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Class Information
Number: 385/10
Name: Optical waveguides > Directional optical modulation within an optical waveguide > Electro-optic > Diffraction grating (e.g., bragg)
Description: Subject matter wherein electro-optic directional modulation within a waveguide utilizes an element having a series of very close, equidistant, parallel lines, (i.e., grating) or wherein the waveguide has a grating impressed upon it by an externally applied field.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
6842545 Optoelectronic and photonic devices formed of materials which inhibit degradation and failure Jan. 11, 2005
6842544 Method for apodizing a planar waveguide grating Jan. 11, 2005
6836591 Arrayed waveguide grating type optical multiplexer/demultiplexer and optical waveguide circuit Dec. 28, 2004
6833541 Dual-parameter optical waveguide grating sensing device and sensor Dec. 21, 2004
6834144 Gain flattening optical filter, optical amplifier comprising such an optical filter and method for manufacturing such an optical filter Dec. 21, 2004
6829417 Amplitude and phase control in distributed optical structures Dec. 7, 2004
6826330 Dynamic spectral shaping for fiber-optic application Nov. 30, 2004
6826334 Arrayed waveguide grating, arrayed waveguide grating module, arrayed waveguide grating module waveguide compensation method, optical communication system Nov. 30, 2004
6823115 Optical structures distributed among multiple optical waveguides Nov. 23, 2004
6822217 Optical spectrum analyzer Nov. 23, 2004
6819833 In-fiber continuously chirped gain flattening filters and method Nov. 16, 2004
6816636 Tunable optical filter Nov. 9, 2004
6816650 Planar lightwave filter device Nov. 9, 2004
6810180 Arrayed waveguide grating, arrayed waveguide grating module, arrayed waveguide grating module waveguide compensation method, optical communication system Oct. 26, 2004
6807338 Multiwavelength cascaded raman resonator Oct. 19, 2004
6801348 Method and system for recording of information on a holographic medium Oct. 5, 2004
6788832 Optical modulator and optical signal and electric wave signal converter using same Sep. 7, 2004
6788713 Reduction of pulsations in DFB lasers Sep. 7, 2004
6785430 Method and apparatus for integrating an optical transmit module Aug. 31, 2004
6785455 Dispersion compensation unit and method of producing the same Aug. 31, 2004
6782165 Optical filter Aug. 24, 2004
6778721 WDM switch using OADM and control method thereof Aug. 17, 2004
6768822 Chromatic dispersion compensation Jul. 27, 2004
6763152 Optical fiber equipment with a Bragg grating tunable by a piezoelectric actuator Jul. 13, 2004
6763165 Grating assisted coupler with controlled start Jul. 13, 2004
6760498 Arrayed waveguide grating, and method of making same Jul. 6, 2004
6757462 Bragg grating filter optical waveguide device Jun. 29, 2004
6757461 Tunable dispersion compensation device, optical receiver, and optical fiber communication system Jun. 29, 2004
6754412 Apparatus and method for producing a flat-topped filter response for (de)multiplexer having a diffraction grating with variable line spacing Jun. 22, 2004
6751380 Fiber grating and method and apparatus for fabricating the same Jun. 15, 2004
6751381 Embodying amplitude information into phase masks Jun. 15, 2004
6744950 Correlators and cross-correlators using tapped optical fibers Jun. 1, 2004
6738543 Hitless tunable wavelength filters May. 18, 2004
6738536 Wavelength tunable filter device for fiber optic systems May. 18, 2004
6728465 Semi-reconfigurable subband OADM Apr. 27, 2004
6721478 Dynamic fiber bragg grating Apr. 13, 2004
6721469 Chiral in-fiber adjustable polarizer apparatus and method Apr. 13, 2004
6711334 Multimode fiber for narrowband bragg gratings Mar. 23, 2004
6707956 Apparatus for fabricating apodized fiber grating Mar. 16, 2004
6690853 Tunable DWDM demultiplexer Feb. 10, 2004
6690685 Method for producing a fiber laser Feb. 10, 2004
6681066 Soliton pulse transmission over waveguide fiber lengths Jan. 20, 2004
6680797 Spatial light modulators for full cross-connections in optical networks Jan. 20, 2004
6680472 Device for measuring of optical wavelengths Jan. 20, 2004
6678445 Dynamic gain flattening filter Jan. 13, 2004
6678429 Amplitude and phase control in distributed optical structures Jan. 13, 2004
6674931 Adaptive dispersion compensation device and control method for the same Jan. 6, 2004
6665479 Polymeric devices including optical waveguide laser and optical amplifier Dec. 16, 2003
6665470 Optical filter Dec. 16, 2003
6661953 Method and apparatus for simultaneous multiplexing and demultiplexing, variable attenuation and power detection of wavelength division multiplexed optical signals Dec. 9, 2003

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