James N. Walpole

Person

Concord, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Large modal volume semiconductor laser system with spatial mode filter
- Patent number 7,106,773
- Issue date Sep 12, 2006
- James N. Walpole
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stab-coupled optical waveguide laser and amplifier
- Patent number 6,928,223
- Issue date Aug 9, 2005
- Massachusetts Institute of Technology
- James N. Walpole
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Large modal volume semiconductor laser system with spatial mode filter
- Patent number 6,804,281
- Issue date Oct 12, 2004
- James N. Walpole
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compact micro-optical edge-emitting semiconductor laser assembly
- Patent number 5,757,830
- Issue date May 26, 1998
- Massachusetts Institute of Technology
- Zong-Long Liau
- G02 - OPTICS
Information Patent Grant
Tapered semiconductor laser oscillator
- Patent number 5,555,544
- Issue date Sep 10, 1996
- Massachusetts Institute of Technology
- James N. Walpole
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tapered semiconductor laser gain structure with cavity spoiling gro...
- Patent number 5,400,353
- Issue date Mar 21, 1995
- Massachusetts Institute of Technology
- James N. Walpole
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tapered semiconductor laser gain structure with cavity spoiling gro...
- Patent number 5,260,822
- Issue date Nov 9, 1993
- Massachusetts Institute of Technology
- Leo J. Missaggia
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reliable AlInGaAs/AlGaAs strained-layer diode lasers
- Patent number 5,216,684
- Issue date Jun 1, 1993
- Massachusetts Institute of Technology
- Christine A. Wang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Multiple-laser pump optical system
- Patent number 5,185,758
- Issue date Feb 9, 1993
- Massachusetts Institute of Technology
- Tso Y. Fan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microchannel heat sink with alternating flow directions
- Patent number 5,099,910
- Issue date Mar 31, 1992
- Massachusetts Institute of Technology
- James N. Walpole
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Multiple-laser pump optical system
- Patent number 5,081,637
- Issue date Jan 14, 1992
- Massachusetts Institute of Technology
- Tso Y. Fan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of forming a surface emitting laser
- Patent number 4,990,465
- Issue date Feb 5, 1991
- Massachusetts Institute of Technology
- Zong-Long Liau
- G02 - OPTICS
Information Patent Grant
Surface emitting laser with monolithic integrated lens
- Patent number 4,935,939
- Issue date Jun 19, 1990
- Zong-Long Liau
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface emitting laser
- Patent number 4,894,840
- Issue date Jan 16, 1990
- Massachusetts Institute of Technology
- Zong-Long Liau
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method forming surface emitting diode laser
- Patent number 4,784,722
- Issue date Nov 15, 1988
- Massachusetts Institute of Technology
- Zong-Long Liau
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for making a mesa GaInAsP/InP distributed feedback laser
- Patent number 4,777,148
- Issue date Oct 11, 1988
- Massachusetts Institute of Technology
- Zong-Long Liau
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
GaInAsP/InP distributed feedback laser
- Patent number 4,722,092
- Issue date Jan 26, 1988
- Massachusetts Institute of Technology
- Zong-Long Liau
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface emitting diode laser
- Patent number 4,718,070
- Issue date Jan 5, 1988
- Massachusetts Institute of Technology
- Zong-Long Liau
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Intra-cavity loss-modulated diode laser
- Patent number 4,563,765
- Issue date Jan 7, 1986
- Massachusetts Institute of Technology
- Dean Z. Tsang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
GaInAsP/InP Double-heterostructure lasers
- Patent number 4,468,850
- Issue date Sep 4, 1984
- Massachusetts Institute of Technology
- Zong-Long Liau
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Slab-coupled optical waveguide laser and amplifier
- Publication number 20020051615
- Publication date May 2, 2002
- James N. Walpole
- H01 - BASIC ELECTRIC ELEMENTS

James N. Walpole

Person

Patents Grantslast 30 patents

Large modal volume semiconductor laser system with spatial mode filter

Stab-coupled optical waveguide laser and amplifier

Large modal volume semiconductor laser system with spatial mode filter

Compact micro-optical edge-emitting semiconductor laser assembly

Tapered semiconductor laser oscillator

Tapered semiconductor laser gain structure with cavity spoiling gro...

Tapered semiconductor laser gain structure with cavity spoiling gro...

Reliable AlInGaAs/AlGaAs strained-layer diode lasers

Multiple-laser pump optical system

Microchannel heat sink with alternating flow directions

Multiple-laser pump optical system

Method of forming a surface emitting laser

Surface emitting laser with monolithic integrated lens

Surface emitting laser

Method forming surface emitting diode laser

Process for making a mesa GaInAsP/InP distributed feedback laser

GaInAsP/InP distributed feedback laser

Surface emitting diode laser

Intra-cavity loss-modulated diode laser

GaInAsP/InP Double-heterostructure lasers

Patents Applicationslast 30 patents

Slab-coupled optical waveguide laser and amplifier