Patents by Inventor Tullio Panarello

Tullio Panarello 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).

  • Patent number: 7817682
    Abstract: A tunable pulsed laser source comprising a seed source adapted to generate a seed signal and an optical circulator. The optical circulator includes a first port coupled to the seed source, a second port, and a third port. The laser source also includes an amplitude modulator characterized by a first side and a second side. The first side is coupled to the second port of the optical circulator. The laser source further includes a first optical amplifier characterized by an input end and a reflective end including a spectral-domain reflectance filter. The input end is coupled to the second side of the amplitude modulator. Moreover, the laser source includes a second optical amplifier coupled to the third port of the optical circulator.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: October 19, 2010
    Assignee: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard, Pascal Deladurantaye, Robert Larose, Yves Taillon, Francois Brunet
  • Patent number: 7796655
    Abstract: A tunable pulsed laser source includes a seed source adapted to generate a seed signal and an optical circulator having a first port coupled to the seed source, a second port, and a third port. The tunable pulsed laser source also includes a modulator driver adapted to produce a shaped electrical waveform and an amplitude modulator coupled to the modulator driver and adapted to receive the shaped electrical waveform. The amplitude modulator is characterized by a first side coupled to the second port of the optical circulator and a second side. The tunable pulsed laser source further includes a first optical amplifier characterized by an input end and a reflective end. The input end is coupled to the second side of the amplitude modulator. Moreover, the tunable pulsed laser source includes a second optical amplifier coupled to the third port of the optical circulator.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: September 14, 2010
    Assignee: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard
  • Patent number: 7796654
    Abstract: Methods and systems are provided to reduce stimulated Brillouin scattering in high power optical fiber amplifiers. In an embodiment, a seed source includes a narrow linewidth semiconductor laser driven with a current ramp that simultaneously sweeps the optical power and the lasing frequency at a rate fast enough to reduce stimulated Brillouin scattering.
    Type: Grant
    Filed: January 16, 2008
    Date of Patent: September 14, 2010
    Assignee: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard
  • Patent number: 7742511
    Abstract: A laser system for processing a workpiece includes a tunable pulsed laser source having an output comprising a set of optical pulses. The tunable pulsed laser source includes a seed source, an optical circulator having a first port coupled to the seed source, a second port, and a third port, a modulator driver, and an amplitude modulator coupled to the modulator driver. The tunable pulsed laser source also includes a first optical amplifier characterized by an input end and a reflective end and a second optical amplifier coupled to the third port of the optical circulator. The laser system also includes a controller configured to adjust laser parameters of the tunable pulsed laser source, a supporting member configured to support the workpiece, and an optical system configured to adjust laser beams from the tunable pulsed laser source and direct them towards the workpiece.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: June 22, 2010
    Assignee: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard
  • Patent number: 7738166
    Abstract: An optical system adapted to amplify an input signal includes an optical pump supporting the input signal and an optical pump beam. The optical pump includes an input port, a first active medium coupled to the input port, and a pump output coupled to the first active medium. The optical amplifier includes an amplifier input optically coupled to the pump output and adapted to receive the input signal after passing through the optical pump, a second active medium coupled to the amplifier input, and an amplifier output adapted to output the amplified input signal.
    Type: Grant
    Filed: November 20, 2007
    Date of Patent: June 15, 2010
    Assignee: PyroPhotonics Lasers, Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard
  • Patent number: 7724787
    Abstract: A tunable pulsed laser source comprising a seed source adapted to generate a seed signal and an optical circulator. The optical circulator includes a first port coupled to the seed source, a second port, and a third port. The laser source also includes an amplitude modulator characterized by a first side and a second side. The first side is coupled to the second port of the optical circulator. The laser source further includes a first optical amplifier characterized by an input end and a reflective end including a spectral-domain reflectance filter. The input end is coupled to the second side of the amplitude modulator. Moreover, the laser source includes a second optical amplifier coupled to the third port of the optical circulator.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: May 25, 2010
    Assignee: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard
  • Publication number: 20100110535
    Abstract: A laser amplifier includes a pump source and an optically active fiber having an input portion configured to receive a signal source and an output portion. The pump source is optically coupled to the optically active fiber. The laser amplifier also includes an output fiber optically coupled to the output portion of the optically active fiber. The output fiber includes a rare-earth element. The laser amplifier further includes a beam expansion section joined to the output fiber.
    Type: Application
    Filed: October 31, 2008
    Publication date: May 6, 2010
    Applicant: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello
  • Publication number: 20100074586
    Abstract: A system for fiber optic packaging includes a first substrate and a first deformable pad coupled to the first substrate. The first deformable pad is characterized by a thermal conductivity greater than 1 W/mK. The system also includes a fiber coil having at least a portion embedded in the first deformable pad to provide physical contact between the at least a portion of the fiber coil and the first deformable pad. The system further includes a second substrate coupled to the fiber coil and at least a portion of the first deformable pad.
    Type: Application
    Filed: September 19, 2008
    Publication date: March 25, 2010
    Applicant: PyroPhotonics Lasers Inc.
    Inventors: Tullio Panarello, Marc Blanchet, Stephane Caplette, Ghislain Lamothe
  • Patent number: 7667889
    Abstract: A method of operating an amplifier system includes providing a pump signal at a pump wavelength. The pump signal is a function of a pump power. The method also includes providing an input signal at a signal wavelength and coupling the pump signal and the input signal to an optical amplifier. The optical amplifier includes a gain medium characterized by a gain value at the signal wavelength. The method further includes amplifying the input signal to provide an output signal, detecting a feedback signal related to the gain value, and modifying the pump power based on the detected feedback signal.
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: February 23, 2010
    Assignee: Pyrophotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard
  • Publication number: 20090219959
    Abstract: A tunable pulsed laser includes a seed source and an optical circulator. The optical circulator includes at least a first port coupled to the seed source, a second port, and a third port. The laser also includes an amplitude modulator characterized by a first optical side and a second optical side. The first optical side is coupled to the second port of the optical circulator. The laser further includes a first optical amplifier characterized by an input end and a reflective end. The input end is optically coupled to the second side of the amplitude modulator. The laser additionally includes a tap coupler optically coupled to the amplitude modulator and characterized by a pre-determined split ratio. Moreover, the laser includes a first photo-detector optically coupled to the tap coupler and adapted to receive a portion of the seed signal transmitted through the amplitude modulator and to generate an output signal.
    Type: Application
    Filed: January 15, 2009
    Publication date: September 3, 2009
    Applicant: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard, Stephane Caplette
  • Publication number: 20090147808
    Abstract: A tunable pulsed laser source comprising a seed source adapted to generate a seed signal and an optical circulator. The optical circulator includes a first port coupled to the seed source, a second port, and a third port. The laser source also includes an amplitude modulator characterized by a first side and a second side. The first side is coupled to the second port of the optical circulator. The laser source further includes a first optical amplifier characterized by an input end and a reflective end including a spectral-domain reflectance filter. The input end is coupled to the second side of the amplitude modulator. Moreover, the laser source includes a second optical amplifier coupled to the third port of the optical circulator.
    Type: Application
    Filed: October 15, 2008
    Publication date: June 11, 2009
    Applicant: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard, Pascal Deladurantaye, Robert Larose, Yves Taillon, Francois Brunet
  • Publication number: 20090086773
    Abstract: A tunable pulsed laser source comprising a seed source adapted to generate a seed signal and an optical circulator. The optical circulator includes a first port coupled to the seed source, a second port, and a third port. The laser source also includes an amplitude modulator characterized by a first side and a second side. The first side is coupled to the second port of the optical circulator. The laser source further includes a first optical amplifier characterized by an input end and a reflective end including a spectral-domain reflectance filter. The input end is coupled to the second side of the amplitude modulator. Moreover, the laser source includes a second optical amplifier coupled to the third port of the optical circulator.
    Type: Application
    Filed: August 27, 2008
    Publication date: April 2, 2009
    Applicant: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard
  • Publication number: 20090080477
    Abstract: Methods and systems are provided to reduce stimulated Brillouin scattering in high power optical fiber amplifiers. In an embodiment, a seed source includes a narrow linewidth semiconductor laser driven with a current ramp that simultaneously sweeps the optical power and the lasing frequency at a rate fast enough to reduce stimulated Brillouin scattering.
    Type: Application
    Filed: January 16, 2008
    Publication date: March 26, 2009
    Applicant: PyroPhotonics Lascrs Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard
  • Publication number: 20090067455
    Abstract: A laser system for processing a workpiece includes a tunable pulsed laser source having an output comprising a set of optical pulses. The tunable pulsed laser source includes a seed source, an optical circulator having a first port coupled to the seed source, a second port, and a third port, a modulator driver, and an amplitude modulator coupled to the modulator driver. The tunable pulsed laser source also includes a first optical amplifier characterized by an input end and a reflective end and a second optical amplifier coupled to the third port of the optical circulator. The laser system also includes a controller configured to adjust laser parameters of the tunable pulsed laser source, a supporting member configured to support the workpiece, and an optical system configured to adjust laser beams from the tunable pulsed laser source and direct them towards the workpiece.
    Type: Application
    Filed: September 12, 2008
    Publication date: March 12, 2009
    Applicant: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard
  • Publication number: 20090003395
    Abstract: A tunable pulsed laser source includes a seed source adapted to generate a seed signal and an optical circulator having a first port coupled to the seed source, a second port, and a third port. The tunable pulsed laser source also includes a modulator driver adapted to produce a shaped electrical waveform and an amplitude modulator coupled to the modulator driver and adapted to receive the shaped electrical waveform. The amplitude modulator is characterized by a first side coupled to the second port of the optical circulator and a second side. The tunable pulsed laser source further includes a first optical amplifier characterized by an input end and a reflective end. The input end is coupled to the second side of the amplitude modulator. Moreover, the tunable pulsed laser source includes a second optical amplifier coupled to the third port of the optical circulator.
    Type: Application
    Filed: September 12, 2008
    Publication date: January 1, 2009
    Applicant: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard
  • Patent number: 7457329
    Abstract: A high power pulsed optical source includes a multi-port optical circulator and a seed source coupled to a first port of the multi-port optical circulator. The seed source is adapted to provide amplified spontaneous emission. The high power pulsed optical source also includes a first reflective device coupled to a second port of the multi-port optical circulator and a first double-pass optical amplifier coupled at a first end to a third port of the multi-port optical circulator and coupled at a second end to an amplitude modulator. The high power pulsed optical source also includes a second reflective device coupled to the amplitude modulator and an output port coupled to a fourth port of the multi-port optical circulator.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: November 25, 2008
    Assignee: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard
  • Patent number: 7443893
    Abstract: A tunable pulsed laser source comprising a seed source adapted to generate a seed signal and an optical circulator. The optical circulator includes a first port coupled to the seed source, a second port, and a third port. The laser source also includes an amplitude modulator characterized by a first side and a second side. The first side is coupled to the second port of the optical circulator. The laser source further includes a first optical amplifier characterized by an input end and a reflective end including a spectral-domain reflectance filter. The input end is coupled to the second side of the amplitude modulator. Moreover, the laser source includes a second optical amplifier coupled to the third port of the optical circulator.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: October 28, 2008
    Assignee: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard, Pascal Deladurantaye, Robert Larose, Yves Taillon, Francois Brunet
  • Patent number: 7428253
    Abstract: A tunable pulsed laser source includes a seed source adapted to generate a seed signal and an optical circulator having a first port coupled to the seed source, a second port, and a third port. The tunable pulsed laser source also includes a modulator driver adapted to produce a shaped electrical waveform and an amplitude modulator coupled to the modulator driver and adapted to receive the shaped electrical waveform. The amplitude modulator is characterized by a first side coupled to the second port of the optical circulator and a second side. The tunable pulsed laser source further includes a first optical amplifier characterized by an input end and a reflective end. The input end is coupled to the second side of the amplitude modulator. Moreover, the tunable pulsed laser source includes a second optical amplifier coupled to the third port of the optical circulator.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: September 23, 2008
    Assignee: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard
  • Publication number: 20080198445
    Abstract: A method of operating an amplifier system includes providing a pump signal at a pump wavelength. The pump signal is a function of a pump power. The method also includes providing an input signal at a signal wavelength and coupling the pump signal and the input signal to an optical amplifier. The optical amplifier includes a gain medium characterized by a gain value at the signal wavelength. The method further includes amplifying the input signal to provide an output signal, detecting a feedback signal related to the gain value, and modifying the pump power based on the detected feedback signal.
    Type: Application
    Filed: February 19, 2008
    Publication date: August 21, 2008
    Applicant: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard
  • Publication number: 20080130102
    Abstract: An optical system adapted to amplify an input signal includes an optical pump supporting the input signal and an optical pump beam. The optical pump includes an input port, a first active medium coupled to the input port, and a pump output coupled to the first active medium. The optical amplifier includes an amplifier input optically coupled to the pump output and adapted to receive the input signal after passing through the optical pump, a second active medium coupled to the amplifier input, and an amplifier output adapted to output the amplified input signal.
    Type: Application
    Filed: November 20, 2007
    Publication date: June 5, 2008
    Applicant: PyroPhotonics Lasers Inc.
    Inventors: Richard Murison, Tullio Panarello, Benoit Reid, Reynald Boula-Picard