Signal generating systems and methods are described. One signal generation system includes first and second lasers configured to generate first and second laser beams having respective frequencies wherein a difference in the respective frequencies corresponds to an output frequency, a photodetector configured to produce a signal at the output frequency, and first and second electro-optic …

Legal parties

Inventors (applicants): Janusz Murakowski, Dennis W. Prather, Garrett Schneider
Assignees (initial): Phase Sensitive Innovations, Inc. (Newark, US)
Agents: Panitch Schwarze Belisario & Nadel LLP (attorney)

The application was examined by Dung Nguyen (USPTO dept. 2828)


  • 1. A signal generating system comprising: …
  • 2. The signal generating system of claim 1 , further comprising a signal generator configured …
  • 3. The signal generating system of claim 1 , further comprising a splitter connected to the output …

Cited documents


  • Livas et al. US 2010/0135342 A1, Jun. 1, 2010
  • Watson et al. US 2004/0051936 A1, Mar. 1, 2004
  • Sternklar et al. US 2005/0259997 A1, Nov. 1, 2005
  • Yap et al. US 2003/0090767 A1 / 359/181, May. 1, 2003
  • Mohageg et al. US 2011/0255094 A1 / 356/461, Oct. 1, 2011
  • Lust et al. US 2007/0076776 A1 / 372/56, Apr. 1, 2007


Brief Description of the Drawings

Exemplary embodiments will be explained in greater detail below with reference to the figures, in which: FIG. 1 is a block diagram depicting an exemplary system for generating a signal …


Field of the Invention

The present invention relates in general to a carrier wave generation system and, more specifically, to carrier waves generated using nonlinear optical phenomena to achieve high spectral-purity …

Cross-Reference to Related Applications

This Application is a U.S. National Stage of PCT International Application No. PCT/US2012/021634, filed on Jan. 18, 2012, and claims priority to U.S. Provisional Application No. 61/433,554, filed on Jan. …

Detailed Description of the Invention

Hereinafter, the embodiments of the present invention described below relate to a configuration of a signal generation system which uses a scheme based on nonlinear optical mixing to produce phase-locking …

More details about High Spectral-Purity Carrier Wave Generation by Nonlinear Optical Mixing

Miscellaneous patent data

Developed by Janusz Murakowski et al., the application was published on Jan. 18, 2012, the agent's company - Panitch Schwarze Belisario & Nadel LLP, the patent is illustrated by 6 drawings, similar classification categories are comprising quantum well or superlattice structures, e.g. single quantum well lasers, Mountings, Housings, controlling a device placed within the cavity, Plural Q-switches, Constructional details, having a grooved structure, e.g. V-grooved, gaseous, Excimer or exciplex, Gases, Construction or shape of active medium, Active media with particular shape, Distributed feedback, Power, Gas dynamic lasers, i.e. with expansion of the laser gas medium to supersonic flow speeds, Controlling current or voltage to laser, claims 1-25 comprise the invention scope, the patent was granted on Sep. 30, 2014, explained by 7 figures, the grant number is 08848752, the inventor's last name is Schneider, and his first name is Garrett, the inventor's location - New Castle, DE, the patent particularly claims a signal generating system comprising…, categorized under Frequency as a primary classification, located in Newark (US), the assignee company is Phase Sensitive Innovations, Inc., assigned to a United States company, the examination was conducted by Dung Nguyen (primary examiner, 2828 USPTO department), the exemplary claims include number 1, the application number is 13/979,792 (U.S.), includes the following drawings: Graph of a second modulated, Block diagram depicting an exemplary, Graph of a first modulated, High Spectral-Purity Carrier Wave Generation, the invention is named High Spectral-Purity Carrier Wave Generation by Nonlinear Optical Mixing, the recorded applicant's name is Dennis W. Prather, the applicant's city - Newark, state - DE.

Invention classification information

The invention is classified under Stabilising the frequency of the laser, Frequency multiplying, e.g. harmonic generation, based on ceramics or electro-optical crystals, e.g. exhibiting Pockels or Kerr effect, Optical output stabilization, Mode locking, Mode suppression, Mode selection, Demodulating light, Transferring the modulation of modulated light, Frequency-changing of light, Semiconductor lasers, Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating, Phase, Arrangement of two or more semiconductor lasers, not provided for in groups H01S 5/02-H01S 5/30, Modulation, Frequency, Frequency. The designated search classifications include Modulation, Optical output stabilization, Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves, Frequency, Phase.

Patent details
Publication number 08848752
Publication date Sep. 30, 2014
Kind code B2
Application number 13/979,792
Application date Jan. 18, 2012
Application type U
Application series code 13
Int. pub. country WO
Int. pub. number WO2012/099914
Int. publication Jul. 26, 2012
Int. filing country WO
Int. filing PCT/US2012/021634
Filed internationally Jan. 18, 2012
National stage date Jul. 15, 2013
National classification 372/28
Total number of claims 25
Exemplary claims 1
Number of drawings 6
Number of figures 7
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