Class 385/20 - Multiple pole multiple throw

Subclass of Class 385 - Optical waveguides
Definition: Subject matter wherein the optical switch operates to selectively
No. of applications: 20
Last issue date: 11/10/2011

Application No.	Application Title	Issue Date
20110273703	OPTO-MECHANICAL SWITCH An opto-mechanical switch produces different optical paths from two optical path sections out of a plurality of optical path sections that are oriented in different spatial directions. The switch has an optical component on which one end of each optical path section imp...	11/10/2011
20090257709	OPTICAL SWITCH An optical switch comprises a plurality of input ports and a plurality of out port ports; a plurality of displaceable optical elements for directing beams from a selected input to a selected output; wherein the number of displaceable elements substantially corresponds t...	10/15/2009
20080273834	PACKAGED OPTICAL DEVICE STACK A packaged stack of optical devices includes two or more WDM optical devices, the stack having a reduced per-channel manufacturing cost and an improved mean time between failure relative to individual optical devices. WDM optical devices, which may be contained in a pac...	11/06/2008
20080089639	Photonic band gap router An arrangement includes a photonic band-gap assembly comprising at least one input wave guide and at least one output wave guides, and at least one routing element responsive to signals to selectively route a signal from the input wave guide to one or more of the output...	04/17/2008
20080056638	Polarization-Independent Electro-Optical (EO) Switching In one embodiment, an apparatus includes a passive element including one or more first waveguides and one or more second waveguides. The apparatus also includes an active element integrated into the passive element. The active element includes one or more third waveguid...	03/06/2008
20080008416	Opto-electronic device An opto-electronic device comprises a waveguide along which light may propagate and an electrode associated with the waveguide and arranged to apply a variable electric field thereto. The waveguide includes one or more active regions in which variations in the electric ...	01/10/2008
20070127866	Optical deflection array An optical deflection matrix including at least two optical deflection modules each for providing, from an incoming beam having a given direction of propagation, an output beam having a direction of propagation taken in a set of potential directions. The modules each in...	06/07/2007
20070081761	Integrated microelectromechanical wavelength selective switch and method of making same A fully integrated microelectromechanical (MEMS) 1×K wavelength selective switch (WSS) includes an array of N solid-immersion micromirrors (SIMs) and a K+1 dispersion waveguide arrays that are integrally fabricated together. In one embodiment, the WSS is fabricated in ...	04/12/2007
20060239607	Wavelength selector switch A wavelength selector switch includes first and second refracting plates, an optical splitter, first and second optical systems, an optical coupler polarization controller, and second refracting plate. The first refracting plate refracts the second wavelength-multiplexe...	10/26/2006
20060228071	Reduction of MEMS mirror edge diffraction in a wavelength selective switch using servo-based multi-axes rotation Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass band may be reduced by appropriate modification of the edges of the micromir...	10/12/2006
20060228070	Optical add-drop multiplexer architecture with reduced effect of mirror edge diffraction Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass band may be reduced by appropriate modification of the edges of the micromir...	10/12/2006
20060165348	Optical switch An optical switch changes over transmission paths of an optical signal by a refractive index change. The optical switch has an optical waveguide layer having an optical waveguide whose output path of an optical signal branches into two, and reflection diffusing ditches ...	07/27/2006
20060110101	Microfabrication process for control of waveguide gap size A method for forming a gap (16) of a width (d) which meets selected tolerance limits includes forming sidewalls (80, 82) in a microstructure, the sidewalls defining a gap (16) therebetween. The gap has a width defined between the sidewalls. The widt...	05/25/2006
20060078250	Optical switch An optical switch has an input port, output ports, optical waveguides whose output path of an optical signal branch into two. A first stage optical switch section is provided in a branching portion of the optical waveguide, which switches a propagating path of an optica...	04/13/2006
20060072866	Interference optical switch and variable optical attenuator The present invention discloses an interferometer optical switch that can carry out switching over a broad band and has a high extinction ratio and large fabrication tolerance. The interferometer optical switch employs a phase generating coupler, the phase difference of...	04/06/2006
20060067610	ULTRA-FAST ALL-OPTICAL SWITCH ARRAY An all-optical switching array for switching a direction of optical signals is presented. The all-optical switching array includes a first substrate. Furthermore, the all-optical switching array includes a plurality of optical switches disposed on the first substrate, w...	03/30/2006
20060029328	Optical multiplexer/demultiplexer, optical communication system and method of manufacturing the optical multiplexer/demultiplexer An optical multiplexer/demultiplexer is provided with a first member, a second member and an optical filter. The first member is a planar waveguide and is formed with an optical waveguide and another optical waveguide. The second member is a planar waveguide and is form...	02/09/2006
20060029329	Optical multiplexer/demultiplexer and optical communication system The optical multiplexer/demultiplexer 100 includes a member 110 on which optical waveguides 111 to 114 and a groove 115 are formed and an optical filter 120 inserted in the groove 115. The member 110 is a planar op...	02/09/2006
20050089273	Combination wavelength multiplexer and wavelength stabilizer In an optical device, each of a plurality of radiation sources generates a separate different wavelength output signal to a wavelength locking device wherein a grating device receives the separate wavelength output signals from the plurality of radiation sources. The gr...	04/28/2005
20050084196	Cascaded deflectors for multi-channel optical switches, and optical switching modules and methods having cascaded deflectors Cascaded optical deflectors are formed from light deflecting elements of an electro-optical material that are individually controlled according to applied voltage differences across the elements. The shape of the elements are determined by the shape of the electrodes on...	04/21/2005

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Class 385/20 - Multiple pole multiple throw