US4198117A
(en)
|
1976-12-28 |
1980-04-15 |
Nippon Electric Co., Ltd. |
Optical wavelength-division multiplexing and demultiplexing device
|
US4111524A
(en)
|
1977-04-14 |
1978-09-05 |
Bell Telephone Laboratories, Incorporated |
Wavelength division multiplexer
|
US4153330A
(en)
|
1977-12-01 |
1979-05-08 |
Bell Telephone Laboratories, Incorporated |
Single-mode wavelength division optical multiplexer
|
DE2916184A1
(en)
|
1979-04-21 |
1980-10-30 |
Philips Patentverwaltung |
OPTICAL POWER DISTRIBUTOR
|
US4274706A
(en)
|
1979-08-30 |
1981-06-23 |
Hughes Aircraft Company |
Wavelength multiplexer/demultiplexer for optical circuits
|
US4299488A
(en)
|
1979-11-23 |
1981-11-10 |
Bell Telephone Laboratories, Incorporated |
Time-division multiplexed spectrometer
|
US4279464A
(en)
|
1979-12-18 |
1981-07-21 |
Northern Telecom Limited |
Integrated optical wavelength demultiplexer
|
FR2519148B1
(en)
|
1981-12-24 |
1985-09-13 |
Instruments Sa |
WAVELENGTH SELECTOR
|
US4836634A
(en)
|
1980-04-08 |
1989-06-06 |
Instruments Sa |
Wavelength multiplexer/demultiplexer using optical fibers
|
US4343532A
(en)
|
1980-06-16 |
1982-08-10 |
General Dynamics, Pomona Division |
Dual directional wavelength demultiplexer
|
US4387955A
(en)
|
1981-02-03 |
1983-06-14 |
The United States Of America As Represented By The Secretary Of The Air Force |
Holographic reflective grating multiplexer/demultiplexer
|
CA1154987A
(en)
|
1981-11-27 |
1983-10-11 |
Narinder S. Kapany |
Fiber optics commmunications modules
|
NL8104123A
(en)
|
1981-09-07 |
1983-04-05 |
Philips Nv |
OPTICAL MULTIPLEX AND DEMULTIPLEX DEVICE.
|
NL8104121A
(en)
|
1981-09-07 |
1983-04-05 |
Philips Nv |
TUNABLE OPTICAL DEMULTIPLEX DEVICE.
|
DE3213839A1
(en)
|
1982-04-15 |
1983-10-27 |
Philips Patentverwaltung Gmbh, 2000 Hamburg |
OPTICAL WAVELENGTH MULTIPLEX OR -DEMULTIPLEX ARRANGEMENT
|
DE3216516A1
(en)
|
1982-05-03 |
1983-11-03 |
Siemens AG, 1000 Berlin und 8000 München |
OPTICAL WAVELENGTH MULTIPLEXER IN ACCORDANCE WITH THE GRILLED PRINCIPLE
|
US4652080A
(en)
|
1982-06-22 |
1987-03-24 |
Plessey Overseas Limited |
Optical transmission systems
|
FR2537808A1
(en)
|
1982-12-08 |
1984-06-15 |
Instruments Sa |
OPTICAL COMPONENT WITH SHARED FUNCTION FOR OPTICAL TELETRANSMISSIONS
|
DE3309349A1
(en)
|
1983-03-16 |
1984-09-20 |
Fa. Carl Zeiss, 7920 Heidenheim |
WAVELENGTH MULTIPLEXER OR DEMULTIPLEXER
|
FR2543768A1
(en)
|
1983-03-31 |
1984-10-05 |
Instruments Sa |
WAVE LENGTH MULTIPLEXER-DEMULTIPLEXER AND METHOD OF MAKING SAME
|
US4522462A
(en)
|
1983-05-27 |
1985-06-11 |
The Mitre Corporation |
Fiber optic bidirectional wavelength division multiplexer/demultiplexer with total and/or partial redundancy
|
US4726645A
(en)
|
1983-08-12 |
1988-02-23 |
Mitsubishi Denki Kabushiki Kaisha |
Optical coupler
|
US4643519A
(en)
|
1983-10-03 |
1987-02-17 |
International Telephone And Telegraph Corporation |
Wavelength division optical multiplexer/demultiplexer
|
FR2553243B1
(en)
|
1983-10-11 |
1990-03-30 |
Lignes Telegraph Telephon |
WAVELENGTH OPTICAL WAVELENGTH MULTIPLEXER-DEMULTIPLEXER FOR BIDIRECTIONAL LINK
|
NL8304311A
(en)
|
1983-12-15 |
1985-07-01 |
Philips Nv |
REFLECTION GRID.
|
US4636215A
(en)
*
|
1984-01-11 |
1987-01-13 |
Rei, Inc. |
Combination tray and condylar prosthesis for mandibular reconstruction and the like
|
DE3503203A1
(en)
|
1985-01-31 |
1986-08-07 |
Standard Elektrik Lorenz Ag, 7000 Stuttgart |
OPTICAL MULTIPLEXER / DEMULTIPLEXER
|
US4773063A
(en)
|
1984-11-13 |
1988-09-20 |
University Of Delaware |
Optical wavelength division multiplexing/demultiplexing system
|
FR2579044B1
(en)
|
1985-03-13 |
1988-02-26 |
Commissariat Energie Atomique |
DEVICE FOR MULTIPLEXING MULTIPLE LIGHT SIGNALS IN INTEGRATED OPTICS
|
DE3509132A1
(en)
|
1985-03-14 |
1986-09-18 |
Fa. Carl Zeiss, 7920 Heidenheim |
WAVELENGTH MULTIPLEXER OR DEMULTIPLEXER
|
FR2579333B1
(en)
|
1985-03-20 |
1987-07-03 |
Instruments Sa |
WAVELENGTH MULTIPLEXER-DEMULTIPLEXER CORRECTED FOR GEOMETRIC AND CHROMATIC ABERRATIONS
|
DE3687162D1
(en)
|
1985-12-10 |
1993-01-07 |
Siemens Ag |
INTEGRATED-OPTICAL MULTIPLEX-DEMULTIPLEX-MODULE FOR THE OPTICAL MESSAGE TRANSMISSION.
|
US4749247A
(en)
|
1986-04-03 |
1988-06-07 |
The Mitre Corporation |
Self-monitoring fiber optic link
|
FR2609180B1
(en)
|
1986-12-31 |
1989-11-03 |
Commissariat Energie Atomique |
MULTIPLEXER-DEMULTIPLEXER USING A CONCAVE ELLIPTICAL NETWORK AND CONDUCTED IN INTEGRATED OPTICS
|
US4834485A
(en)
|
1988-01-04 |
1989-05-30 |
Pencom International Corporation |
Integrated fiber optics transmitter/receiver device
|
US5026131A
(en)
|
1988-02-22 |
1991-06-25 |
Physical Optics Corporation |
High channel density, broad bandwidth wavelength division multiplexer with highly non-uniform Bragg-Littrow holographic grating
|
US4926412A
(en)
|
1988-02-22 |
1990-05-15 |
Physical Optics Corporation |
High channel density wavelength division multiplexer with defined diffracting means positioning
|
US4857726A
(en)
|
1988-02-29 |
1989-08-15 |
Allied-Signal Inc. |
Method to decode relative spectral data
|
JPH01306886A
(en)
|
1988-06-03 |
1989-12-11 |
Canon Inc |
Volume phase type diffraction grating
|
US4930855A
(en)
|
1988-06-06 |
1990-06-05 |
Trw Inc. |
Wavelength multiplexing of lasers
|
US5114513A
(en)
|
1988-10-27 |
1992-05-19 |
Omron Tateisi Electronics Co. |
Optical device and manufacturing method thereof
|
JPH02143203A
(en)
|
1988-11-25 |
1990-06-01 |
Ricoh Co Ltd |
Optical multiplexer/demultiplexer element
|
US4934784A
(en)
|
1989-03-20 |
1990-06-19 |
Kaptron, Inc. |
Hybrid active devices coupled to fiber via spherical reflectors
|
US4923271A
(en)
|
1989-03-28 |
1990-05-08 |
American Telephone And Telegraph Company |
Optical multiplexer/demultiplexer using focusing Bragg reflectors
|
US5245404A
(en)
|
1990-10-18 |
1993-09-14 |
Physical Optics Corportion |
Raman sensor
|
GB2251957B
(en)
|
1990-11-29 |
1993-12-15 |
Toshiba Kk |
Optical coupler
|
JPH07500705A
(en)
|
1991-09-03 |
1995-01-19 |
サイエンティフィック−アトランタ・インコーポレーテッド |
Optical fiber condition monitoring and control system
|
US5228103A
(en)
|
1992-08-17 |
1993-07-13 |
University Of Maryland |
Monolithically integrated wavelength division multiplexing laser array
|
US5440416A
(en)
|
1993-02-24 |
1995-08-08 |
At&T Corp. |
Optical network comprising a compact wavelength-dividing component
|
US5682255A
(en)
*
|
1993-02-26 |
1997-10-28 |
Yeda Research & Development Co. Ltd. |
Holographic optical devices for the transmission of optical signals of a plurality of channels
|
US5457573A
(en)
|
1993-03-10 |
1995-10-10 |
Matsushita Electric Industrial Co., Ltd. |
Diffraction element and an optical multiplexing/demultiplexing device incorporating the same
|
US5355237A
(en)
|
1993-03-17 |
1994-10-11 |
The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration |
Wavelength-division multiplexed optical integrated circuit with vertical diffraction grating
|
DE4435928A1
(en)
|
1993-10-07 |
1995-04-20 |
Hitachi Ltd |
Optical transmitting and receiving module and optical communication system using this
|
US5526155A
(en)
|
1993-11-12 |
1996-06-11 |
At&T Corp. |
High-density optical wavelength division multiplexing
|
US5450510A
(en)
|
1994-06-09 |
1995-09-12 |
Apa Optics, Inc. |
Wavelength division multiplexed optical modulator and multiplexing method using same
|
US5500910A
(en)
|
1994-06-30 |
1996-03-19 |
The Whitaker Corporation |
Passively aligned holographic WDM
|
US5606434A
(en)
|
1994-06-30 |
1997-02-25 |
University Of North Carolina |
Achromatic optical system including diffractive optical element
|
US5657406A
(en)
|
1994-09-23 |
1997-08-12 |
United Technologies Corporation |
Efficient optical wavelength multiplexer/de-multiplexer
|
US5600486A
(en)
*
|
1995-01-30 |
1997-02-04 |
Lockheed Missiles And Space Company, Inc. |
Color separation microlens
|
US5703722A
(en)
|
1995-02-27 |
1997-12-30 |
Blankenbecler; Richard |
Segmented axial gradinet array lens
|
US5541774A
(en)
|
1995-02-27 |
1996-07-30 |
Blankenbecler; Richard |
Segmented axial gradient lens
|
US5583683A
(en)
|
1995-06-15 |
1996-12-10 |
Optical Corporation Of America |
Optical multiplexing device
|
FR2738432B1
(en)
|
1995-09-01 |
1997-09-26 |
Hamel Andre |
OPTICAL COMPONENT SUITABLE FOR MONITORING A MULTI-WAVELENGTH LENGTH AND INSERTION-EXTRACTION MULTIPLEXER USING THE SAME, APPLICATION TO OPTICAL NETWORKS
|
US5745612A
(en)
|
1995-12-18 |
1998-04-28 |
International Business Machines Corporation |
Wavelength sorter and its application to planarized dynamic wavelength routing
|
US5768450A
(en)
|
1996-01-11 |
1998-06-16 |
Corning Incorporated |
Wavelength multiplexer/demultiplexer with varied propagation constant
|
US5777763A
(en)
|
1996-01-16 |
1998-07-07 |
Bell Communications Research, Inc. |
In-line optical wavelength reference and control module
|
US5742416A
(en)
|
1996-03-28 |
1998-04-21 |
Ciena Corp. |
Bidirectional WDM optical communication systems with bidirectional optical amplifiers
|
US5745270A
(en)
|
1996-03-28 |
1998-04-28 |
Lucent Technologies Inc. |
Method and apparatus for monitoring and correcting individual wavelength channel parameters in a multi-channel wavelength division multiplexer system
|
US5748350A
(en)
|
1996-06-19 |
1998-05-05 |
E-Tek Dynamics, Inc. |
Dense wavelength division multiplexer and demultiplexer devices
|
US5745271A
(en)
|
1996-07-31 |
1998-04-28 |
Lucent Technologies, Inc. |
Attenuation device for wavelength multiplexed optical fiber communications
|
US5926298A
(en)
*
|
1996-08-30 |
1999-07-20 |
Lucent Technologies Inc. |
Optical multiplexer/demultiplexer having a broadcast port
|
FR2754354B1
(en)
*
|
1996-10-08 |
1998-11-06 |
France Telecom |
CONNECTION DEVICE FOR MULTI-CORE OPTICAL FIBER, BASED ON OPTICAL ELEMENTS IN FREE SPACE
|
US5880834A
(en)
|
1996-10-16 |
1999-03-09 |
The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration |
Convex diffraction grating imaging spectrometer
|
AU729612B2
(en)
*
|
1996-11-19 |
2001-02-08 |
Alcatel |
Optical waveguide with Bragg grating
|
US5745618A
(en)
*
|
1997-02-04 |
1998-04-28 |
Lucent Technologies, Inc. |
Optical device having low insertion loss
|
US6084695A
(en)
*
|
1997-02-14 |
2000-07-04 |
Photonetics |
Optical fiber wavelength multiplexer and demutiplexer
|
US6011884A
(en)
*
|
1997-12-13 |
2000-01-04 |
Lightchip, Inc. |
Integrated bi-directional axial gradient refractive index/diffraction grating wavelength division multiplexer
|
US6236780B1
(en)
*
|
1997-12-13 |
2001-05-22 |
Light Chip, Inc. |
Wavelength division multiplexing/demultiplexing devices using dual diffractive optic lenses
|
US6289155B1
(en)
*
|
1997-12-13 |
2001-09-11 |
Lightchip, Inc. |
Wavelength division multiplexing/demultiplexing devices using dual high index of refraction crystalline lenses
|
US6298182B1
(en)
*
|
1997-12-13 |
2001-10-02 |
Light Chip, Inc. |
Wavelength division multiplexing/demultiplexing devices using polymer lenses
|
US6181853B1
(en)
*
|
1997-12-13 |
2001-01-30 |
Lightchip, Inc. |
Wavelength division multiplexing/demultiplexing device using dual polymer lenses
|
US6271970B1
(en)
*
|
1997-12-13 |
2001-08-07 |
Lightchip, Inc. |
Wavelength division multiplexing/demultiplexing devices using dual homogeneous refractive index lenses
|
US5999672A
(en)
*
|
1997-12-13 |
1999-12-07 |
Light Chip, Inc. |
Integrated bi-directional dual axial gradient refractive index/diffraction grating wavelength division multiplexer
|
US6263135B1
(en)
*
|
1997-12-13 |
2001-07-17 |
Lightchip, Inc. |
Wavelength division multiplexing/demultiplexing devices using high index of refraction crystalline lenses
|
US6108471A
(en)
|
1998-11-17 |
2000-08-22 |
Bayspec, Inc. |
Compact double-pass wavelength multiplexer-demultiplexer having an increased number of channels
|
US6415073B1
(en)
*
|
2000-04-10 |
2002-07-02 |
Lightchip, Inc. |
Wavelength division multiplexing/demultiplexing devices employing patterned optical components
|