame (21); the active (7,10) and connection (14) light guide sections are wound on two drums (30) provided on an organizer frame (28). The auxiliary frame (21), organizer frame (28), and pump laser sources (6,9) are accommodated on a main frame (15).