Abstract: The present disclosure describes an integrated opto-mechanical and electro-mechanical system. The opto-mechanical and electro-mechanical system can be made of photonic crystals configured to move based on electrical voltages and/or back action effects from electromagnetic waves, thus changing the resonance of the system.

Abstract: An optical finger navigation device and method for making the device uses a light pipe array lens, which includes an array of light pipes formed in a monolithic block of material. The light pipe array lens is configured to function similarly to a fiber bundle lens to transmit light through the lens using the light pipes in the monolithic block of material.

Abstract: An optical device including an active core layer of silica glass doped with ions which serve as optical emitters, the active core layer being on a silica glass substrate and having a layer thickness of at least 5 ?m, and wherein the layer is sintered at a temperature range of 1500-1600 C. and subsequently heat treated by a laser.

Abstract: A photonic crystal device including a photonic crystal material and an activation surface. The photonic crystal material exhibits a first reflectance spectrum in an unactivated state, and, in response to mechanical stimulation, exhibits a second reflectance spectrum in an activated state. Application of a force at an activation portion of the activation surface offset from a material-supporting portion of the activation surface causes a deformation of the photonic crystal material sufficient to bring the photonic crystal material to the activated state.

Abstract: An optical apparatus comprises a waveguide substrate and an optical reference cavity. The optical reference cavity comprises an optical waveguide formed on the waveguide substrate and arranged to form a closed loop greater than or about equal to 10 cm in length. The RMS resonance frequency fluctuation is less than or about equal to 100 Hz. The Q-factor can be greater than or about equal to 108. The optical waveguide can exhibit optical loss less than or about equal to 0.2 dB/m for propagation of an optical signal along the optical waveguide. The closed loop path can comprise two or more linked spirals greater than or about equal to 1 meter in length and can occupy an area on the waveguide substrate less than or about equal to 5 cm2.

Abstract: A method of fabricating biochip sensor comprising providing a precursor; depositing the precursor on a substrate to form a coating; and rapid melting/quenching treatment of the coating with an energy source to form micro/nanotextured surface with enhanced reflectance for fast chemiluminescence response of E-Coli bacteria.

Abstract: Disclosed is a product that includes an optical sensor; a target-responsive hydrogel matrix on a surface of the optical sensor (where the hydrogel matrix comprises one or more target-specific receptors and one or more target analogs), and one or more high refractive index nanoparticles within the hydrogel matrix, where a detectable change occurs in a refractive index of the hydrogel matrix when contacted with one or more target molecules. Sterile packages and detection devices containing the product, and methods of detecting a target molecule using the product, are also disclosed.

Abstract: A 1D nanobeam photonic crystal cavity is provided that includes a substrate, where the substrate includes a dielectric medium, and a series of cutout features in the substrate, where each cutout feature includes a first curved surface and a second curved surface, where the first curved surface and the second curved surface form a meniscus shape, where the series of cutout features include an array of sizes of the meniscus shape cutouts, where edges of the meniscus shape and the array of sizes are disposed to form a pair of opposing parabolic dips proximal to a central region of the series of cutout features.

Abstract: Disclosed is an optical waveguide body having a first surface that includes one or more tapered portions displaced between an input surface and an end surface or edge of the waveguide body. A second surface displaced from and opposite the first surface may also include one or more tapered portions between the input surface wherein the furthest tapered portions of the first and second surface forms and end surface or edge.

Abstract: A patterned nonreciprocal optical resonator structure is provided that includes a resonator structure that receives an optical signal. A top cladding layer is deposited on a selective portion of the resonator structure. The top cladding layer is patterned so as to expose the core of the resonator structure defined by the selective portion. A magneto-optically active layer includes a magneto-optical medium being deposited on the exposed core of the resonator structure so as to generate optical non-reciprocity.

Abstract: A device is described which includes a waveguide structure for signal transmission and power/ground delivery The waveguide structure includes a signal transmission part for transmitting an optical signal from an illuminant device to a detector. The signal transmission part may include transparent polymer, diamond or glass. The signal transmission part is used for a waveguide. The waveguide structure further includes a power/ground delivery part surrounding the signal transmission part. The power/ground delivery part is composed of at least one metal layer. Thus, the waveguide structure can provide an optical-signal transmission with high speed and high volume through the signal transmission part, while a stable power or ground reference can be provided to multiple units through the power/ground delivery part.

Abstract: The photonic-crystal (PC) slab absorber includes: a two-dimensional (2D)-PC slab composed of semiconducting materials; and a lattice point periodically arranged in the 2D-PC slab, the lattice point for forming resonant-state which can capture an electromagnetic waves incident from an outside by resonating an electromagnetic wave in a band edge of a photonic band structure of the 2D-PC slab in the plane of the 2D-PC slab. The 2D-PC slab is doped with impurities and can absorb the captured electromagnetic wave in the band edge resonant frequency of the 2D-PC slab.

Abstract: Embodiments described herein generally relate to re-using the energy of natural light. In some examples, a lighting unit is described. An example lighting unit can include a multiple number of bound light-conductive members. A long-lasting phosphorescent material can be dispersed between the multiple number of bound light-conductive members. A luminance of the lighting unit can be at least several thousand cd/m2.

Abstract: Disclosed is a curable resin composition comprising a polymer (A) that has a main chain comprising carbon atoms and a side chain having a polymerizing unsaturated linking group and has a cyclic structure in the main chain and/or the side chain, and a compound having a polymerizing unsaturated group. The curable resin composition has good optical characteristics, good heat resistance and good moldability.

Abstract: There is provided a planar optical waveguide element in which an optical waveguide core comprises an inner side core having protruding portions that form a rib structure, and an outer side core that is provided on top of the inner side core and that covers circumferential surfaces of the protruding portions, wherein a refractive index of the outer side core is lower than an average refractive index of the inner side core. The structure of the planar optical waveguide element can be applied even when the core is formed from a material having a higher refractive index than that of a silica glass-based material such as silicon (Si) or silicon nitride (SixNy).

Abstract: A leaky travelling wave array of optical elements provide a solar wavelength rectenna.

Abstract: An optical waveguide system includes a substrate, a cladding layer arranged on the substrate, a core layer arranged on the cladding layer, and a lens-prism patterned in the core material, the lens-prism comprising a Fresnel lens portion, and a Fresnel prism portion.

Abstract: A method of manufacturing a waveguide eliminates a prior art reflow step and introduces certain new steps that permit fabricating of an ultra-low loss waveguide element on a silicon chip. The ultra-low loss waveguide element may be adapted to fabricate a number of devices, including a wedge resonator and a ultra-low loss optical delay line having an extended waveguide length.

Abstract: A spot-size converter includes a substrate, a first core provided over the substrate, and second and third cores provided over the substrate and over or under the first core with a cladding layer sandwiched therebetween and extending in parallel to the substrate and the first core.

Abstract: An optical semiconductor element is held in a junction-up state at an approach start position that is isolated from a mount face of a planar lightwave circuit, and the top-face height of the optical semiconductor element and the surface height of the planar lightwave circuit are aligned by bringing the optical semiconductor element closer towards the mount face. Further, the height of the active layer of the optical semiconductor element is aligned with the height of a waveguide of the planar lightwave circuit by bringing the optical semiconductor element towards the mount face for an amount of a difference between a reference value of a distance on design from the surface of the planar lightwave circuit to the center of the waveguide and a reference value of a distance on design from the top face of the optical semiconductor element to the center of the active layer.

Abstract: A semiconductor optical device includes a first clad layer, a second clad layer and an optical waveguide layer sandwiched between the first clad layer and the second clad layer, wherein the optical waveguide layer includes a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer and extending in one direction, and a third semiconductor layer covering a top surface of the second semiconductor layer, and wherein the first semiconductor layer includes an n-type region disposed on one side of the second semiconductor layer, a p-type region disposed on the other side of the second semiconductor layer, and an i-type region disposed between the n-type region and the p-type region, and wherein the second semiconductor layer has a band gap narrower than band gaps of the first semiconductor layer and the third semiconductor layer.

Abstract: Provided is an optical device. The optical device includes a substrate having a waveguide region and a mounting region, a planar lightwave circuit (PLC) waveguide including a lower-clad layer and an upper-clad layer on the waveguide region of the substrate and a platform core between the lower-clad layer and the upper-clad layer, a terrace defined by etching the lower-clad layer on the mounting region of the substrate, the terrace including an interlocking part, an optical active chip mounted on the mounting region of the substrate, the optical active chip including a chip core therein, and a chip alignment mark disposed on a mounting surface of the optical active chip. The optical active chip is aligned by interlocking between the interlocking part of the terrace and the chip alignment mark of the optical active chip and mounted on the mounting region.

Abstract: A monolithically integrated optical device. The device has a gallium and nitrogen containing substrate member having a surface region configured on either a non-polar or semi-polar orientation. The device also has a first waveguide structure configured in a first direction overlying a first portion of the surface region. The device also has a second waveguide structure integrally configured with the first waveguide structure. The first direction is substantially perpendicular to the second direction.

Abstract: Provided are a waveguide with which strain and defect caused by a manufacturing process or the like or caused in a semiconductor in an initial stage or during operation are suppressed so that improvement and stabilization of characteristics are expected, and a method of manufacturing the waveguide. A waveguide includes a first conductor layer and a second conductor layer that are composed of a negative dielectric constant medium having a negative real part of dielectric constant with respect to an electromagnetic wave in a waveguide mode, and a core layer that is in contact with and placed between the first conductor layer and the second conductor layer, and includes a semiconductor portion. The core layer including the semiconductor portion has a particular depressed and projected structure extending in an in-plane direction.

Abstract: An optical waveguide device that uses a thin substrate having an electro-optical effect and a thickness of 10 ?m or less, in which slab propagation light that is reflected from an end face of the device is removed and thus deterioration in an operational characteristic is suppressed. The optical waveguide device includes: a thin substrate which has an electro-optical effect and thickness of 10 ?m or less, and in which an optical waveguide is formed; and a supporting substrate that is adhered to the thin substrate through an adhesion layer. An antireflective film is formed on a part of a side surface of the optical waveguide device.

Abstract: An optical waveguide system includes a substrate, a cladding layer arranged on the substrate, a core layer arranged on the cladding layer, a lens patterned in the core material, and a prism patterned in the core material, the prism arranged adjacent to the lens.

Abstract: An optical communication system comprising first and second planar substrates and an alignment assembly. The first substrate of a semiconductor material, is located on a planar surface of a sub-mount and having a planar first edge. The second substrate of a different second material, is located on said planar surface of said sub-mount and having a planar second edge. The alignment assembly is located on said sub-mount, said alignment assembly including rigid standoff structures configured to fixedly vertically align said first and second edges above said sub-mount such that each optical output of one of said lasers is vertically aligned with the end of one of said light-guiding structures.

Abstract: In various embodiments described herein, a display device includes a front illumination device that comprises a light guide disposed forward of an array of display elements, such as an array of interferometric modulators, to distribute light across the array of display elements. The light guide may include a turning film to deliver uniform illumination from a light source to the array of display elements. For many portable display applications, the light guide comprises the substrate used in fabricating the display elements. The display device may include additional films as well. The light guide, for example, may include a diffuser and/or an optical isolation layer to further enhance the optical characteristics of the display.

Abstract: A deterministic design and manufacturing of an ultrahigh Q-factor, wavelength-scale optical cavity is invented and experimentally demonstrated. The design can be implemented on photonic crystal nanobeam cavities, which are based on 1D optical waveguides. The waveguide has dielectric index alternations that provide constructive interference and produces optical resonance.

Abstract: A light transmission path package includes first and sealing surface adjustment members, which are arranged with facing each other by way of a light emitting/receiving element on a lead frame substrate, having a length in a normal direction of the substrate surface from the substrate surface of H2; wherein a relational expression H3<H2<H1 is satisfied where the height H1 is a distance in the normal line direction from the substrate surface to a surface of the light guide facing the substrate surface, and the height H3 is a length in the normal line direction from the substrate surface in the light emitting/receiving element. The sealing resin is filled so as to cover the first and second sealing surface adjustment members and so as not to come in contact with the light transmission path.

Abstract: According to aspects of embodiments, an optical device includes a first coupler configured to split an optical signal; a second coupler configured to cause optical signals to interfere with each other, a first waveguide configured to couple the first coupler to the second coupler, the first waveguide includes a first phase shifter region having a section narrower in width than an end of the first phase shifter region, the second waveguide includes a second phase shifter region having a section wider in width than an end of the second phase shifter region.

Abstract: Systems and methods for coupling light into a transparent sheet. The systems include a light source and a light-diffusing optical fiber optically coupled to the light source. The light-diffusing optical fiber has a core, a cladding and a length, with at least a portion of the core comprising randomly arranged voids configured to provide substantially continuous light emission from the core and out of the cladding along at least a portion of the length, and into the transparent sheet.

Abstract: Endless phase shifting apparatus, structures, and methods useful—for example—in MIMO optical demultiplexing.

Abstract: A variable wavelength diode according to the inventive concept includes a resonator and a plurality of cylindrical lenses. The resonator includes slab waveguides of which resonance lengths are different from each other. The slab waveguides are disposed on a planar light wave circuit (PLC). Thus, the variable wavelength diode realizes a high variation speed and a continuous variation of a beam at the same time.

Abstract: An optical device and an optical transmitter are provided. The optical device includes a substrate, a first optical waveguide that may be formed in the substrate and may have a bending portion, and a second optical waveguide that intersects with the bending portion of the first optical waveguide, wherein a groove may be formed outside the bending portion of the first optical waveguide in the substrate.

Abstract: A vertical-type optical waveguide includes a substrate, a first groove, a second groove, and a protrusion portion. The first groove and the second groove are defined on a top surface of the substrate using a slicing method, and the first groove and the second groove are perpendicular to the top surface. An extending direction of the first groove and the second groove are parallel with each other. The protrusion portion is formed between the first and the second grooves. A titanium (Ti) film is coated on the protrusion portion and the Ti is diffused into the protrusion portion.

Abstract: Various exemplary embodiments relate to an optical isolator in an integrated optical circuit including: a first optical modulator configured to provide a first periodic phase modulation on an input optical signal; a second optical modulator configured to provide a second periodic phase modulation on the modulated optical signal; and an optical waveguide having a length L connecting the first optical modulator to the second optical modulator; wherein the phase difference between the first and second periodic phase modulation is ?/2, and wherein the length L of the optical waveguide causes a phase delay of ?/2 on an optical signal traversing the optical waveguide.

Abstract: An electromagnetic wave propagating structure includes a main body having surfaces capable of blocking propagation of an electromagnetic wave, and including an incident side and an exit side opposite to the incident side in a wave-propagating direction. The main body is formed with two wave-propagating channels that are spaced apart from each other by a distance not greater than the wavelength of the electromagnetic wave. Each of the wave-propagating channels extends from the incident side to the exit side, and has an inner dimension not greater than half of the wavelength of the electromagnetic wave. The electromagnetic wave propagating structure is adapted to allow an electromagnetic wave to propagate therethrough via the wave-propagating channels for focusing into a light spot having a spot size that is smaller than half of the wavelength of the electromagnetic wave.

Abstract: Complex, coupled photonic microdevices are formed to include sub-wavelength-sized radial perturbations sufficient to create resonant cavities, where these devices may be formed along the length of a single optical fiber and coupled together to form relatively complex photonic devices. By carefully selecting the placement and separation of these local radius variations, and using microfibers (or other suitable arrangements) to couple optical signals into and out of the device fiber, resonances in the form of whispering gallery modes (WGMs) are created in the device fiber such that a number of coupled microstructures (such as ring resonators) may be formed.

Abstract: An optical modulator structure can include a core region that comprises an optical transmission path having a refractive index that is modulated via electric charge introduced into the core region. A plurality of first vertical slabs comes into contact with and is spaced along a first side of the core region to provide a first path for the electric charge to/from the core region. A plurality of second vertical slabs come into contact with and is spaced along a second side of the core region, that is opposite to the first side, to provide a second path for the electric charge to/from the core region. Other structures and methods are disclosed.

Abstract: An optical device having a plasmonic waveguide, in which the plasmonic waveguide has a layered structure of at least three layers that a ferromagnetic metal layer, a first dielectric layer, and a second dielectric layer are layered in this order, in which the first and second dielectric layers are layers that allow light to be transmitted therethrough, and in which a refractive index of the second dielectric layer is higher than a refractive index of the first dielectric layer; and an optical isolator, having the optical device.

Abstract: The present invention relates to a polarized light emitting diode (LED) device and the method for manufacturing the same, in which the LED device comprises: a base, a light emitting diode (LED) chip, a polarizing waveguide and a packaging material. In an exemplary embodiment, the LED chip is disposed on the base and is configured with a first light-emitting surface for outputting light therefrom; and the waveguide, being comprised of a polarization layer, a reflection layer, a conversion layer and a light transmitting layer, is disposed at the optical path of the light emitted from the LED chip; and the packaging material is used for packaging the waveguide, the LED chip and the base into a package.

Abstract: A method and apparatus for filling a via with transparent material is presented, including the steps of providing a panel having a via, occluding the via with transparent material in a workable state so that a portion of the occluding material is internal to the via and a portion of the material is external to said via. The external and internal portions are separated so the transparent filler material, when set, forms a smooth and featureless surface. This causes the filled via to have a substantially even and uniform appearance over a wide range of viewing angles when lit.

Abstract: A light guiding plate may include a substrate, a waveguide, and a reflective metal. The waveguide and the reflective metal may be formed on the substrate. The waveguide may guide light. The reflective metal may reflect the light guided along the waveguide to change a propagation direction of the light. A light guiding plate may include a substrate, a cladding layer, and a plurality of waveguides. The cladding layer may be formed on the substrate. The cladding layer may include a first insulating layer having a first refractive index. The plurality of waveguides may be formed on the cladding layer. The plurality of waveguides may include a second insulating layer having a second refractive index. The second refractive index may be higher than the first refractive index. The plurality of waveguides may guide light provided by a light emitting element. At least two of the waveguides may have different lengths.

Abstract: The system includes an optical device having both optical components and one or more waveguides on a base. The system also includes a heat sink and a zone definer contacting the base and the heat sink. The zone definer is configured to conduct thermal energy from the optical device to the heat sink. The zone definer includes a thermal insulator having a lower thermal conductivity than both the heat sink and the base. The zone definer also includes a thermal via that extends through the thermal insulator. A via medium is positioned in the thermal via and has a higher thermal conductivity than the thermal insulator. The via medium is located under one of the optical components.

Abstract: A method for forming planar-waveguide Bragg grating in a curved waveguide comprises: forming a long chirped planar-waveguide Bragg grating in an Archimedes' spiral such that a long length of the waveguide can fit in a small chip area where the grating is formed in the curved waveguide; using periodic width modulation to form the planar-waveguide Bragg grating on the curved waveguide, and where the formation of the periodic width modulation occurs during the etching of the waveguide core; using rectangular width modulation to create Bragg gratings with a higher order than 1st order to allow a larger grating period and larger modulation depth, using waveguide width tapering while keeping the width modulation period constant to introduce chirp to the planar-waveguide Bragg grating where the index of refraction is a function of waveguide width, by applying a specific width tapering to create a desired arbitrary chirp profile.

Abstract: An optical apparatus that provides extraordinary light transmission through a sub-wavelength-sized light transmitting region of the apparatus includes a core region of dielectric material having a complex dielectric constant, ?1, surrounded by a metallic cladding material having a complex dielectric constant, ?2, wherein the core region has a maximum dimension, 2a, further wherein 2a is less than ?, where ? is the free-space wavelength of light incident on an input side of the apparatus, and further wherein |?1| is greater than 0.5|?2|, ?1 has a positive real part, and ?2 has a negative real part, whereby the incident light will be transmitted by and exit the apparatus from an output side with extraordinary transmission.

Abstract: Planar waveguide apparatus provides a waveguide at least partially overlying a passive buried rib waveguide for coupling optical radiation there between. The overlying waveguide has at least one tapered section, the width of the taper determining the degree of coupling between the waveguides at points along the tapered section. The overlying waveguide may have an active core region. The passive buried rib may have one or more unguided sections below electrically driven regions of the active waveguide to avoid parasitic modes and/or may provide a grating for use as a filter or feedback. Variations include a branched passive waveguide for coupling to two or more overlying waveguides and two or more aligned and active overlying waveguides coupling to one passive waveguide, there being a break in a shared core region of the active waveguides to provide electrical isolation between them.

Abstract: A radiation-emitting device (e.g., a laser) includes an active region configured to generate a radiation emission linearly polarized along a first polarization direction and a device facet covered by an insulating layer and a metal layer on the insulating layer. The metal layer defines an aperture through which the radiation emission from the active region can be transmitted and coupled into surface plasmons on the outer side of the metal layer. The long axis of the aperture is non-orthogonal to the first polarization direction, and a sequential series of features are defined in or on the device facet or in the metal layer and spaced apart from the aperture, wherein the series of features are configured to manipulate the surface plasmons and to scatter surface plasmons into the far field with a second polarization direction distinct from the first polarization direction.

Abstract: A composition useful for altering the wavelength of visible or invisible light is disclosed. The composition comprising a solid host material and quantum confined semiconductor nanoparticles, wherein the nanoparticles are included in the composition in amount in the range from about 0.001 to about 15 weight percent based on the weight of the host material. The composition can further include scatterers. An optical component including a waveguide component and quantum confined semiconductor nanoparticles is also disclosed. A device including an optical component is disclosed. A system including an optical component including a waveguide component and quantum confined semiconductor nanoparticles and a light source optically coupled to the waveguide component is also disclosed. A decal, kit, ink composition, and method are also disclosed. A TFEL including quantum confined semiconductor nanoparticles on a surface thereof is also disclosed.