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| Number | Title | Issue Date |
| 8000001 | Method of forming polymeric microarray support The invention comprises a polymeric microarray support (1) for an optical assay arrangement (2) comprising optical means (3, 4, 6) for detection of light emitted from the support. The microarray support is provided with microfeatures comprising ... | 08/16/2011 |
| 7495825 | Integration of a gain equalization filter in a gain medium An optical waveguide for use in amplifying light signals with an integrated gain equalization filter. The optical waveguide includes a gain section for amplifying light signals. The optical waveguide further includes an equalization filter to improve the uniformity ... | 02/24/2009 |
| 7345811 | Multimode fiber optic amplifier and method of amplifying optical signals A multimode fiber receiver includes a multimode collimator, a multimode fiber optic amplifier and a detector. The collimator receives incoming signals and provides the signals to the amplifier. The amplifier includes plural amplification stages, a limiter, a tunable... | 03/18/2008 |
| 7283695 | Optical interconnects in microelectronics based on azimuthally asymmetric long-period fiber grating couplers Systems and methods, including azimuthally asymmetric fiber gratings are disclosed. ... | 10/16/2007 |
| 7283740 | Optical ring network with optical subnets and method An optical network includes a plurality of subnets. The subnets each include a plurality of add/drop nodes coupled to the optical ring and operable to passively add and drop traffic to and from the optical ring. The network further includes a plurality of gateway no... | 10/16/2007 |
| 7271949 | Multi-wavelength light source and wavelength division multiplexing system using the same A multi-wavelength light source includes an amplifier for generating light over a wide wavelength range; and, an optical fiber grating including a plurality of gratings formed on an optical fiber in in parallel with each other, thereby dividing the light inputted fr... | 09/18/2007 |
| 7256930 | High power pulse shaping fiber laser for high data rate free space telecommunication systems An amplified laser source for amplifying a laser projection that includes a diode laser source modulated by a pulse generator applying an alternate high and low voltages higher and lower than a threshold voltage for projecting a modulated optical signal. The laser s... | 08/14/2007 |
| 7236295 | Broadband light source A broadband light source is disclosed. The broadband light source includes a semiconductor optical amplifier for generating and amplifying light of a broadband wavelength, the amplifier having a first end and a second end and a mirror spaced from the second end of t... | 06/26/2007 |
| 7233607 | Pulsed light sources A source of pulses of coherent radiation at a wavelength of approximately 1 μm, comprises a pump source for producing pump light; a laser cavity comprising an Yb3+-doped gain medium arranged to receive the pump light, the laser cavity being modelocked to... | 06/19/2007 |
| 7224516 | Multimode fiber optic amplifier and method of amplifying optical signals A multimode fiber receiver includes a multimode collimator, a multimode fiber optic amplifier and a detector. The collimator receives incoming signals and provides the signals to the amplifier. The amplifier includes plural amplification stages, a limiter, a tunable... | 05/29/2007 |
| 7221822 | Multi-fibre arrangement for high power fibre lasers and amplifiers An optical fiber arrangement has at least two optical fiber sections, each optical fiber section defining an outside longitudinally extending surface. The outside longitudinally extending surfaces are in optical contact with each other. The invention further provide... | 05/22/2007 |
| 7215462 | Filter for selectively processing optical and other signals A multi-section filter is provided for use in processing optical signals and other signals that can be readily projected from one filter section to another. Filters of the invention can be configured in numerous forms, including IIR and FIR filters and both linear a... | 05/08/2007 |
| 7209283 | Compact optical amplifier with a flattened gain profile A flattened gain amplifier has a waveguide with a core doped with at least one species of rare earth ion. The rare earth ion has a gain profile with a first gain in a first wavelength band and a second gain in a second wavelength band. The flattened gain amplifier a... | 04/24/2007 |
| 7139119 | Fiber amplifier with suppression of amplified spontaneous emission A fiber amplifier module for amplifying a signal pulse includes an optically pumped double-pass fiber amplifier in which a fiber Bragg grating reflects an amplified pulse in between the first and second amplification passes, and transmits most forward-propagating am... | 11/21/2006 |
| 7138621 | Optical fiber sensors based on pressure-induced temporal periodic variations in refractive index A optical fiber sensor for measuring temperature and/or pressure employs temporally created long period gratings. The gratings may be produced by a periodic change in the refractive index of the fiber along the fiber longitudinal axis caused by periodically spaced c... | 11/21/2006 |
| 7133194 | Wavelength tunable light source integrated with optical amplifier, beam steering unit, and concave diffraction grating Provided is a wavelength tunable light source that can electrically tune wavelengths by monolithically integrating an optical amplifier, a beam steering unit, and a concave diffraction grating on a single substrate. A beam is deflected by the beam steering unit when... | 11/07/2006 |
| 7123406 | Reflective semiconductor optical amplifier light source A reflective semiconductor optical amplifier light source is disclosed. The reflective semiconductor optical amplifier light source includes a transmissive type semiconductor optical amplifier for creating and amplifying spontaneous emission light, a reflector for r... | 10/17/2006 |
| 7119947 | Dual-port broadband light source A dual-port broadband light source is disclosed. In the dual-port broadband light source, a first beam splitter splits a first ASE at a first ratio into the second and third light paths and outputs the first ASE received from the second light path to the first light... | 10/10/2006 |
| 7110168 | Optical signal transmission apparatus including reflective gain-clamped semiconductor optical amplifier Disclosed are optical signal transmission apparatus including a reflective gain-clamped semiconductor optical amplifier and optical communication system using the optical signal transmission apparatus, which can improve modulation speed and optical power by effectiv... | 09/19/2006 |
| 7106501 | Fiber amplifier with suppression of amplified spontaneous emission A fiber amplifier module for amplifying a signal pulse includes an optically pumped double-pass fiber amplifier in which a fiber Bragg grating reflects an amplified pulse in between the first and second amplification passes, and transmits most forward-propagating am... | 09/12/2006 |
| 7088497 | Optical device with polarization diversity module In one embodiment, an optical device includes a polarization diversity module configured to receive an optical input signal and output a first optical output signal and a second optical output signal having the same polarization state. This helps ensure light beams ... | 08/08/2006 |
| 7085496 | Passive add/drop amplifier for optical networks and method An add/drop node for an optical network comprises a passive splitter to split an ingress signal from the network into a first ingress signal and a second ingress signal. A first amplified splitter stages module is operable to passively split and amplify the first in... | 08/01/2006 |
| 7072100 | Optical amplifier and gain tilt compensation method The optical amplifier realizes EDFA amplification of optical signals in new bands (the S+- and S-bands), at wavelengths of 1450 to 1530 nm. The amplifier uses multiple erbium-doped fibers to amplify optical signals at wavelengths of 1450 to 1530 nm. Each ... | 07/04/2006 |
| 7068886 | Millimeter wave oscillator using fiber Bragg grating Provided is a millimeter wave oscillator for generating a high frequency signal required in wireless communication. The millimeter wave oscillator uses an overwritten fiber Bragg grating and a light detector such that two wavelengths in a certain phase relationship ... | 06/27/2006 |
| 7064890 | Optical amplifier and optical communication system including the same The present invention relates to an optical amplifier (TDFA) or the like comprising a structure for constantly keeping the power of outputted signal light and gain flatness even when the power or number of channels of input signal light fluctuates. In this op... | 06/20/2006 |
| 7046432 | Optical fiber coupling arrangement Apparatus for optically pumping a clad amplifier fiber includes one or more transmission fibers arranged and configured to insert pump-light from a pump light source such as a diode-laser into the cladding of the amplifier fiber. The pump light propagates through th... | 05/16/2006 |
| 7020366 | Light emitting device, optical module, and grating chip A light emitting device has a fiber stub component, a grating chip, a semiconductor optical amplifier, a photodiode, and a mount member. The fiber stub component is comprised of a ferrule and an optical fiber. The fiber stub component, grating chip, and semiconducto... | 03/28/2006 |
| 7010183 | Surface plasmon devices A device including an input port configured to receive an input signal is described. The device also includes an output port and a structure, which structure includes a tunneling junction connected with the input port and the output port. The tunneling junction is c... | 03/07/2006 |
| 6980355 | Wavelength-tunable amplified optical splitter A signal may be split by a splitter into a plurality of output signals. Each of these output signals may then be amplified. Amplified spontaneous emission noise may be removed using a tunable filter for each of the signal outputs. As a result, an output signal may b... | 12/27/2005 |
| 6980345 | High speed optical signal processor including saturable absorber and gain-clamped optical amplifier Disclosed is a high speed optical signal processor which includes a saturable absorber area including a substrate, an active layer, a clad layer and a first upper electrode which are sequentially formed on one face of the substrate, and a first lower electrode forme... | 12/27/2005 |
| 6952511 | Gain equalizer and optical amplification apparatus The present invention is directed to a gain equalizer having a preferable equalization characteristic and a structure that can be easily fabricated. The gain equalizer flattens a spectrum of light in a predetermined wavelength range inputted through an input termina... | 10/04/2005 |
| 6917464 | Unpolarized multi-lambda source Disclosed is a multi-lambda source for outputting an optical signal having a plurality of channels, the multi-lambda source comprising an optical fiber amplifier, having a back and front end, for amplifying an optical signal received from the back end and outputting... | 07/12/2005 |
| 6917631 | Pulsed light sources A source of pulses of coherent radiation at a wavelength of approximately 1 μm, comprises a pump source for producing pump light, a laser cavity comprising an Yb3+-doped gain medium arranged to receive the pump light, the laser cavity being modelocked to... | 07/12/2005 |
| 6915037 | Lossless optical divider/combiner with pump diversion for scalable optical networks In this invention we present a method and apparatus of simultaneously compensating a divider power-loss and managing the pump's power budget in upgradeable and scalable passive optical network architecture. The apparatus namely called lossless splitter, is passive, ... | 07/05/2005 |
| 6904241 | Power balanced optical add multiplexer and power balancing methods therefore To improve a power balance of an optical add multiplexer, an add amplifier is optically coupled to an add path of an optical add module. A through loss associated with a signal passing through the add module, and an add loss associated with a signal travelling an ad... | 06/07/2005 |
| 6898002 | Optical device, optical module, optical amplifier, and optical transmission system The present invention relates to an optical device and the like which can facilitate a fine adjustment for an optical waveguide type diffraction grating device. The optical device includes a flexible member in which the optical waveguide type diffraction grating dev... | 05/24/2005 |
| 6678087 | Optical amplifier and optical fiber communication system using the amplifier An optical amplifier is implemented which can reduce its size and cost by using a smaller number of components. Signal light coupled by an optical combiner with pump light fed from a pumping light source is incident on an EDF (erbium-doped fiber) to be pu... | 01/13/2004 |
| 6650400 | Optical fibre amplifiers An optical amplification system has an active fibre section having an optical fibre 10 and containment means 8, 12 containing light of a specific wavelength within the active fibre section. The specific wavelength of light is the result of the spontaneous... | 11/18/2003 |
| 6633429 | Optical amplification method and device usable with bands other than the C-band An optical amplifier includes an optical amplification medium, an excitation source to stimulate the amplification medium to output at least one wavelength gain peak, and a gain equalizer to equalize the output of the amplification medium such that gain i... | 10/14/2003 |
| 6611371 | Single parameter gain slope adjuster for an optical system An optical device including an optical amplifier to amplify optical signals received through an optical input, and to supply the amplified optical signals from an optical output, and an optical filter coupled to the optical amplifier. The optical filter c... | 08/26/2003 |
