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Matches 1 - 50 out of 3,120

Document Document Title
WO/2018/061747A1
[Problem] To provide an optical comb generation device and an optical comb signal generation method capable of stably generating an optical comb signal having an optical frequency interval exceeding the drive electric signal band of a mo...  
WO/2018/062010A1
This polarization tracking device that uses Stokes vectors to track variations in the polarization of light transmitted through an optical fiber is provided with: a rotation angle updating means that expresses the variation in the Stokes...  
WO/2017/118482A1
An opto-electronic oscillator (10) comprising: an optical source (12) to generate an optical carrier signal having a carrier wavelength; an optical phase modulator (14) to apply a sinusoidal phase modulation to the optical carrier signal...  
WO/2017/086816A1
The invention relates to a source of white light constructed of a vacuum glass chamber, containing an optically active element, a generator of an IR electromagnetic radiation beam equipped with a laser IR diode, a battery, a focusing len...  
WO/2017/031575A1
An optoelectronic oscillator (OEO) is disclosed comprising an electronically tunable filter for transposing narrow pass band characteristics of a surface acoustic wave (SAW) filter to a microwave frequency to provide mode selection in th...  
WO/2017/030137A1
In mode-space multidimensional modulation, synchronism of received signals is maintained, and the digital signal processing load required to process delay differences between received signals resulting from group velocity differences bet...  
WO/2017/023172A1
A photoconductive antenna has an array of antenna electrodes on or in a photoconductive substrate. The photoconductive substrate is irradiated with light from a pulsed laser via micro-lenses above respective gaps between antenna electrod...  
WO/2017/023384A2
An optical receiver includes a cascade of optical filtering elements, each of which selects spectral components from incoming optical signals at a wavelengths aligned to filter passbands. The selected spectral components may be optically...  
WO/2017/017965A1
An optical module that implements an MMI device including an optical hybrid primarily made of semiconductor material is disclosed. The MMI device, which has a rectangular plane shape and includes multi-mode couplers, is mounted on a carr...  
WO2017009939A1
A laser radar device (1) is provided with the following: a variable wavelength light source (2) that has a laser beam generator, and that can generate laser beams of various wavelengths; an optical antenna (8) that emits the laser beams ...  
WO/2017/006515A1
The purpose of the present invention is to implement a compact pluggable optical module used for digital coherent communication. A pluggable electric connector (11) is configured to be insertable into and removable from an optical transm...  
WO/2017/005604A1
The present invention relates to a light emitting apparatus. The apparatus comprises a high intensity light source (102) configured to emit light of a first wavelength (10); a beam shaping optical element (104) configured to redistribute...  
WO/2016/203683A1
The present invention makes it possible to store optical fibers, which connect components without exceeding a bending limit, inside the housing of a pluggable optical module. A pluggable electrical connector (11) is configured so as to b...  
WO/2016/205198A1
An optical link transmits light between a transmitter and a receiver. The transmitter includes a laser cavity that outputs a laser light signal. The laser cavity is configured such that the mode of the laser light signal hops during oper...  
WO/2016/203684A1
A pluggable optical module, wherein an optical fiber for connecting optical components is compactly stored inside a housing to which a plurality of optical components are mounted. A pluggable optical module (100) has a plurality of optic...  
WO/2016/198728A1
According to an example aspect, there is provided an apparatus comprising a fibre interface coupled, via a first waveguide, with at least one encoder, a controller configured to cause the at least one encoder to encode light received in ...  
WO/2016/194349A1
Provided is a coherent optical mixer circuit capable of measuring a phase error without disconnecting a delay circuit. An optical demodulation circuit including a multimode interference circuit with four inputs and four outputs, with the...  
WO/2016/184226A1
A method and device for implementing vibration monitoring. The method comprises: generating a nonlinear center wavelength signal associated with vibration change by means of a reflection spectrum (100); converting the generated nonlinear...  
WO/2016/143725A1
A coherent receiver 1 is provided with: a housing 2; a first multimode interferometer 40 that includes a first reference light input part 41 and a first signal light input part 42; a second multimode interferometer 50 that includes a sec...  
WO/2016/144416A1
This disclosure provides devices, apparatuses and methods of providing an optical filter 630a with quantum dot films for converting a first wavelength of light to a second wavelength of light. The optical filter includes a plurality of h...  
WO/2016/120262A1
The invention relates to an optoelectronic arrangement (1) with a semiconductor chip (2) which has an active region provided for generating radiation, wherein - a radiation conversion element (3) is arranged downstream of the semiconduct...  
WO/2016/115769A1
An all-optical tunable broadband linearly chirped signal generating device. The device comprises a mode-locked laser (1), a first optical coupler (2), a first optical filter (3), a first dispersion module (4), a second optical filter (5)...  
WO/2016/096073A1
The present invention relates to a polarized light emissive device and a method for its manufacture comprising a plural of fluorescent semiconductor quantum rods, and to a preparation thereof. The invention further relates to a use of th...  
WO/2016/063635A1
[Problem] To provide a method capable of easily compensating waveform distortion due to a non-linear effect caused by a complicated electric circuit, and a device for implementing the method. [Solution] Provided are a method capable of e...  
WO/2015/198327A1
The present invention provides an optically active structure and the use thereof in a backlight unit. The optically active structure comprises a plurality of optically active particles configured to emit light of one or more predetermine...  
WO/2015/198806A1
A light receiving circuit is provided with a substrate and an optical waveguide element formed on the substrate. The optical waveguide element has: a first light branching unit for dividing and propagating signal light in a first signal ...  
WO/2015/190097A1
In order to precisely know the light power of a received signal in a wide light input power range, a light reception device comprises: a reception unit that receives a coherent-modulated signal light and outputs a first electric signal t...  
WO/2015/188910A1
The present invention relates to polarized light emissive films, and to a preparation thereof. The invention also relates to use of the polarized light emissive film in an optical device. The invention further relates to an optical devic...  
WO/2015/161489A1
The embodiments of the present invention provide a nonlinear-effect-based pattern conversion method and pattern converter, relating to the field of optoelectronic communications; silicon waveguide or silicon nanowire cross-phase modulati...  
WO/2015/151597A1
A substrate-type optical waveguide element equipped with: a substrate; a core forming a first waveguide and a second waveguide arranged parallel to each other on the substrate; a cladding that covers the core and has a lower refractive i...  
WO/2015/133089A1
 The present invention provides an optical communication method using a phase modulation more capable of minimizing losses occurring in a transmitter than is conventionally possible. An optical communication method according to one emb...  
WO/2015/124953A1
A detector remodulator comprising a silicon on insulator (SOI) waveguide platform including: a detector coupled to a first input waveguide; a modulator coupled to a second input waveguide and an output waveguide; and an electrical circui...  
WO/2015/120598A1
Disclosed is a wavelength converter. The wavelength converter comprises a reception end and a sending end. The reception end comprises: a coherent detection front-end module, used for extracting a phase and polarization information of a ...  
WO/2015/087261A1
A wavelength converter includes first silicon waveguides (102) and second silicon waveguides (104) intersecting the first silicon waveguides (102) to form an arrayed waveguide (100). The arrayed waveguide (100) receives optical data sign...  
WO/2015/082500A1
The invention relates to a device (1) for the demodulation of a signal (E1) modulated onto an optical carrier, said device being characterised in that it comprises an optical loop (2) comprising: an optoelectronic (5) modulator suitable ...  
WO/2015/052937A1
This spectral compression device (100) performs spectral compression of an input optical signal and is provided with: a duplication unit (110) that generates at least two duplicate optical signals that are delayed by a discretionary inte...  
WO/2014/176690A1
There is described a grating structure having a specifically located domain-inverted region within each period. The grating structure has a plurality of segments, each one of the segments composed of a domain-inverted region surrounded b...  
WO/2014/153602A1
Disclosed herein is an optical device and a method for transferring information from a first light having a wavelength in an optical wavelength band to a second light having a wavelength in another optical wavelength band. The optical de...  
WO/2014/154684A1
The invention encompasses a device for the manipulation, more particularly frequency conversion, of electromagnetic radiation, more particularly of light, comprising components for structure formation (1) which are arranged with at least...  
WO/2014/118836A1
Provided is an optical function integration unit in which an active optical element and a passive optical element having a silicon waveguide can be easily integrated, and a method for producing same. An optical function integration unit ...  
WO/2014/112118A1
A frequency conversion device includes: a light conversion means that converts source modulated light into unmodulated light; and a frequency conversion means that converts the source modulated light into modulated light having a desired...  
WO/2014/097198A1
A dental implement (4) is presented that includes, in one embodiment, a light source (331) configured to emit an excitation light, and at least one optical unit for removing reflected excitation light and receiving a fluorescence light b...  
WO/2014/040141A1
Disclosed is a method for enhancing upconversion luminescence of rare-earth doped particles comprising a host material, an enriched concentration of activator (emitter) and a sufficient concentration level of sensitiser, the method compr...  
WO/2014/020669A1
A light receiving circuit has: a polarization beam splitting element (111) that separates inputted signal light (Sig) into two different polarization components (TM, TE); two variable optical attenuators (113, 114) that each adjust the a...  
WO/2013/136393A1
The present invention provides a polarization combiner and separator that has excellent polarization combining and separating characteristics, a polarization combining and separating structure, a light mixer, an optical modulator module,...  
WO/2013/132759A1
Provided is a planar light wave circuit and light receiver that, for a planar light wave circuit with a 90-degree optical hybrid, reduce the locations where waveguides intersect, increase the polarization-extinction ratio of light input ...  
WO/2013/105649A1
Provided is a light pulse generator that can efficiently use an entire band of an optical frequency comb that has been input to a chirp compensator in light pulse wave generation at a low drive voltage. According to the graph shown in FI...  
WO/2013/101429A1
Embodiments of the present invention generally relate to optical mode conversion by nonlinear effects. More specifically, embodiments of the present invention relate to nonlinear mode conversion utilizing intermodal four-wave mixing to c...  
WO/2013/075566A1
A tunable optical inverter based on amplitude modulation, including a laser (1), a first optical isolator (2) and a cyclic frequency shift module (3). The cyclic frequency shift module (3) consists of an optical coupler (31), an amplitud...  
WO/2013/075568A1
A tunable optical inverter based on phase modulation, including a laser (1), a first optical isolator (2) and a cyclic frequency shift module (3). The cyclic frequency shift module (3) consists of an optical coupler (31), a phase modulat...  

Matches 1 - 50 out of 3,120