Patent application number | Description | Published |
20130315536 | OPTICAL PRINTED CIRCUIT BOARD WITH TWO LIGHT WAVEGUIDE LAYERS OPTCALLY COUPLED TO EACH OTHER - An optical PCB includes a substrate layer, a first light waveguide layer and a second light waveguide layer. The first light waveguide layer and the second light waveguide layer are positioned on the substrate layer and are optically coupled with each other. The first light waveguide layer includes a first tapered end facing toward the second light waveguide layer, and the second light waveguide layer includes a second taped end facing toward the first light waveguide layer. The first light waveguide layer and the second light waveguide layer are optically coupled with each other via the first tapered end and the second tapered end. | 11-28-2013 |
20130322823 | OPTICAL WAVEGUIDE DIRECTIONAL COUPLER AND METHOD FOR MAKING SAME - An optical waveguide directional coupler includes a base having a planar member and a ridge member and an optical waveguide in the base. The ridge member extends from the planar member and has an upper surface where the optical waveguide exposed. The optical waveguide includes a first flat side surface, a second flat side surface parallel to the first flat side surface, a third flat side surface, a fourth flat side surface parallel to the third flat side surface, and a first flat connection side surface. An included angle θ1 between the first and third flat side surfaces is an obtuse angle, an included acute angle α1 is formed between the first flat connection side surface and the second flat side surface, and θ1 and α1 satisfy α1<(180°−θ1). | 12-05-2013 |
20140086546 | OPTICAL FIBER FIXING DEVICE - An optical fiber fixing device includes a substrate, a cover, a locking assembly, and a fixing plate. The substrate has a loading surface. A number of poles are positioned on the loading surface. Every two adjacent poles cooperate to form a receiving groove. The cover is rotatably connected to one end of the substrate. The fixing plate is positioned on the cover, and has a main body and a number of abutting portions extending from the main body. The abutting portions are corresponding to the receiving grooves respectively. Each abutting portion has two opposite abutting surfaces inclined with respect to the loading surface. Each abutting surface faces one of the poles, and thus the two abutting surface of each abutting portion cooperate with two corresponding poles and the loading surface to fix two optical fibers in the corresponding receiving groove. | 03-27-2014 |
20140126861 | FIXING DEVICE FOR OPTICAL FIBER DETECTION - An optical fiber fixing device includes a base, first fixing block and a second fixing block. The base includes an upper surface has a receiving groove and a groove which is connected with the receiving groove. The receiving groove receives an optical fiber connector, the optical fiber connector receives a plurality of optical fibers, and two ends of the optical fibers separately protrude out of the optical fiber connector. The groove has an optical detecting device, the detecting device defines a plurality of light apertures. The first fixing block is set on the upper surface, which is configured to fix the optical fiber connector into the receiving groove. The second fixing block is received in the groove, in order to fix the detecting device in the groove, the plurality of light apertures are aligned with the plurality of optical fibers. | 05-08-2014 |
20140133818 | OPTICAL FIBER FIXING DEVICE - An optical fiber fixing device includes a substrate, a first cover, a second cover, a first buffer, a second buffer, a first locking element, and a second locking element. The substrate includes a loading surface having a first receiving portion and a second receiving portion. The first receiving portion and the second receiving portion each define receiving grooves for receiving the optical fibers. The first cover and the second cover are rotatably connected to two opposite ends of the substrate. The first buffer is fixed to the first cover, and presses the optical fibers in the receiving grooves of the first receiving portion. The second buffer is fixed to the second cover, and presses the optical fibers in the receiving grooves of the second receiving portion. The first locking element locks the first cover and the substrate together. The second locking element locks the second cover and the substrate together. | 05-15-2014 |
20140147072 | ELECTRO-OPTIC MODULATOR - An electro-optic modulator includes a substrate, a Y-shaped waveguide, a ground electrode, a first modulating electrode, and a second modulating electrode. The substrate includes a top surface. The Y-shaped waveguide is implanted into the top surface, and includes a first branch and a second branch. The first branch is dedicated to the application of a transverse electric wave and the second branch is dedicated to the application of a transverse magnetic wave. The ground electrode, the first modulating electrode, and the third modulating electrode are all strip-shaped and positioned on the top surface. The first modulating electrode and the ground electrode are located at two sides of the first second branch, and the ground electrode covers the second branch. The second modulating electrode is located at a side of the second branch opposite to the first branch. | 05-29-2014 |
20140147073 | ELECTRO-OPTIC MODULATOR - An electro-optic modulator includes a substrate and a Y-shaped waveguide. The substrate has a top surface. The Y-shaped waveguide is formed in the top surface and includes a non-modulated branch and a modulated branch. The substrate defines two grooves in the top surface, separating the non-modulated branch and the modulated branch. | 05-29-2014 |
20140153858 | ELECTRO-OPTIC MODULATOR - An electro-optic modulator includes a substrate, a Y-shaped waveguide, a pair of first electrodes, and a pair of second electrodes. The substrate includes a top surface. The Y-shaped waveguide is embedded into the top surface, and includes a first branch and a second branch. The first branch is subjected to a transverse electric wave and the second branch is subjected to a transverse magnetic wave. The pair of first electrodes are positioned on the top surface and arranged at two sides of the first branch. The pair of second electrodes are positioned on the top surface. One of the second electrodes covers the second branch, and the other is arranged at a side of the second branch. | 06-05-2014 |
20140166614 | METHOD FOR MANUFACTURING RIDGE-TYPE WAVEGUIDE - In a method for manufacturing a ridge-type waveguide, a substrate is provided. An etching resistance stripe is coated on the substrate. The substrate with the etching resistance stripe is subjected to a wet etching process to form a ridge under the etching resistance stripe. The etching resistance stripe is removed. A titanium stripe is then coated onto the ridge and diffused into the ridge to form a waveguide in the ridge by a high temperature diffusing process. | 06-19-2014 |
20140169722 | ELECTRO-OPTIC MODULATOR - An electro-optic modulator includes a substrate including a top surface, a Y-shaped waveguide embedded into the top surface and including a first branch dedicated for transmitting transverse electric wave and a second branch dedicated for transmitting transverse magnetic wave, a ground electrode, a first modulating electrode, and a second modulating electrode. The top surface defines a first groove separating the first branch and the second branch, a second groove, and a third groove at a side of the second branch opposite to the first groove. The first modulating electrode and the ground electrode are located two sides of the first branch. The first modulating electrode covers a first sidewall of the second groove adjacent to the first branch. The ground electrode entirely covers the first groove and the second branch. The second modulating electrode covers a bottom surface of the third groove. | 06-19-2014 |
20140169725 | WAVEGUIDE LENS WITH MODULATING ELECTRODE AND GROUND ELECTRODES - A waveguide lens includes a substrate, a planar waveguide, a media grating, a modulating electrode, and two ground electrodes. The planar waveguide is formed on the substrate and is coupled to a laser light source which emits a laser beam into the planar waveguide. The media grating is formed on the planar waveguide and arranged along a direction that is substantially parallel with an optical axis of the laser beam. The modulating electrode is positioned on and covers the media grating. The ground electrodes are positioned on two sides of the planar waveguide and opposite to each other. The modulating electrode and the ground electrodes cooperatively change an effective refractive index of the planar waveguide to change an effective focal length of the diffractive waveguide lens, utilizing an electro-optical effect, when an electric field is applied thereto. | 06-19-2014 |
20140169726 | WAVEGUIDE LENS WITH MODULATING ELECTRODE AND GROUND ELECTRODES - A waveguide lens includes a substrate, a planar waveguide, a media grating, a modulating electrode, and two ground electrodes. The planar waveguide is formed on the substrate and is coupled with a laser light source which emits a laser beam into the planar waveguide. The media grating is formed on the planar waveguide. The modulating electrode is positioned on and covers the media grating. The ground electrodes are positioned on the planar waveguide and arranged at opposite sides of the media grating. The modulating electrode and the ground electrodes cooperatively change an effective refractive index of the planar waveguide to alter the effective focal length of the diffractive waveguide lens, utilizing an electro-optical effect, when an electric field is applied thereto. | 06-19-2014 |
20140169728 | WAVEGUIDE LENS INCLUDING PLANAR WAVEGUIDE AND MEDIA GRATING - A waveguide lens includes a substrate, a planar waveguide, a media grating, and a pair of electrodes. The planar waveguide is formed on the substrate and is coupled with a laser light source which emits a laser beam having a divergent angle into the planar waveguide. The media grating is formed on the planar waveguide and arranged along a direction that is substantially parallel with an optical axis of the laser beam. The electrodes are positioned on the planar waveguide and arranged at opposite sides of the media grating and flanking the optical axis. The electrodes change an effective refractive index of the planar waveguide, utilizing an electro-optical effect, when an electric field is applied thereto. | 06-19-2014 |
20140169738 | WAVEGUIDE LENS AND METHOD FOR MANUFACTURING SAME - A method for manufacturing a waveguide lens is provided. A substrate is provided. The substrate includes a top surface and a side surface. A planar waveguide is formed in the top surface. A mask is formed on the planar waveguide. The substrate is subjected to a wet etching process to remove portions of a layer of the planar waveguide which are revealed by the mask to form a media grating identical to the mask in shape in the planar waveguide. Another wet etching process is further applied to remove the mask to form the waveguide lens. | 06-19-2014 |
20140169739 | WAVEGUIDE LENS FOR COUPLING LASER LIGHT SOURCE AND OPTICAL ELEMENT - A waveguide lens includes a substrate, a planar waveguide, a media grating, a first electrode, and a second electrode. The planar waveguide is formed in the substrate and configured to couple with a laser light source that emits a laser beam into the planar waveguide along an optical axis. The media grating is formed on the planar waveguide and arranged symmetrically about a widthwise central axis that is collinear with the optical axis. The second electrode covers the media grating. The first electrode is attached to the substrate and opposite to the planar waveguide. Lengths and widths of the first electrode and the second electrode are substantially equal to a length and width of the media grating, and the first electrode and the second electrode are aligned with the media grating. | 06-19-2014 |
20140170568 | METHOD FOR MANUFACTURING WAVEGUIDE LENS - A method for manufacturing a waveguide lens is provided. A planar waveguide is provided, wherein the planar waveguide includes a top surface and a side surface perpendicularly connecting with the top surface, the side surface is coupled to a laser light source, and the laser light source emits a laser beam having a divergent angle and an optical axis substantially perpendicular to the side surface. A media film grating is formed on the top surface. The media film grating is made of a high refractive index material. The media film grating includes a plurality of parallel media film strips, each of which is substantially perpendicular to the side surface. A pair of strip-shaped electrodes is formed on the top surface and is arranged at opposite sides of the media film grating and the optical axis. The pair of strip-shaped electrodes is substantially parallel to the media film strips. | 06-19-2014 |
20140177996 | WAVEGUIDE LENS INCLUDING PLANAR WAVEGUIDE AND MEDIA GRATING - A waveguide lens includes a substrate, a planar waveguide, a media grating, a pair of first electrodes, and a pair of second electrodes. The planar waveguide is formed on the substrate and is coupled with a laser light source, which emits a laser beam having a divergent angle into the planar waveguide. The media grating is formed on the planar waveguide. The pair of first electrodes is configured to change an effective refractive index of the planar waveguide, utilizing an electro-optical effect, when a first modulating electric field is applied, where the effective refractive index is corresponding to a transverse electric wave. The pair of second electrodes is configured to change an effective refractive index of the planar waveguide, utilizing an electro-optical effect, when a second modulating electric field is applied, where the effective refractive index is corresponding to a transverse magnetic wave. | 06-26-2014 |
20140177997 | WAVEGUIDE LENS INCLUDING PLANAR WAVEGUIDE AND MEDIA GRATING - A waveguide lens includes a substrate, a pair of electrodes, a planar waveguide, and a grating. The planar waveguide is formed on the substrate and is coupled with a laser light source, which emits a laser beam having a divergent angle into the planar waveguide. The grating is formed on the planar waveguide. The laser light source is attached to a portion of the planar waveguide corresponding to the planar waveguide; the grating and the planar waveguide constitute a ridge-type waveguide lens to converge a laser beam into an optical element. The pair of electrodes is arranged at two opposite sides of the planar waveguide and is configured to change an effective refractive index of the planar waveguide, utilizing an electro-optical effect, when a modulating electric field is applied. | 06-26-2014 |
20140185985 | WAVEGUIDE LENS FOR COUPLING LASER LIGHT SOURCE AND OPTICAL ELEMENT - A waveguide lens includes a substrate, a planar waveguide, a media grating, and a pair of electrode. The planar waveguide is formed on the substrate and configured to couple with a laser light source that emits a laser beam into the planar waveguide along an optical axis. The media grating is formed on the planar waveguide and arranged symmetrically about a widthwise central axis that is collinear with the optical axis. The electrodes are formed on the substrate, positioned at two opposite sides of the waveguide lens, and arranged symmetrically about the optical axis. | 07-03-2014 |
20140185987 | WAVEGUIDE LENS FOR COUPLING LASER LIGHT SOURCE AND OPTICAL ELEMENT - A waveguide lens includes a substrate, a planar waveguide formed on the substrate and configured to couple with a laser light source that emits a laser beam into the planar waveguide along an optical axis, and a media grating film including two media gratings with a gap intervening therebwteen. Each media grating is symmetrical about a widthwise central axis. Each widthwise central axis and the optical axis are substantially parallel with each other and cooperatively define a plane that is substantially perpendicular to the planar waveguide. | 07-03-2014 |
20140219307 | COMBINED LASER LIGHT SOURCE - A combined laser light source includes a substrate, a waveguide, a first laser source, a second laser source, and a Bragg grating. The substrate includes a top surface, a first side surface, and a second side surface. The waveguide is formed in the top surface and includes a first branch and a second branch connecting with the first branch. The first laser source connects with an entrance of the first entrance and emits a first laser beam into the first branch. The second laser source connects with an entrance of the second entrance and emits a second laser beam into the second branch. The Bragg grating is formed at an interaction of the first branch and the second branch and is configured to reflect the second laser beam into the first branch. | 08-07-2014 |
20140219601 | POLARIZATION SPLITTER OF HIGH POLARIZATION EXTINCTION RATIO - A polarization splitter includes a substrate, an asymmetric Y-shaped waveguide, and a pair of strip-shaped electrodes. The substrate is made of a birefringence crystal and includes a surface. The Y-shaped waveguide is formed into the surface and includes an input section for transmitting both transverse electric wave and transverse magnetic wave, a first branch for only transmitting the transverse electric wave, and a second branch for only transmitting the transverse magnetic wave. The first branch and the second branch branch off the input section. The electrodes are positioned on the surface, arranged at two opposite sides of the input section and substantially parallel with a central axis of the input section. | 08-07-2014 |
20140307993 | ELECTRO-OPTIC MODULATOR - An electro-optic modulator includes a substrate having a top surface, and a waveguide having an input section, an output section, a first branch, and a second branch. The input section, the output section, and the first branch extends along a same straight line. | 10-16-2014 |
20140307994 | ELECTRO-OPTIC MODULATOR HAVING LARGE BANDWIDTH - An electro-optic modulator includes a substrate, a waveguide lens, a waveguide, and electrodes. The waveguide lens and the waveguide are formed inside the substrate. The waveguide connects the waveguide lens and includes a first branch and a second branch. The electrodes are configured to modulate outputs of the waveguide lens and the waveguide. | 10-16-2014 |
20140314364 | ELECTRO-OPTIC MODULATOR HAVING HIGH EXTINCTION RATIO WHEN FUNCTIONING AS SWITCH - An electro-optic modulator includes a substrate, a Y-shaped waveguide, and a pair of first electrodes and a pair of second electrodes. The waveguide is formed in the substrate and includes a first Y-shaped section and a second Y-shaped section. The pair of first electrodes and the pair of second electrodes are formed on the substrate and receive voltages which modulate the first and second sections such that outputs of the first and second sections are equal to each other and an improved extinction ratio is thus obtained. | 10-23-2014 |
20140314365 | ELECTRO-OPTIC MODULATOR - Electro-optic modulator includes a substrate, a waveguide formed in a top surface of the substrate, a pair of first modulating electrodes and a pair of second modulating electrodes. The waveguide includes a Y-shaped incident member, a Y-shaped output member, first and second connection members. The Y-shaped incident member includes an incident portion, first and second incident branches. The Y-shaped output member includes an output portion, a first and second output branches. The first connection member includes a first non-modulated branch and a first modulated branch. The second connection member includes a second non-modulated branch and a second modulated branch. The first non-modulated branch and the first modulated branch are interconnected between the first incident branch and the first output branch in parallel. The second non-modulated branch and the second modulated branch are interconnected between the second incident branch and the second output branch in parallel. | 10-23-2014 |
20140321790 | ELECTRO-OPTICAL MODULATOR HAVING HIGH EXTINCTION RATIO WHEN FUNCTIONING AS SWITCH - An electro-optic modulator includes a substrate, an end-to-end Y-shaped waveguide for optical divergence and convergence, and electrodes. The waveguide is formed in the substrate and the electrodes are formed in the substrate and received voltages act to modulate first and second sections of the waveguide such that the optical output by the first and second sections are equal or opposite to each other in all necessary respects regarding phase and amplitude. | 10-30-2014 |
20140321791 | ELECTRO-OPTIC MODULATOR HAVING HIGH EXTINCTION RATIO WHEN FUNCTIONING AS SWITCH - An electro-optic modulator includes a substrate, a Y-shaped waveguide, and electrodes. The waveguide is formed in the substrate with diverging and reconverging portions. The electrodes are formed in the substrate to sandwich the diverged portions of the waveguide and receive voltages which modulate each branch of the Y shaped waveguide such that power outputs of branches of the Y shape are precisely synchronized and an improved extinction ratio thus obtained. | 10-30-2014 |
20140321792 | ELECTRO-OPTICAL MODULATOR HAVING HIGH EXTINCTION RATIO WHEN FUNCTIONING AS SWITCH - An electro-optic modulator includes a substrate, an end-to-end Y-shaped waveguide for optical divergence and convergence, and electrodes. The waveguide is formed in the substrate and the electrodes are formed to substantially sandwich the waveguide in the substrate and voltages applied to the electrodes act to modulate first and second sections of the waveguide such that the optical outputs by the first and second sections are equal or opposite to each other in all necessary respects regarding phase and amplitude, and an improved extinction ratio thus obtained. | 10-30-2014 |
20140321793 | ELECTRO-OPTIC MODULATOR - An electro-optic modulator includes a substrate having a polarization inversion region whose polarization is inverted, and a waveguide embedded in the substrate and including a first branch and a second branch. A portion of the first branch is embedded in the polarization inversion region. | 10-30-2014 |
20140321794 | ELECTRO-OPTIC MODULATOR OF LARGE BANDWIDTH - An electro-optic modulator includes a substrate, a waveguide lens, a Y-shaped waveguide, and electrodes. The waveguide lens and the Y-shaped waveguide are formed in the substrate. The Y-shaped waveguide connects the waveguide lens and includes a first section dedicated for transmitting TE mode and a second section dedicated for transmitting TM mode. The electrodes are configured to modulate outputs of the waveguide lens, the first section, and the second section. | 10-30-2014 |
20140321795 | ELECTRO-OPTICAL MODULATOR AND METHOD FOR MAKING THEREOF - A low-voltage optical modulator includes a substrate, a waveguide, a first pair of electrodes, and a second pair of electrodes. The waveguide is diffused into the top surface of the substrate, into a major branch and a parallel modulating branch. A structure of the first and second pair of electrodes are same. The first pair of electrodes includes a first and a second electrode parallel to each other. The first electrode is formed on the modulating branch and the second electrode is opposite to the modulating branch and away from the major branch. The second pair of electrodes includes parallel third and fourth electrodes. The third electrode is formed on the major branch. The fourth electrode is opposite to the major branch and away from the modulating branch. | 10-30-2014 |
20140353996 | VACUUM-LIFTING DEVICE FOR ASSEMBLING AND TESTING OPTICAL CONNECTOR - A vacuum-lifting device includes a holding block and a nozzle. The holding block defines a holding hole and a threaded hole communicating with the holding hole. The nozzle includes a first section that is slidably received in the holding hole and a second section. The second section extends from the first section and has an outer diameter smaller than an outer diameter of the first section. | 12-04-2014 |
20140355923 | ELECTRO-OPTIC MODULATOR HAVING RIDGE WAVEGUIDE STRUCTURE - A ridge waveguide structure includes a substrate having a top surface; a ridge structure protruding from the top surface; and a waveguide formed in the ridge structure and a shape of the waveguide is corresponding to a shape of the ridge structure; the ridge structure includes a Y-shaped input section and a Y-shaped output section, the Y-shaped input section includes a total input section, a first branch and a second branch, the first branch and the second branch are diverged from the total input section and converged into the Y-shaped output section. The relation also relates to an electro-optic modulator. | 12-04-2014 |