Patents by Inventor Dan M. Marom
Dan M. Marom has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9008512Abstract: An Optical Access Network, a Optical Network Unit (ONU) and various methods for exchanging information are provided.Type: GrantFiled: June 22, 2011Date of Patent: April 14, 2015Assignees: Technion Research and Development Foundation Ltd., Yissum Research Development Company of the Hebrew University of Jerusalem LtdInventors: Moshe Nazarathy, Amos Agmon, Dan M. Marom
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Patent number: 8693819Abstract: An optical switching system is disclosed. The system comprises: input optics, for receiving light from at least one input optical port and separating the light into a plurality of optical channels to assign a separate optical path to each channel of each input optical port. The system further comprises an input steering array and an output steering array arranged such that the input steering array is imaged onto the output steering array, wherein the input steering array is configured to receive the separated light and steer each optical channel to an individual element of the output steering array. The system further comprises output optics, for receiving the optical channels from the output steering array and coupling the optical channels into at least one output optical port.Type: GrantFiled: October 21, 2010Date of Patent: April 8, 2014Assignee: Yissum Research Development Company of the Hebrew University of Jerusalem, Ltd.Inventor: Dan M. Marom
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Publication number: 20130216228Abstract: An Optical Access Network, a Optical Network Unit (ONU) and various methods for exchanging information are provided.Type: ApplicationFiled: June 22, 2011Publication date: August 22, 2013Inventors: Moshe Nazarathy, Amos Agmon, Dan M. Marom
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Publication number: 20120219252Abstract: An optical switching system is disclosed. The system comprises: input optics, for receiving light from at least one input optical port and separating the light into a plurality of optical channels to assign a separate optical path to each channel of each input optical port. The system further comprises an input steering array and an output steering array arranged such that the input steering array is imaged onto the output steering array, wherein the input steering array is configured to receive the separated light and steer each optical channel to an individual element of the output steering array. The system further comprises output optics, for receiving the optical channels from the output steering array and coupling the optical channels into at least one output optical port.Type: ApplicationFiled: October 21, 2010Publication date: August 30, 2012Inventor: Dan M. Marom
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Patent number: 7649670Abstract: The invention includes a method and apparatus for controlling curvatures of light directing devices. The apparatus includes a first substrate portion having formed therein a plurality of cavities, and a substantially flexible membrane disposed over the cavities for forming a respective plurality of light directing mechanisms, the light directing mechanisms disposed over the cavities. The respective curvatures of the light directing mechanisms are set using a pressure difference across each of the membrane portions disposed over the cavities. The respective curvatures of the light directing mechanisms may be controllably adjusted during operation of the light directing mechanisms.Type: GrantFiled: October 7, 2005Date of Patent: January 19, 2010Assignee: Alcatel-Lucent USA Inc.Inventors: Nagesh R. Basavanhally, Dan M. Marom
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Patent number: 7468828Abstract: An optical system having a spatial light modulator (SLM), in which each pixel has an optical cavity and is adapted to: (i) change the intensity of a reflected beam by changing the size of the cavity and (ii) change the phase of the reflected beam by changing the position of the cavity with respect to a reference plane. In one embodiment, the optical system has optics configured to image the apertures of an optical input mask onto the pixels of the SLM and to form an optical spot array by imaging the light reflected by the pixels onto a plane orthogonal to the plane of the mask. Each aperture can be configured to have a transmission pattern to spatially modulate the light imaged onto the corresponding pixel, thereby enabling control of the spatial mode at the corresponding spot in the optical spot array.Type: GrantFiled: October 19, 2006Date of Patent: December 23, 2008Assignee: Alcatel-Lucent USA Inc.Inventors: Dennis S. Greywall, Dan M. Marom
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Patent number: 7372607Abstract: The invention includes an apparatus for modulating an optical signal. The apparatus includes a spatial dispersion mechanism and a modulating mechanism. The spatial dispersion mechanism spatially disperses the optical signal. The spatially dispersed optical signal has a plurality of frequency components where each frequency component has an associated beam size. The modulating mechanism includes an array of modulating components where each modulating component has a pitch. The pitch of each modulating component is substantially equal to or less than the beam size of each frequency component.Type: GrantFiled: October 1, 2005Date of Patent: May 13, 2008Assignee: Lucent Technologies Inc.Inventor: Dan M. Marom
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Publication number: 20080094682Abstract: An optical system having a spatial light modulator (SLM), in which each pixel has an optical cavity and is adapted to: (i) change the intensity of a reflected beam by changing the size of the cavity and (ii) change the phase of the reflected beam by changing the position of the cavity with respect to a reference plane. In one embodiment, the optical system has optics configured to image the apertures of an optical input mask onto the pixels of the SLM and to form an optical spot array by imaging the light reflected by the pixels onto a plane orthogonal to the plane of the mask. Each aperture can be configured to have a transmission pattern to spatially modulate the light imaged onto the corresponding pixel, thereby enabling control of the spatial mode at the corresponding spot in the optical spot array.Type: ApplicationFiled: October 19, 2006Publication date: April 24, 2008Applicant: LUCENT TECHNOLOGIES INC.Inventors: Dennis S. Greywall, Dan M. Marom
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Patent number: 7321454Abstract: The invention includes a method and apparatus for modulating one or both of spectral phase and amplitude of a received optical signal. The apparatus includes a spatial dispersion mechanism for spatially dispersing the received optical signal to enable optical communication of the received optical signal to an array of modulators. The apparatus includes a modulating mechanism having a first modulating component and a second modulating component. A first portion of the spatially dispersed optical signal is incident on the first modulating component and a second portion of the spatially dispersed optical signal is incident on the second modulating portion. The apparatus further includes a controller coupled to the modulating mechanism. The controller is adapted for moving the first and second modulating components in a direction normal to their planes for modulating one or both of phase and amplitude of the received optical signal.Type: GrantFiled: October 7, 2005Date of Patent: January 22, 2008Assignee: Lucent Technologies Inc.Inventors: Christophe J. Dorrer, Dan M. Marom
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Patent number: 7262898Abstract: The invention includes an apparatus for modulating an optical signal. The apparatus includes a modulating mechanism comprising a plurality of modulating component arrays, each modulating component array comprising a plurality of modulating components, wherein adjacent ones of the plurality of modulating components in each modulating component array are separated by gaps, and wherein adjacent ones of the plurality of modulating component arrays are offset along a dispersion direction of an incident optical signal such that the gaps associated with the adjacent ones of the plurality of modulating component arrays are offset. In one embodiment, rows of the modulating components in the modulating component arrays are offset along the dispersion direction of the incident optical signal by a fraction of the modulating component pitch.Type: GrantFiled: October 1, 2005Date of Patent: August 28, 2007Assignee: Lucent Technologies Inc.Inventors: Dan M. Marom, David Thomas Neilson
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Patent number: 7231106Abstract: The invention includes an apparatus for receiving an optical signal from an optical input means and directing the optical signal to one of a plurality of optical output means. The apparatus includes a solid signal propagating material having a refractive index greater than the refractive index of air. The solid signal propagating material includes a first transparent surface optically cooperating with the optical input and output means, a second transparent surface optically cooperating with a first light directing mechanism, and a reflective surface optically cooperating with the first light directing mechanism. A first reflecting component of the light directing mechanism directs a received optical signal to a second reflecting component of the light directing mechanism via the reflective surface of the signal propagating material. The second reflecting component of the light directing mechanism directs the respective incident optical signal to the selected one of the plurality of optical output means.Type: GrantFiled: September 30, 2005Date of Patent: June 12, 2007Assignee: Lucent Technologies Inc.Inventors: Nagesh R. Basavanhally, Dan M. Marom
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Apparatus comprising an array of tightly spaced rotatable optical elements with two axes of rotation
Patent number: 7126250Abstract: In one embodiment, a rotatable element includes a plate, a plate support, a cradle, and a cradle support. The plate is coupled to the cradle via the plate support. The cradle is coupled to a surrounding frame by the cradle support. The plate and cradle are suspended over a cavity so that, in conjunction with the plate support and the cradle support, both the plate and cradle are capable of freely rotating about different axes of rotation when suitably actuated. Since the plate is capable of rotating independently of the cradle, yet also rotates when the cradle is rotated, the plate is rotatable about two axes of rotation. In some cases, the axis of rotation of the plate is perpendicular to the axis of rotation of the cradle. Since the cradle does not surround the plate, the plates of adjacent rotatable elements can be placed very close to one another (i.e., as close as about 1 micron) to provide, for example, an array of very-closely-spaced mirrors.Type: GrantFiled: October 3, 2005Date of Patent: October 24, 2006Assignee: Lucent Technologies Inc.Inventors: Dennis S. Greywall, Dan M. Marom -
Patent number: 6984917Abstract: A rotatable element includes a plate, a plate support, a cradle and a cradle support. The plate is coupled to the cradle via the plate support. The cradle is coupled to a surrounding frame by the cradle support. The plate and cradle are suspended over a cavity so that, in conjunction with the plate support and the cradle support, both the plate and cradle are capable of freely rotating about different axes of rotation when suitably actuated. Since the plate is capable of rotating independently of the cradle, yet also rotates when the cradle is rotated, the plate is rotatable about two axes of rotation. In some cases, the axis of rotation of the plate is perpendicular to the axis of rotation of the cradle. Since the cradle does not surround the plate, the plates of adjacent rotatable elements can be placed very close to one another (i.e., as close as about 1 micron) to provide, for example, an array of very-closely-spaced mirrors.Type: GrantFiled: June 6, 2002Date of Patent: January 10, 2006Assignee: Lucent Technologies Inc.Inventors: Dennis S. Greywall, Dan M. Marom
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Publication number: 20040212864Abstract: A rotatable element includes a plate, a plate support, a cradle and a cradle support. The plate is coupled to the cradle via the plate support. The cradle is coupled to a surrounding frame by the cradle support. The plate and cradle are suspended over a cavity so that, in conjunction with the plate support and the cradle support, both the plate and cradle are capable of freely rotating about different axes of rotation when suitably actuated. Since the plate is capable of rotating independently of the cradle, yet also rotates when the cradle is rotated, the plate is rotatable about two axes of rotation. In some cases, the axis of rotation of the plate is perpendicular to the axis of rotation of the cradle. Since the cradle does not surround the plate, the plates of adjacent rotatable elements can be placed very close to one another (i.e., as close as about 1 micron) to provide, for example, an array of very-closely-spaced mirrors.Type: ApplicationFiled: June 6, 2002Publication date: October 28, 2004Inventors: Dennis S. Greywall, Dan M. Marom
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Patent number: 6041151Abstract: An optical switch for switching first and second input beams linearly polarized in the same direction which has a first half wave plate for rotating the polarization optically coupled to the second input beam, the first input beam and the output of the half wave plate input to a first polarization beam displacer which provides a combined beam, the output of which is connected to a controllable half wave gate which in a passive state passes the combined beam gate and in the active state passes the combined beamed rotated by 90 degree to an output Gate in dependence of a controlled signal input to the controllable wave gate. The output of the controllable wave gate is input to a second polarization beam displacer which refracts light into first and second refracted output beams displaced from each other a predetermined distance and a second half wave plate.Type: GrantFiled: February 17, 1998Date of Patent: March 21, 2000Assignee: Ramot University Authority for Applied Research & Industrial Development Ltd.Inventors: David Mendlovic, Dan M. Marom