Patents by Inventor Chung-Yung Wang
Chung-Yung Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20120008896Abstract: The present invention relates to an integrate optics for multiplexer transceiver module, comprising: a substrate, a multiplexer, a first waveguide coupling device, a second waveguide coupling device and a third waveguide coupling device. In the present invention, the semiconductor materials and the semiconductor process are used to integrate variety of optical devices on a single semiconductor substrate (chip) by way of modular design and miniaturization, so as to carry out an integrated optics communication framework with high efficiency and low cost. Moreover, in the present invention, a plurality of optical receivers are integrated on the substrate by means of flip-chip bonding, so that, not only the objective of integrating the optical devices is accomplished but also the intensity of laser optical signal is increased.Type: ApplicationFiled: June 10, 2011Publication date: January 12, 2012Applicant: NATIONAL TSING-HUA UNIVERSITYInventors: Ming-Chang Lee, Kai-Ning Ku, Chung-Yung Wang, Kuo-Chung Huang, Tsung-Chi Hsu, Chung-Hsin Fu, Lin-Yu Tai
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Publication number: 20090290613Abstract: An external cavity laser assembly includes an external chirped exit reflector configured to reduce changes in reflectivity, thereby improving linearity. The chirped exit reflector may be configured to provide a reflectivity profile with a substantially flat peak portion, for example, as compared to the reflectivity profile of a uniform period fiber Bragg grating. The chirped exit reflector may also be configured such that an optical cavity length of the external cavity laser is shorter for higher wavelengths, thereby reducing wavelength fluctuations and changes in reflectivity caused by wavelength fluctuations.Type: ApplicationFiled: May 21, 2008Publication date: November 26, 2009Applicant: APPLIED OPTOELECTRONICS, INC.Inventors: Jun Zheng, Chung-Yung Wang, Hung-Lun Chang
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Patent number: 7519260Abstract: An optoelectronic device separation apparatus may include a first and second clamp members configured to grip coaxial portions of an optoelectronic device. In one embodiment, the clamp members grip a housing portion and a fiber pigtail portion, respectively. The clamp members are configured to rotate relative to each other about an axis that is generally coaxial with the axis of the coaxial portions of the optoelectronic device. A force may be applied to the clamp members to provide such rotation, thereby causing the coaxial portions of the optoelectronic device to separate, for example, along weld points coupling the portions of the optoelectronic device together. Of course, many alternatives, variations and modifications are possible without departing from this embodiment.Type: GrantFiled: December 28, 2007Date of Patent: April 14, 2009Assignee: Applied Optoelectronics, Inc.Inventors: Kai-Sheng Lin, Chung-Yung Wang, Hung-Lun Chang, Limin Chen, Chian-Hung Chen
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Publication number: 20090016683Abstract: An angle-polished optical fiber may be mounted relative to a laser at an off-axis angle to allow coupled light from a laser to be substantially aligned with the axis of the fiber core. An angled fiber ferrule may facilitate providing the off-axis angle when coupling the angle-polished optical fiber to a laser package. The angled fiber ferrule includes a through hole including at least a portion that is off-axis. The axis of the off-axis portion of the through hole is angled at the off-axis angle with respect to an axis of the ferrule body portion.Type: ApplicationFiled: July 10, 2007Publication date: January 15, 2009Applicant: APPLIED OPTOELECTRONICS, INC.Inventors: Jun Zheng, Chung-Yung Wang
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Patent number: 7226218Abstract: A laser module having a laser optically coupled with an optical fiber via a collimating lens and a focusing lens is formed. The laser is mounted in a laser housing so that its laser light output is directed toward a laser housing wall opening in a laser housing wall of the laser housing. A lens-fiber housing having a lens installed in a first end thereof and a light-receiving input end of the fiber disposed in a bore at a second end thereof is provided. The lens and input end of the fiber form a collimator. The lens-fiber housing is mounted from the outside of the laser housing to the laser housing wall to receive collimated light transmitted from inside the laser housing through the laser housing wall opening. The collimating lens is actively aligned in the laser housing, between the laser and the laser housing wall opening, to determine an aligned position. The collimating lens is secured in the laser housing at the aligned position.Type: GrantFiled: September 10, 2004Date of Patent: June 5, 2007Assignee: Applied Optoelectronics, Inc.Inventors: Chung-Yung Wang, Hung-Lun Chang
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Publication number: 20060056777Abstract: A laser module having a laser optically coupled with an optical fiber via a collimating lens and a focusing lens is formed. The laser is mounted in a laser housing so that its laser light output is directed toward a laser housing wall opening in a laser housing wall of the laser housing. A lens-fiber housing having a lens installed in a first end thereof and a light-receiving input end of the fiber disposed in a bore at a second end thereof is provided. The lens and input end of the fiber form a collimator. The lens-fiber housing is mounted from the outside of the laser housing to the laser housing wall to receive collimated light transmitted from inside the laser housing through the laser housing wall opening. The collimating lens is actively aligned in the laser housing, between the laser and the laser housing wall opening, to determine an aligned position. The collimating lens is secured in the laser housing at the aligned position.Type: ApplicationFiled: September 10, 2004Publication date: March 16, 2006Inventors: Chung-Yung Wang, Hung-Lun Chang
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Publication number: 20060056778Abstract: A laser module for optically coupling a laser for generating laser light with an optical fiber having a light-receiving end. A laser assembly has a laser housing comprising a laser housing wall having a laser housing wall opening. A laser is mounted in the laser housing so that its laser light output is directed toward the laser housing wall opening. A lens assembly has a lens housing and a lens mounted in an opening in a first end of the lens housing. The lens housing has a flange protruding from a second end opposite the first end and lens housing walls between the first and second ends of the lens housing. The lens housing walls have a cross-sectional profile smaller than the laser housing wall opening so that the lens housing can be inserted at its first end into the laser housing wall opening and the flange is larger than the laser housing wall opening.Type: ApplicationFiled: September 10, 2004Publication date: March 16, 2006Inventors: Chung-Yung Wang, Hung-Lun Chang
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Patent number: 7010013Abstract: An assembly for improved alignment of a laser for generating laser light with an optical fiber having an end section terminating in a light-receiving end. A laser housing has a base and substantially cylindrical housing walls mounted at a bottom portion to the base. The laser can be mounted on the base. The substantially cylindrical internal surface of the cylindrical housing walls have internal threads at a top portion. The internal threads have a minor diameter and a major diameter. An annular ferrule housing has a substantially cylindrical through-hole with an inner diameter sufficient to receive a fiber ferrule which has the end section of the fiber disposed therein. The ferrule housing further has an axially tapered external surface having external threads which are threadably compatible with the internal threads.Type: GrantFiled: May 2, 2003Date of Patent: March 7, 2006Assignee: Applied Optoelectronics, Inc.Inventors: Chung-Yung Wang, Hung-Lun Chang
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Publication number: 20040218656Abstract: An assembly for improved alignment of a laser for generating laser light with an optical fiber having an end section terminating in a light-receiving end. A laser housing has a base and substantially cylindrical housing walls mounted at a bottom portion to the base. The laser can be mounted on the base. The substantially cylindrical internal surface of the cylindrical housing walls have internal threads at a top portion. The internal threads have a minor diameter and a major diameter. An annular ferrule housing has a substantially cylindrical through-hole with an inner diameter sufficient to receive a fiber ferrule which has the end section of the fiber disposed therein. The ferrule housing further has an axially tapered external surface having external threads which are threadably compatible with the internal threads.Type: ApplicationFiled: May 2, 2003Publication date: November 4, 2004Applicant: APPLIED OPTOELECTRONICS, INC.Inventors: Chung-Yung Wang, Hung-Lun Chang
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Patent number: 6736550Abstract: A lens-fiber alignment housing for passively aligning an optical fiber with a lens, for improved alignment of a laser with the fiber, via the lens. The fiber is disposed in a substantially cylindrical, annular ferrule, the bottom end of which is disposed in the first end of a ferrule sleeve. The housing has an upper cylindrical mating section at a first end for mating with the second end of the ferrule sleeve, and a bottom lens-receiving section for securely receiving and mounting a lens. The lens may be mounted into the lens-receiving section of the housing, so that, when the housing is inserted into the second end of the ferrule sleeve, the lens and fiber are automatically, passively aligned, thereby forming an aligned lens-fiber assembly that can be aligned with the laser in a single active alignment procedure.Type: GrantFiled: July 31, 2003Date of Patent: May 18, 2004Assignee: Applied Optoelectronics, Inc.Inventors: Chung-Yung Wang, Hung-Lun Chang
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Patent number: 6652707Abstract: Demounting workpieces attached to an adhesive surface of an adhesive film with a workpiece demounting apparatus having a base and a plurality of substantially parallel blades mounted to the base. Each of the blades has a substantially linear blade edge, each blade edge lying within a blade-edge plane that is substantially perpendicular to the blades. The spacing between the blades is small enough to support said workpieces and large enough to permit the adhesive film to pass between the blades after being cut by said blade edges during a workpiece demounting operation. The plurality of blade edges thus provides a substantially planar blade-edge surface, in the blade-edge plane, for cutting the adhesive film and for supporting the workpieces while the adhesive film is pulled free from said workpieces.Type: GrantFiled: April 29, 2002Date of Patent: November 25, 2003Assignee: Applied Optoelectronics, Inc.Inventors: Brian Ishaug, Chung-Yung Wang, Hung-Lun Chang
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Publication number: 20030201066Abstract: Demounting workpieces attached to an adhesive surface of an adhesive film with a workpiece demounting apparatus having a base and a plurality of substantially parallel blades mounted to the base. Each of the blades has a substantially linear blade edge, each blade edge lying within a blade-edge plane that is substantially perpendicular to the blades. The spacing between the blades is small enough to support said workpieces and large enough to permit the adhesive film to pass between the blades after being cut by said blade edges during a workpiece demounting operation. The plurality of blade edges thus provides a substantially planar blade-edge surface, in the blade-edge plane, for cutting the adhesive film and for supporting the workpieces while the adhesive film is pulled free from said workpieces.Type: ApplicationFiled: April 29, 2002Publication date: October 30, 2003Applicant: APPLIED OPTOELECTRONICS, INC.Inventors: Brian Ishaug, Chung-Yung Wang, Hung-Lun Chang
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Patent number: 6524018Abstract: An optical assembly includes a light source, a support member and a receptacle. The support member is made of plastic, forming a first junction surface. The light source is contained in the support member. The receptacle is made of metal or plastic forming a second junction surface. The receptacle is attached to the support member with the second junction surface positioned on the first junction surface. A resistance wire is positioned in the support member surrounding the aperture and proximate the first junction surface. Two terminals of the wire extend outside the support member for being coupled to an external power source. To assemble the optical assembly, the receptacle and the support member are mounted in an aligning apparatus which operates to adjust the relative position between the receptacle and the support member.Type: GrantFiled: March 1, 2001Date of Patent: February 25, 2003Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Chung Yung Wang, Hung Lun Chang, Hsiang-Jui Wang
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Publication number: 20020122638Abstract: An optical assembly includes a light source, a support member and a receptacle. The support member is made of plastic, forming a first junction surface. The light source is contained in the support member. The receptacle is made of metal or plastic forming a second junction surface. The receptacle is attached to the support member with the second junction surface positioned on the first junction surface. A resistance wire is positioned in the support member surrounding the aperture and proximate the first junction surface. Two terminals of the wire extend outside the support member for being coupled to an external power source. To assemble the optical assembly, the receptacle and the support member are mounted in an aligning apparatus which operates to adjust the relative position between the receptacle and the support member.Type: ApplicationFiled: March 1, 2001Publication date: September 5, 2002Inventors: Chung Yung Wang, Hung Lun Chang, Hsiang-Jui Wang