DR. XIAODONG YANG, MD
Osteopathic Medicine at 96 St, New York, NY

2011024, Oct 13, 2011

Jul 20, 2009

13/054784

Chee Wei Wong - New York NY, US
Xiaodong Yang - New york NY, US
James F. McMillan - New york NY, US

The Trustees of Columbia University in the City of New York - New York NY

H01S 3/30, H01J 9/00

372 3, 445 23

Provided herein are certain embodiments of systems, methods and devices for Raman lasers based on micro-ring and mircro-racetrack resonators, and the manufacturing thereof. For example, a device can be provided which is structured to receive an electro-magnetic radiation including a resonator arrangement which has a distance from one edge thereof to another edge thereof of at most approximately a wavelength of the electro-magnetic radiation that impacts the resonator arrangement. According to some embodiments, the resonator arrangement can be configured to generate a Raman radiation when impacted by a further electro-magnetic radiation. In some embodiments, the resonator arrangement can solely generate the Raman radiation which is lasing, which Raman radiation can be generated by the resonator arrangement in a continuous mode and/or a pulsed lasing mode. The resonator arrangement can generate the Raman radiation which is lasing without a use of an external electrical driver.

8017419, Sep 13, 2011

Feb 25, 2009

12/392634

Xiaodong Yang - New York NY, US
Chee Wei Wong - New York NY, US

The Trustees of Columbia University in the City of New York - New York NY

H01L 21/00, H01S 3/083

438 31, 438 29, 438 32, 372 94

Methods of manufacturing a lasing device are provided by some embodiments, the methods including: creating a silicon micro ring with a predetermined radius and a predetermined first cross-sectional dimension; creating a silicon waveguide with a predetermined second cross-sectional dimension, the silicon waveguide spaced from the silicon micro ring by a predetermined distance; and wherein the predetermined distance, the predetermined radius, the predetermined first cross-sectional dimension, and the predetermined second cross-sectional dimension are determined so that at least one first whispering gallery mode resonant frequency of the silicon micro ring and at least one second whispering gallery mode resonant frequency of the silicon micro ring are separated by an optical phonon frequency of silicon.

7869470, Jan 11, 2011

Aug 31, 2006

12/065406

Chee Wei Wong - New York NY, US
James F. McMillan - New York NY, US
Xiaodong Yang - New York NY, US
Richard Osgood, Jr. - Chappaqua NY, US
Jerry Dadap - Red Bank NJ, US
Nicolae C. Panoiu - Barnet, GB

The Trustees of Columbia University in the City of New York - New York NY

H01S 3/30

372 3

Devices and methods for providing stimulated Raman lasing are provided. In some embodiments, devices include a photonic crystal that includes a layer of silicon having a lattice of holes and a linear defect that forms a waveguide configured to receive pump light and output Stokes light through Raman scattering, wherein the thickness of the layer of silicon, the spacing of the lattice of holes, and the size of the holes are dimensioned to provide Raman lasing. In some embodiments, methods include forming a layer of silicon, and etching the layer of silicon to form a lattice of holes with a linear defect that forms a waveguide configured to receive pump light and output Stokes light through Raman scattering, wherein the thickness of the layer of silicon, the spacing of the lattice of holes, and the size of the holes are dimensioned to provide Raman lasing.

8287642, Oct 16, 2012

Nov 17, 2010

12/948706

Chee Wei Wong - New York NY, US
James F. McMillan - New York NY, US
Xiaodong Yang - New York NY, US
Richard Osgood, Jr. - Chappaqua NY, US
Jerry Dadap - Red Bank NJ, US
Nicolae Panoiu - Bronx NY, US

The Trustees of Columbia University in the City of New York - New York NY

C30B 29/06

117 2, 117 3, 117 8, 117 9, 117935

Devices and methods for providing stimulated Raman lasing are provided. In some embodiments, devices include a photonic crystal that includes a layer of silicon having a lattice of holes and a linear defect that forms a waveguide configured to receive pump light and output Stokes light through Raman scattering, wherein the thickness of the layer of silicon, the spacing of the lattice of holes, and the size of the holes are dimensioned to provide Raman lasing. In some embodiments, methods include forming a layer of silicon, and etching the layer of silicon to form a lattice of holes with a linear defect that forms a waveguide configured to receive pump light and output Stokes light through Raman scattering, wherein the thickness of the layer of silicon, the spacing of the lattice of holes, and the size of the holes are dimensioned to provide Raman lasing.

2010027, Oct 28, 2010

Jun 16, 2008

12/664627

Chee Wei Wong - New York NY, US
Xiaodong Yang - New York NY, US
Charlton Chen - New York NY, US
Chad Husko - New York NY, US

Columbia University - New York NY

G21K 5/02, G02B 6/10, B05D 5/06

2505031, 385131, 427162, 977890, 977880, 977834, 977774, 977902

Some embodiments of the disclosed subject matter provide systems, devices, and methods for tuning resonant wavelengths of an optical resonator. Some embodiments of the disclosed subject matter provide systems, devices, and methods for tuning dispersion properties of photonic crystal waveguides. In some embodiments, methods for tuning a resonant wavelength of an optical resonator are provided, the methods including: providing an optical resonator having a surface; determining an initial resonant wavelength emitted by the optical resonator in response to an electromagnetic radiation input; determining a number of layers of dielectric material based on a difference between the initial resonant wavelength and a target resonant wavelength and a predetermined tuning characteristic; and applying the determined number of layers of dielectric material to the surface of the optical resonator to tune the initial resonant wavelength to a tuned resonant wavelength.

7532656, May 12, 2009

Feb 15, 2006

11/354725

Xiaodong Yang - New York NY, US
Chee Wei Wong - New York NY, US

The Trustees of Columbia University in the City of New York - New York NY

H01S 3/083

372 94, 372 30, 372 66

Devices for generating a laser beam are disclosed. The devices include a silicon micro ring having at least one silicon optical waveguide disposed at a distance from the micro ring. The radius and the cross-sectional dimension of the microring, the cross-sectional dimension of the waveguide, and the distance between the micro ring and the waveguide are determined such that one or more pairs of whispering gallery mode resonant frequencies of the micro ring are separated by an optical phonon frequency of silicon. Methods of manufacturing a lasing device including a silicon micro ring coupled with a silicon waveguide are also disclosed.

7346251, Mar 18, 2008

Apr 18, 2006

11/405732

Ranojoy Bose - Flushing NY, US
Chee Wei Wong - New York NY, US
Xiaodong Yang - New York NY, US

The Trustees of Columbia University in the City of New York - New York NY

G02B 6/10

385129, 359332

Devices and methods of manufacturing; for emitting substantially white light using a photonic crystal are described. The photonic crystal has a lattice of air holes and is made from a substrate containing quantum dots. The substrate is etched with three defects that are optically coupled together so that each emits only certain frequencies of light. In combination, the defects can produce substantially white light. The parameters of the photonic crystal are dimensioned so as to cause the coupling between the defects to produce substantially white light.

8207002, Jun 26, 2012

Aug 2, 2011

13/196674

Xiaodong Yang - New York NY, US
Chee Wei Wong - New York NY, US

The Trustees Of Columbia University In The City Of New York - New York NY

H01L 21/00, H01S 3/083

438 31, 438 29, 372 64, 372 30

Devices for generating a laser beam are disclosed. The devices include a silicon micro ring having at least one silicon optical waveguide disposed at a distance from the micro ring. The radius and the cross-sectional dimension of the micro ring, the cross-sectional dimension of the waveguide, and the distance between the micro ring and the waveguide are determined such that one or more pairs of whispering gallery mode resonant frequencies of the micro ring are separated by an optical phonon frequency of silicon. Methods of manufacturing a lasing device including a silicon micro ring coupled with a silicon waveguide are also disclosed.