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6792011 |
Frequency modulated laser with high modulation bandwidth
A frequency modulated laser comprises a laser cavity in which the gain section of the laser cavity is imbedded within a phase modulation section of the cavity. The laser cavity further comprises...
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6760357 |
Vertical cavity apparatus with tunnel junction
A vertical cavity apparatus includes first and second mirrors, a substrate and at least first and second active regions positioned between the first and second mirrors. At least one of the first...
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6535541 |
Vertical cavity apparatus with tunnel junction
A vertical cavity apparatus includes first and second mirrors, a substrate, first and second active regions and a plurality of individual active regions. Each of an individual active region is...
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6493373 |
Vertical cavity apparatus with tunnel junction
A vertical cavity apparatus includes first and second mirrors, a substrate and at least first and second active regions positioned between the first and second mirrors. At least one of the first...
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6493372 |
Vertical cavity apparatus with tunnel junction
A vertical cavity apparatus includes first and second mirrors, a substrate and at least first and second active regions positioned between the first and second mirrors. A first etched layer is...
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6493371 |
Vertical cavity apparatus with tunnel junction
A vertical cavity apparatus includes a first mirror, a substrate and a second mirror coupled to the substrate. At least a first and a second active region are each positioned between the first and...
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6487231 |
Vertical cavity apparatus with tunnel junction
A vertical cavity apparatus includes first and second mirrors, a substrate and at least first and second active regions positioned between the first and second mirrors. At least one of the first...
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6487230 |
Vertical cavity apparatus with tunnel junction
A vertical cavity apparatus includes a first mirror, a substrate and a second mirror coupled to the substrate. At least a first and a second active region are each positioned between the first and...
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6366597 |
Lattice-relaxed vertical optical cavities
A monolithic long-wavelength vertical optical cavity device built up along a vertical direction. The device, when designed as a surface emitting laser, has a bottom Distributed Bragg Reflector...
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6275513 |
Hermetically sealed semiconductor laser device
A wafer assembly that includes a wafer substrate. A plurality of micro-optomechanical or micro-optoelectrical devices are positioned on a surface of the wafer substrate. Each micro-optomechanical...
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6233263 |
Monitoring and control assembly for wavelength stabilized optical system
A monitoring and control assembly for an optical system includes a tunable laser. The laser generates a divergent output beam along an optical axis. A first photodetector is provided. A wavelength...
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6226425 |
Flexible optical multiplexer
A multiplexer has an optical circulator including at least first, second and third circulator ports. An optical fiber with a first optical transmission path is coupled to the first circulator port...
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6222871 |
Vertical optical cavities produced with selective area epitaxy
A monolithic vertical optical cavity device built up along a vertical direction. The device has a bottom Distributed Bragg Reflector (DBR), a Quantum Well (QW) region consisting of least one active...
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5784157 |
Method and apparatus for identifying fluorophores
The present invention is a unique method for identifying the presence, and preferably the identity, of a fluorophore by optically stimulating one or more fluorophores with an optical signal which...
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5631916 |
Apparatus and method for optically transmitting electrical signals in the 20-300 gigahertz frequency range
The invention discloses a method and an apparatus for optically transmitting a narrow-band optical signal beam having a sub-carrier frequency in the 20 to 300 GHz range. The apparatus has a...
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4355866 |
Stripe-color filter
A stripe-color filter for spatial color encoding in a color TV camera, having a striped semiconductor filter-element-layer supported between a transparent substrate layer and a transparent...
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