1
Anthony S Kewitsch, George A Rakuljic, Doruk Engin, Seth J Greenberg, Phil A Willems, Xiaolin Tong: Methods of fabricating grating assisted coupler devices. Arroyo Optics, Jones Tullar & Cooper P C, January 2, 2001: US06169830 (22 worldwide citation)


Advantageous methodologies are disclosed for embedding periodic patterns in optical waveguide elements such as optical fibers. Polarization independence in an elongated waist region of an add/drop coupler can be established by measuring polarization characteristics during fusion and elongation, and ...


2
Anthony S Kewitsch, George A Rakuljic, Phil A Willems, Xiaolin Tong: Grating assisted coupler devices. Arroyo Optics, Jones Tullar & Cooper P C, May 22, 2001: US06236782 (21 worldwide citation)


An add/drop filter for optical wave energy incorporates a Bragg grating in a very narrow waist region defined by merged lengths of elongated optical fibers. Light is propagated into the waist region via adiabatically tapered fibers and is transformed from two longitudinally adjacent fibers into two ...


3
Xiaolin Tong, Anthony S Kewitsch, George A Rakuljic: Fabrication of photosensitive strong grating couplers. Arroyo Optics, Jones Tullar & Cooper PC, August 5, 2003: US06603903 (12 worldwide citation)


Systems devices and methods in accordance with the invention impart high strength index of refraction patterns to photosensitive optical devices, such as Bragg gratings written in optical fibers. A length of small diameter fiber retaining photosensitivity is fabricated by flame elongation of an opti ...


4
Anthony S Kewitsch, George A Rakuljic, Doruk Engin, Seth J Greenberg, Phil A Willems, Xiaolin Tong: Methods of fabricating grating assisted coupler devices. Arroyo Optics, Jones Tullar & Cooper P C, October 15, 2002: US06465153 (11 worldwide citation)


Advantageous methodologies are disclosed for embedding periodic patterns in optical waveguide elements such as optical fibers. Polarization independence in an elongated waist region of a coupler can be established by measuring polarization characteristics during fusion and elongation, and controllin ...


5
Anthony S Kewitsch, George A Rakuljic, Phil A Willems, Xiaolin Tong: Grating assisted coupler devices. Arroyo Optics, Jones Tullar & Cooper P C, June 17, 2003: US06578388 (9 worldwide citation)


An add/drop filter for optical wave energy incorporates a Bragg grating in a very narrow waist region defined by merged lengths of elongated optical fibers. Light is propagated into the waist region via adiabatically tapered fibers and is transformed from two longitudinally adjacent fibers into two ...


6
Xiaolin Tong, Shing Wu P Tzeng, Hua Zhang, Randall Blair: High speed free space optical detection with grating assisted waveguide. OWLink Technology, Fenwick & West, September 2, 2008: US07421163 (4 worldwide citation)


A grating assisted optical waveguide for use in free space optical detection is disclosed. High speed, high sensitivity, large field of view, and relaxed tolerance on alignment are enabled. The grating converts a free space incoming optical beam into guided mode. Converted optical signals propagate ...


7
Xiaolin Tong, Shing Wu P Tzeng, Randall Blair, Todd Hu: Bidirectional HDCP module using single optical fiber and waveguide combiner/splitter. Owlink Technology, Fenwick & West, July 15, 2008: US07400801 (1 worldwide citation)


Embodiments provide single fiber bidirectional HDCP modules. A signal fiber module includes at least one laser and at least one detector and a waveguide combiner/splitter. An optical fiber is used as a cylindrical lens in order to partially collimate in the vertical axis the optical signals entering ...


8
Gang Paul Chen, Avishay Eyal, Anthony S Kewitsch, Victor Leyva, William K Marshall, George A Rakuljic, Xiaolin Tong, Xian Li Yeh, Don Zambos: Interleaver filters employing non-birefringent elements. Jones Tullar & Cooper PC, July 4, 2002: US20020085252-A1 (1 worldwide citation)


Interleavers for optical systems, including multiplexers and demultiplexers, are based on the use of non-birefringent elements in combination with polarization beam splitter to provide differential retardation effects for generation of precise transmittance functions. The retardation elements, in on ...


9
Xiaolin Tong, Yonghong Zhu, Shuiping Zhou, Xiuhui E, Shuangming Wang, Zhongting Xia: Pharmaceutical composition for treating diabetes and its process for preparation. Tasly Pharmaceutical Group, Ladas & Parry, January 28, 2014: US08637092


The present invention relates to methods for preparing a pharmaceutical composition for treating diabetes mellitus and the pharmaceutical composition prepared by the methods. The pharmaceutical composition of the present invention comprises extracts of the following crude drugs: 5-40 weight parts of ...


10
Garry Dukes, Xiaolin Tong, Everett Poffenberger, Junxing Cao, Xin Yang: Devices and methods for modular optical cabling systems. Lastar, K David Crockett Esq, Paul J Backofen Esq, Crockett & Crockett PC, February 7, 2017: US09564971


A modular optical cabling system converts and transmits digital electronic signals from a source such as a computer to any suitable target device such as a display or a projector through an optical backbone. A modular transmitting unit connects the source to a modular optical cable and converts the ...



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