Patents by Inventor Andrew Daiber
Andrew Daiber 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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Publication number: 20220376463Abstract: Systems and methods here may include improved tunable lasers having a tunable filter and a tunable channel selector that can control precisely the wavelength and the bandwidth of the light emitted by the laser, while suppressing light that may otherwise be emitted by the laser outside the desired wavelength and bandwidth with unidirectional ring lasers having a resonator of which forms a ring and where light propagates only in one of the two possible directions.Type: ApplicationFiled: May 19, 2022Publication date: November 24, 2022Inventors: Andrew Daiber, Sergei Sochava
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Patent number: 8559091Abstract: A method comprising forming two or more frames from a first wafer, forming two or more etalons from a second wafer, disposing a resistive thermal device on each of the two or more frames, dicing the first wafer and the second wafer, and bonding each of the frames to a corresponding one of the etalons to form optical subassemblies of optical filters.Type: GrantFiled: September 14, 2011Date of Patent: October 15, 2013Assignee: Emcore CorporationInventors: Marc Finot, Mark McDonald, Andrew Daiber
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Patent number: 8238015Abstract: A method comprising generating an optical beam with a laser, filtering the optical beam to select a desired wavelength with an etalon positioned in a path of the optical beam, heating the etalon to an operational temperature using a heater, monitoring the operational temperature of the etalon with a resistive thermal device disposed in or on a thermally conductive frame bonded to the etalon, and applying feedback control of the heater based on the monitoring to select the desired wavelength.Type: GrantFiled: May 6, 2011Date of Patent: August 7, 2012Assignee: Emcore CorporationInventors: Marc Finot, Mark McDonald, Andrew Daiber
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Publication number: 20120000600Abstract: Briefly, in accordance with one or more embodiments, a thermally controlled optical filter comprises a frame coupled to an etalon where the frame includes a resistive thermal device disposed on the frame to obtain thermal measurements of the etalon during operation. The frame may be generally L-shaped or generally square-shaped. The frame may include a fillet that is generally planar, generally beveled or trapezoidal, or generally circular in shape. A heater may be additionally disposed on the frame. The etalon and frame subassembly may be bonded to a micro hot plate that is capable of heating the etalon to an operational temperature.Type: ApplicationFiled: September 14, 2011Publication date: January 5, 2012Applicant: EMCORE CORPORATIONInventors: Marc Finot, Mark McDonald, Andrew Daiber
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Publication number: 20110211599Abstract: Briefly, in accordance with one or more embodiments, a thermally controlled optical filter comprises a frame coupled to an etalon where the frame includes a resistive thermal device disposed on the frame to obtain thermal measurements of the etalon during operation. The frame may be generally L-shaped or generally square-shaped. The frame may include a fillet that is generally planar, generally beveled or trapezoidal, or generally circular in shape. A heater may be additionally disposed on the frame. The etalon and frame subassembly may be bonded to a micro hot plate that is capable of heating the etalon to an operational temperature.Type: ApplicationFiled: May 6, 2011Publication date: September 1, 2011Applicant: EMCORE CORPORATIONInventors: Marc Finot, Mark McDonald, Andrew Daiber
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Publication number: 20110150014Abstract: An analog circuit including a voltage divider for providing a first voltage corresponding to an actual temperature of said thermal tuning element of the laser; an analog comparator generating an analog output current for comparing the first voltage with a reference voltage, the reference voltage being representative of a temperature of said thermal tuning element of the laser corresponding to a desired wavelength of the laser; and a heating element thermally coupled to said thermal tuning element, wherein the analog comparator increases said analog current to the heating element, when the first voltage is less than the reference voltage; and decreases said analog current to the heating element, when the first voltage is larger than the second reference voltage.Type: ApplicationFiled: August 13, 2009Publication date: June 23, 2011Inventors: Andrew Daiber, Mark Stephen Rice, Timothy L. Robertson
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Patent number: 7961374Abstract: Briefly, in accordance with one or more embodiments, a thermally controlled optical filter comprises a frame coupled to an etalon where the frame includes a resistive thermal device disposed on the frame to obtain thermal measurements of the etalon during operation. The frame may be generally L-shaped or generally square-shaped. The frame may include a fillet that is generally planar, generally beveled or trapezoidal, or generally circular in shape. A heater may be additionally disposed on the frame. The etalon and frame subassembly may be bonded to a micro hot plate that is capable of heating the etalon to an operational temperature.Type: GrantFiled: June 28, 2010Date of Patent: June 14, 2011Assignee: Emcore CorporationInventors: Marc Finot, Mark McDonald, Andrew Daiber
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Publication number: 20110033192Abstract: According to one embodiment, the present application includes a tunable optical transmitter configured in a small package. The tunable optical transmitter includes a housing with a volume formed by exterior walls. An electrical input interface is positioned at the first end of the housing and configured to receive an information-containing electrical signal. An optical output interface is positioned at the second end of the housing and configured to transmit an optical communication beam. A tunable semiconductor laser is positioned in the interior space and operable to emit a laser beam having a selectable wavelength. A semiconductor-based modulator is positioned in the interior space along an optical path of the laser beam and operatively coupled to the optical output interface. The semiconductor-based modulator is configured to impart modulation to the laser beam corresponding to an information-containing electrical signal received through the electrical input interface.Type: ApplicationFiled: August 6, 2009Publication date: February 10, 2011Applicant: EMCORE CorporationInventors: Andrew Daiber, Sergei Sochava, Brad Vaughn Johnson
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Publication number: 20100265560Abstract: Briefly, in accordance with one or more embodiments, a thermally controlled optical filter comprises a frame coupled to an etalon where the frame includes a resistive thermal device disposed on the frame to obtain thermal measurements of the etalon during operation. The frame may be generally L-shaped or generally square-shaped. The frame may include a fillet that is generally planar, generally beveled or trapezoidal, or generally circular in shape. A heater may be additionally disposed on the frame. The etalon and frame subassembly may be bonded to a micro hot plate that is capable of heating the etalon to an operational temperature.Type: ApplicationFiled: June 28, 2010Publication date: October 21, 2010Applicant: EMCORE CORPORATIONInventors: Marc Finot, Mark McDonald, Andrew Daiber
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Patent number: 7771071Abstract: Briefly, in accordance with one or more embodiments, a thermally controlled optical filter comprises a frame coupled to an etalon where the frame includes a resistive thermal device disposed on the frame to obtain thermal measurements of the etalon during operation. The frame may be generally L-shaped or generally square-shaped. The frame may include a fillet that is generally planar, generally beveled or trapezoidal, or generally circular in shape. A heater may be additionally disposed on the frame. The etalon and frame subassembly may be bonded to a micro hot plate that is capable of heating the etalon to an operational temperature.Type: GrantFiled: March 30, 2007Date of Patent: August 10, 2010Assignee: Emcore CorporationInventors: Marc Finot, Mark McDonald, Andrew Daiber
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Patent number: 7711219Abstract: Thermally tunable optical dispersion compensation (ODC) devices are disclosed. In one aspect, an ODC device may include multiple Gires-Tournois (G-T) etalons. The etalons may be optically coupled together. The etalons may compensate for optical dispersion by collectively delaying light. At least one of the G-T etalons may have a temperature dependent partial reflector. The ODC device may also include at least one thermal device to change the temperature of the G-T etalon having the temperature dependent partial reflector. Methods of making and using the ODC devices are also disclosed, as well as various systems including the ODC devices.Type: GrantFiled: February 25, 2008Date of Patent: May 4, 2010Assignee: Intel CorporationInventors: Mark McDonald, Andrew Daiber
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Patent number: 7706418Abstract: A structured sub-mount assembly is disclosed to support a hybrid assembly of tunable filters. The sub-mount assembly is constructed to provide a high thermal resistance path and high mechanical resonance frequency. Optionally, the structured sub-mount assembly includes a temperature-controlled phase adjust component disposed approximately midway between the two tunable filters. The structured sub-mount assembly may be part of a tunable laser or other application.Type: GrantFiled: December 30, 2007Date of Patent: April 27, 2010Assignee: Intel CorporationInventors: Mark McDonald, Andrew Daiber
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Patent number: 7616847Abstract: Optical dispersion compensation (ODC) devices are disclosed. In one aspect, an ODC device may include first and second groups of optical resonator devices coupled together to compensate for optical dispersion by collectively delaying light. The first group of optical resonator devices may have a first group delay curve with a convex shape between peaks in frequency. The second group of optical resonator devices may have a second group delay curve with a concave shape at a peak in frequency. The ODC device may also include one or more thermal devices to change the temperature of the first group of optical resonator devices as a group, and one or more additional thermal devices to change the temperature of the second group of optical resonator devices as a group. Methods of making and using the ODC devices are also disclosed, as well as various systems including the ODC devices.Type: GrantFiled: March 31, 2006Date of Patent: November 10, 2009Assignee: Intel CorporationInventor: Andrew Daiber
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Publication number: 20090168816Abstract: A structured sub-mount assembly is disclosed to support a hybrid assembly of tunable filters. The sub-mount assembly is constructed to provide a high thermal resistance path and high mechanical resonance frequency. Optionally, the structured sub-mount assembly includes a temperature-controlled phase adjust component disposed approximately midway between the two tunable filters. The structured sub-mount assembly may be part of a tunable laser or other application.Type: ApplicationFiled: December 30, 2007Publication date: July 2, 2009Inventors: MARK MCDONALD, Andrew Daiber
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Patent number: 7468996Abstract: According to embodiments of the present invention, an external cavity laser includes one or more tuning elements. At least one modulated voltage signal or dither is used to lock the transmission peak of the two tuning elements to each other. The wavelength of the laser also may lock onto the lock transmission peaks. In embodiments in which two dither signals are used, the dither signals may be orthogonal to or independent of each other. The two dither signals may produce two control signals to align the transmission peak of one filter to the transmission peak of another filter and the lasing mode of the laser to the aligned filters.Type: GrantFiled: December 29, 2006Date of Patent: December 23, 2008Assignee: Intel CorporationInventors: Andrew Daiber, Anand S. Ramalingam, Jiann-Chang Lo, Douglas A. Sprock, William B. Chapman
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Publication number: 20080239453Abstract: Briefly, in accordance with one or more embodiments, a thermally controlled optical filter comprises a frame coupled to an etalon where the frame includes a resistive thermal device disposed on the frame to obtain thermal measurements of the etalon during operation. The frame may be generally L-shaped or generally square-shaped. The frame may include a fillet that is generally planar, generally beveled or trapezoidal, or generally circular in shape. A heater may be additionally disposed on the frame. The etalon and frame subassembly may be bonded to a micro hot plate that is capable of heating the etalon to an operational temperature.Type: ApplicationFiled: March 30, 2007Publication date: October 2, 2008Inventors: Marc Finot, Mark McDonald, Andrew Daiber
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Publication number: 20080181552Abstract: Thermally tunable optical dispersion compensation (ODC) devices are disclosed. In one aspect, an ODC device may include multiple Gires-Tournois (G-T) etalons. The etalons may be optically coupled together. The etalons may compensate for optical dispersion by collectively delaying light. At least one of the G-T etalons may have a temperature dependent partial reflector. The ODC device may also include at least one thermal device to change the temperature of the G-T etalon having the temperature dependent partial reflector. Methods of making and using the ODC devices are also disclosed, as well as various systems including the ODC devices.Type: ApplicationFiled: February 25, 2008Publication date: July 31, 2008Inventors: Mark McDonald, Andrew Daiber
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Patent number: 7403679Abstract: Thermally tunable optical dispersion compensation (ODC) devices are disclosed. In one aspect, an ODC device may include multiple Gires-Tournois (G-T) etalons. The etalons may be optically coupled together. The etalons may compensate for optical dispersion by collectively delaying light. At least one of the G-T etalons may have a temperature dependent partial reflector. The ODC device may also include at least one thermal device to change the temperature of the G-T etalon having the temperature dependent partial reflector. Methods of making and using the ODC devices are also disclosed, as well as various systems including the ODC devices.Type: GrantFiled: March 31, 2006Date of Patent: July 22, 2008Assignee: Intel CorporationInventors: Mark McDonald, Andrew Daiber
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Publication number: 20080159340Abstract: According to embodiments of the present invention, an external cavity laser includes one or more tuning elements. At least one modulated voltage signal or dither is used to lock the transmission peak of the two tuning elements to each other. The wavelength of the laser also may lock onto the lock transmission peaks. In embodiments in which two dither signals are used, the dither signals may be orthogonal to or independent of each other. The two dither signals may produce two control signals to align the transmission peak of one filter to the transmission peak of another filter and the lasing mode of the laser to the aligned filters.Type: ApplicationFiled: December 29, 2006Publication date: July 3, 2008Inventors: Andrew Daiber, Anand S. Ramalingam, Jiann-Chang Lo, Douglas A. Sprock, William B. Chapman
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Publication number: 20080025730Abstract: Optical transponders incorporating an optical dispersion compensator (“ODC”) to perform an adjustable, frequency dependent correction of an optical signal are described and claimed. The ODC is adjusted by a feedback controller that responds to information from at least one signal analyzer. Systems using similar ODC-equipped optical transponders are also described and claimed.Type: ApplicationFiled: June 29, 2006Publication date: January 31, 2008Inventors: Thomas J. Giovannini, Anthony L. Chun, Andrew Daiber, Jan Peeters Weem