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John M Wachsman

age ~63

from San Jose, CA

John Wachsman Phones & Addresses

  • San Jose, CA
  • Delray Beach, FL
  • 395 Evelyn Ave, Sunnyvale, CA 94086 • 408-7392799
  • Mountain View, CA
  • Lake Park, FL
  • Dublin, CA
  • Palm Beach, FL
  • Canoga Park, CA
  • San Ramon, CA
  • Alameda, CA
  • Sedona, AZ
  • 8384 Riesling Way, San Jose, CA 95135

Work

  • Position:
    Clerical/White Collar

Resumes

Us Patents

  • Variable Optical Delay

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  • US Patent:
    6614583, Sep 2, 2003
  • Filed:
    Apr 5, 2001
  • Appl. No.:
    09/826627
  • Inventors:
    John M. Wachsman - Dublin CA
  • Assignee:
    Genoa Corporation - Fremont CA
  • International Classification:
    G02F 202
  • US Classification:
    359326, 359124, 359135, 359140
  • Abstract:
    A method and system for introducing optical delay. Using a tunable laser in combination with a group velocity dispersive element, laser tuning is used to create the desired amount of optical delay.
  • Optical 2R/3R Regeneration

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  • US Patent:
    6765715, Jul 20, 2004
  • Filed:
    Dec 21, 2001
  • Appl. No.:
    10/029523
  • Inventors:
    Sol P. DiJaili - Moraga CA
    Jeffrey D. Walker - El Cerrito CA
    John M. Wachsman - Dublin CA
  • Assignee:
    Finisar Corporation - Sunnyvale CA
  • International Classification:
    H01S 300
  • US Classification:
    359344, 398175
  • Abstract:
    An optical 2R/3R regenerator is described. One or more LSOAs are used as part of the optical 2R/3R register.
  • Reconfigurable Optical Add-Drop Multiplexer

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  • US Patent:
    6829405, Dec 7, 2004
  • Filed:
    Mar 11, 2002
  • Appl. No.:
    10/095539
  • Inventors:
    John M. Wachsman - Dublin CA
    Jeffrey D. Walker - El Cerrito CA
  • Assignee:
    Finisar Corporation - Sunnyvale CA
  • International Classification:
    G02B 628
  • US Classification:
    385 24, 385 17
  • Abstract:
    An optical add drop multiplexer (OADM) comprised of a plurality of lasing semiconductor optical amplifiers for performing the switching of optical signals from various inputs to outputs in the switching fabric of the OADM.
  • Optical Logical Circuits Based On Lasing Semiconductor Optical Amplifiers

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  • US Patent:
    6853658, Feb 8, 2005
  • Filed:
    Dec 14, 2001
  • Appl. No.:
    10/020558
  • Inventors:
    Sol P. DiJaili - Moraga CA,
    Jeffrey D. Walker - El Cerrito CA,
    John M. Wachsman - Dublin CA,
  • Assignee:
    Finisar Corporation - Sunnyvale CA
  • International Classification:
    H01S003/00
    G02F003/00
  • US Classification:
    372 381, 372 3803, 359108
  • Abstract:
    Optical logic circuits are based on lazing semiconductor optical amplifiers, such as vertical lazing semiconductor optical amplifiers. For example, one or more VLSOAs with selected depletion thresholds are combined to form various optical logic devices.
  • Multistage Tunable Gain Optical Amplifier

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  • US Patent:
    6891664, May 10, 2005
  • Filed:
    Sep 28, 2001
  • Appl. No.:
    09/967859
  • Inventors:
    Sol P. DiJaili - Moraga CA,
    John M. Wachsman - Dublin CA,
  • Assignee:
    Finisar Corporation - Sunnyvale CA
  • International Classification:
    H01S003/00
  • US Classification:
    359344
  • Abstract:
    A multi-stage tunable gain optical amplifier device amplifies an optical signal by a gain amount which can be adjusted in one of the stages of the amplifier. The multi-stage amplifier includes at least two optical amplifier stages coupled in series, one of which is a tunable gain amplifier stage. The optical amplifier stages are characterized by a design parameter which varies from stage to stage. In a preferred embodiment, the design parameter includes a noise figure and a saturable power, with both parameters increasing as the optical signal propagates from stage to stage. As a result, the multi-stage tunable gain optical amplifier can achieve better noise performance and higher output power than a single stage optical amplifier with a constant noise figure and saturable power.
  • System And Method For Wavelength Conversion Using A Vlsoa

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  • US Patent:
    6950233, Sep 27, 2005
  • Filed:
    Dec 14, 2001
  • Appl. No.:
    10/017200
  • Inventors:
    Sol P. DiJaili - Moraga CA,
    John M. Wachsman - Dublin CA,
  • Assignee:
    Finisar Corporation - Sunnyvale CA
  • International Classification:
    H01S003/00
    G02F002/02
  • US Classification:
    359344, 359326
  • Abstract:
    A VLSOA is used as a wavelength converter. The signal is input to the VLSOA, and the laser output carries the signal on a second wavelength.
  • Optical 2R/3R Regeneration

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  • US Patent:
    7009760, Mar 7, 2006
  • Filed:
    May 12, 2004
  • Appl. No.:
    10/844017
  • Inventors:
    Sol P. DiJaili - Moraga CA,
    Jeffrey D. Walker - El Cerrito CA,
    John M. Wachsman - Dublin CA,
  • Assignee:
    Finisar Corporation - Sunnyvale CA
  • International Classification:
    H01S 3/00
    H04B 10/02
  • US Classification:
    359333, 398175
  • Abstract:
    Optical regenerators are disclosed, one of which includes a splitter having an input signal input, and first and second outputs, where the first output is connected to a first input of an optical flip-flop that also includes an output. A first OAND gate includes a first input connected to the output of the optical flip-flop, and also includes a second input and an output. A second OAND gate has a first input connected to the second output of the splitter, and includes a second input and an output. A variable oscillator having an input and an output is arranged so that the output is connected to the second input of the second OAND gate and to the second input of the first OAND gate. Finally, a feedback controller has an input connected to the second OAND gate output, and an output connected to the variable oscillator input.
  • Optical Logical Circuits Based On Lasing Semiconductor Optical Amplifiers

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  • US Patent:
    7113329, Sep 26, 2006
  • Filed:
    Oct 13, 2004
  • Appl. No.:
    10/963683
  • Inventors:
    Sol P DiJaili - Moraga CA,
    Jeffrey D Walker - El Cerrito CA,
    John M Wachsman - Dublin CA,
  • Assignee:
    Finisar Corporation - Sunnyvale CA
  • International Classification:
    H01S 5/02
    G02F 3/00
  • US Classification:
    359344, 359108, 372 3801
  • Abstract:
    This disclosure is concerned with digital optical circuits, including an optical astable multivibrator. In one example, an optical astable multivibrator is provided that includes a lasing semiconductor optical amplifier (LSOA), such as a VLSOA for example. The LSOA is optically coupled to a time delay component and includes a pump input, amplifier input, amplifier output, and a ballast laser output. The time delay component includes an input that is optically coupled with the ballast laser output of the LSOA. The time delay component further includes an output that is optically coupled with the amplifier input of the LSOA. The output of the LSOA is a clock signal having a periodic square waveform whose frequency is determined by the time delay component.

Business Records

Name / Title
Company / Classification
Phones & Addresses
John Wachsman
Principal
J & Sz Investment Partner
Holding Company
120 NE 7 Ave, Delray Beach, FL 33483

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Lancaster Catholic competes against Manheim T...

Congratulations to the LCHS Quiz Bowl team: John Wachsman, James Kopf,...

  • Category:
    Education
  • Uploaded:
    22 Apr, 2011
  • Duration:
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