Abstract: The invention relates to an integrated optics coupling element that includes a substrate, an optical guide core, an optical cladding independent of the core and surrounding at least one portion of the core in a zone of the substrate called the zone of interaction. The cladding has at least in the zone of interaction a modulation of its structure so as to form a grating. The refractive index of the cladding is different from the refractive index of the substrate and lower than the refractive index of the core at least in the part of the cladding next to the core in the zone of interaction. Embodiments of the invention may be used to make gain flatteners for optical amplifiers or to make linear response filters whose wavelength is on a spectral band.

Abstract: The invention relates to an integrated optics artificial cladding grating comprising in a substrate (20) an optical guide core (2), an optical cladding (3, 3a, 3b, 3c, 3d) independent of the core and surrounding at least a portion of the core in a zone of the substrate called the zone of interaction (I1) comprising a grating (19) capable of coupling at least one guided mode of the core to at least one cladding mode or vice versa, the said zone of interaction comprising a coupling variation along the direction of propagation z of the modes, the refractive index of the cladding being different to the refractive index of the substrate and lower than the refractive index of the core in at least the part of the cladding next to the core in the interaction zone.

Abstract: An optical routing device for coupling each of a plurality NE of optical incoming channels (1) to one of a plurality NS of optical output channels (5) and for orienting each of the optical beams coming through the incoming channels to any one of the NS optical output channels, includes: an input module including NE optical inputs, for shaping each beam, so as to obtain a plurality of shaped optical beams; an input deflection module for generating for each input a number PTN of different positions of angular deflection at least equal to the number NS of optical output channels; a linking module for assembling in bi-unique manner on PTN spatial focusing points, respectively the PTN angular deflection positions of each; an output deflection module having PTN inputs for intercepting PTN intermediate optical beams; and an optical output module for shaping each NS output beam.

Abstract: A method for manufacturing an optical micro-mirror including a fixed part and a moveable part, with a reflection device connected to the fixed part by an articulation mechanism. This method realizes a stack including a mechanical substrate, a first layer of thermal oxidation material, and at least one second layer of material for forming the moveable part, realizes the articulation mechanism, realizes the reflection device on the second layer, realizes the moveable part by etching of at least the second layer of material, and eliminates the thermal oxidation layer to liberate the moveable part. Such an optical micro-mirror may find possible applications to optical routing or image projection systems.

Abstract: The invention relates to a sampling device comprising in a substrate (15), a wave guide core (17) capable of transporting a light wave E and an optical cladding (19), at least one portion of the cladding surrounding at least one portion of the core in a zone called the zone of interaction (I), the said zone comprising among others a grating (21) capable of coupling in the cladding, part of the light wave, the coupled part being called the coupled wave C, the refractive index of the cladding being different to the refractive index of the substrate and lower than the refractive index of the core at least in the part of the cladding next to the core in the zone of interaction. The cladding of the device is advantageously connected to a recovery and treatment element (33) for all or part of the coupled wave (C).

Abstract: This invention relates to an integrated optics component including at least one optical guide core (11) and at least one optical cladding (9) in a substrate (7), the core and the cladding being independent of each other in the substrate, at least one portion of said cladding surrounding at least one portion of said core so as to define at least one so-called interaction area (20) between the core and the cladding, the refraction index of the cladding is different from the refraction index of the substrate and is less than the refraction index of the core at least in the part of the cladding close to the core and at least in the interaction area, a light wave possibly being introduced into said area through the core and/or the cladding. The invention is used for applications particularly in the domain of optical telecommunications, for example to make a spectral or spatial filter or a Mach-Zehnder type interferometer, or a temperature sensor.

Abstract: The invention relates to an integrated optics filtering component comprising in a substrate (10) at least one filtering unit comprising an optical guide core (11), an optical cladding (13) independent of the core and at least two elementary zones of interaction in series (Z1, Z2, Z3), in which each elementary zone of interaction has at least one structural parameter that is different from that or those adjacent to it, where each elementary zone of interaction is defined by a zone of the substrate comprising an elementary grating (R1, R2, R3), at least one portion of the cladding called the elementary cladding (G1, G2, G3) surrounding at least one portion of the core, called the elementary core, where the refractive index of each elementary cladding is different from the refractive index of the substrate and lower than the refractive index of the core at least in the part of the elementary cladding next to the elementary core, and the different elementary gratings of a filtering unit forming a grating.

Abstract: The invention relates to an integrated optics coupling element characterised in that it comprises in a substrate (11) an optical guide core (12), an optical cladding (13) independent of the core and surrounding at least one portion of the core in a zone of the substrate called the zone of interaction, in which the cladding has at least in the zone of interaction a modulation of its structure so as to form a grating (R), in which the refractive index of the cladding is different from the refractive index of the substrate and lower than the refractive index of the core at least in the part of the cladding next to the core in the zone of interaction. The invention has applications in particular for the fabrication of gain flatteners for optical amplifiers or even for the fabrication of linear response filters whose wave length is on a spectral band.

Abstract: The integrated-optics coupling component is designed to cooperate with a transverse multimode power laser diode (2) with semi-conductor to form a transverse multimode power laser. It comprises an input zone (4) connected to at least one output waveguide (6) by at least two adiabatic tapering zones (5). At least two filtering windows (7) form the inputs of the adiabatic tapering zones (5) at the end of a diffraction zone defined by the input zone. Reflecting elements, for example a Bragg grating (12), can be arranged on the output waveguide. An emitting face (3) being antiglare-treated, an extended laser cavity oscillating on a single predetermined mode is thus defined between a reflecting rear face (11) of the laser diode and the reflecting elements (12).

Abstract: Apparatus and method for integrating lasers and optics on glass substrates. An optical (e.g., laser) component formed from a glass substrate doped with a optically active lanthanides species with a plurality of waveguides defined by channels within the substrate. The laser component optionally includes a monolithic array of individual waveguides in which the waveguides form laser resonator cavities with differing resonance characteristics. Another aspect is directed toward pumping the laser wherein a superstrate waveguide cavity, or cladding, Ls positioned adjacent the substrate waveguide for supplying the latter with pump light. A closed crucible processing of optical waveguides on a glass substrate is also described. Waveguides are created by exposing a surface of the substrate to an ion-exchange solvent (e.g., a molten salt). A tightly sealed multi-part crucible is provided in order that gas does not leak in or out of the crucible during cooling or heating of the system.

Abstract: This invention relates to a multiplexer/demultiplexer in integrated optics including n guide cores (23, 25) in a substrate (18), where n is an integer greater than or equal to 2, and at least one optical cladding (20) surrounding at least one portion of each of the n cores so as to define at least n interaction areas (I1, I2), each interaction area also comprising a grating (R1, R2), this multiplexer/demultiplexer comprising at least n inputs/outputs (P1, P2, P3), formed by at least one end of each core. The invention is used for applications in all domains using wavelength multiplexers/demultiplexers, and particularly in the domain of optical telecommunications.

Abstract: An integrated photonic apparatus that includes a glass substrate having a major surface, wherein the glass substrate includes a plurality of regions, each region having a different index of refraction, including a first region having a first index of refraction and a second region having a second index of refraction lower than the first index of refraction, and a first waveguide formed along the major surface of the substrate, wherein the first waveguide has a higher index of refraction than an intrinsic index of refraction of adjacent portions of the substrate, and wherein the first waveguide passes through the first region and through the second region of the glass substrate.

Abstract: An optical pump device including a pump source optically connected to an optical divider including one input channel and n output channels. The input channel is configured to receive a pump wave derived from the source and the n output channels are configured to output n pump waves, where n is an integer greater than 1. The pump device can be used in an optical amplification device. The device has applications in all domains in which several optical pumps are necessary, and more particularly in the domain of optical telecommunications, and for example for optical amplifiers.

Abstract: An active coupling device enabling a light signal to be coupled to an optical component having a waveguide. The light signal has a first range of wavelengths. The active coupling device is configured to receive the light signal and to emit a light wave in a second range of wavelengths. The optical component comprises at least one input waveguide associated with a third range of wavelengths. The second range of wavelengths lies at least in part in the third range of wavelengths. The Active coupling device can be incorporated in an optical structure and can be useful in the fabrication of a structure including an optical component such as an optical amplifier, spectrum inverter or frequency converter.

Abstract: The invention concerns an optical switch using a micromirror and its method of fabrication. This optical switch comprises at least one input optical path (31) and at least a first and a second output optical path (35,37) and a micromirror (41) able to move between an output of the input optical path and inputs of the first and second output optical paths. The micromirror comprises a reflector part (13) and an actuating part (15) able to drive the reflector part in rotation. The invention applies to all areas using optical switches, and in particular the sphere of optic telecommunications.

Abstract: An optical deflection module adapted to generate a plurality of angular positions for at least one incident optical beam. For each optical beam, the module comprises a line containing:—a plurality of N cascading deflection elements (MD1, MD2, . . . MDI, . . . MDN) which can each take respectively P1, P2, . . . PI, . . . or PN different angular deflection configurations around at least one given axis; and—a plurality of N?1 optical conjugate elements (MCO1, MCO2, . . . MCO1, . . . , MCON?1) which are each disposed between two successive deflection elements in order to produce an object/image conjugate between the successive deflection elements.

Abstract: This invention relates to an optical pump device comprising a pump source optically connected to an optical divider comprising one input channel and n output channels, the input channel being capable of receiving a pump wave S derived from the source and the n output channels being capable of outputting n pump waves S1, . . . Sn, where n is an integer greater than 1. It also relates to the use of the pump device in an optical amplification device. The invention has applications in all domains in which several optical pumps are necessary, and more particularly in the domain of optical telecommunications, and for example for optical amplifiers.

Abstract: A 2 to n divider with integrated optics, where n is an integer greater than or equal to 2, including at least one 2 to 2 optical divider element in a substrate. The optical divider element comprises a first and a second guide with widths equal to W1 and W2, respectively. The first and second guides are suitable for dividing an input light wave input into one of the guides, into a first and second output wave transported by the first and second guides respectively according to a determined division ratio. These first and second guides have at least three parts. A first part where the first and second guides move toward each other, a second part where the first and second guides are approximately parallel to each other and a third part where the first and second guides gradually separate from each other.

Abstract: An integrated photonic apparatus that includes a glass substrate having a major surface, a first waveguide segment and a second waveguide segment, and a folded evanescent coupler connecting the first waveguide segment to the second. The folded evanescent coupler is formed by a first length of the first waveguide segment and an equivalent length portion of the second waveguide running parallel and adjacent to the first waveguide segment. The first length is substantially equal to one half of an evanescent-coupler length needed to transfer a first wavelength in a non-folded evanescent coupler. A reflector (e.g., dielectric mirror that is highly reflective to light of the first wavelength and also highly transmissive to light of a second wavelength) is located at an end of the folded evanescent coupler. The first length is selected to transfer substantially all light of a first wavelength.

Abstract: Optical structures and method for producing tunable waveguide lasers. In one embodiment, a waveguide is defined within a glass substrate doped with a rare-earth element or elements by ion diffusion. Feedback elements such as mirrors or reflection gratings in the waveguide further define a laser-resonator cavity so that laser light is output from the waveguide when pumped optically or otherwise. Means are disclosed for varying the wavelengths reflected by the reflection gratings and varying the effective length of the resonator cavity to thereby tune the laser to a selected wavelength. Apparatus and method for integrating rare-earth doped lasers and optics on glass substrates. The invention includes a laser component formed from a glass substrate doped with a optically active lanthanides species with a plurality of waveguides defined by channels within the substrate.