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Browse by Category: Main > Optical & Optics
Class Information
Number: 359/239
Name: Optical: systems and elements > Optical modulator > Light wave temporal modulation (e.g., frequency, amplitude, etc.) > Modulator output feedback to modulator
Description: Subject matter wherein the light beam output from the modulator is fed back into the modulator input.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8659814 Parametric regenerative oscillators based on opto-electronic feedback and optical regeneration via nonlinear optical mixing in whispering gallery mode optical resonators Feb. 25, 2014
8642918 Adaptive optic beamshaping in laser processing systems Feb. 4, 2014
8570635 Apparatus and methods relating to wavelength conditioning of illumination Oct. 29, 2013
8531753 Adaptive optical filter Sep. 10, 2013
8503056 Bias point control circuit for externally modulated transmitter Aug. 6, 2013
8493647 Compensation method, optical modulation system, and optical demodulation system Jul. 23, 2013
8417076 Tunable photonic microwave or radio frequency receivers based on electro-optic optical whispering gallery mode resonators Apr. 9, 2013
8400702 Optical modulation device and optical modulation method Mar. 19, 2013
8391724 Optical modulator, optical transmission device, and bias adjusting method Mar. 5, 2013
8379285 Radio frequency self-regenerated locked optical oscillator Feb. 19, 2013
8379286 Integrated angle of arrival sensing and duplex communication with cats-eye multiple quantum well modulating retroreflector Feb. 19, 2013
8373692 Light modulator, projection display apparatus and image projection method Feb. 12, 2013
8331008 Photonic microwave and RF receivers based on electro-optic whispering-gallery-mode resonators Dec. 11, 2012
8300669 Control system and apparatus for use with ultra-fast laser Oct. 30, 2012
8280201 Traveling wave Mach-Zehnder optical device Oct. 2, 2012
8274726 Method for utilizing properties of the sinc(x) function for phase retrieval on nyquist-under-sampled data Sep. 25, 2012
8243354 Control apparatus and method of external modulator Aug. 14, 2012
8203777 Bias controller Jun. 19, 2012
8175465 Bias control apparatus and method for optical modulator May. 8, 2012
8159736 Tunable single sideband modulators based on electro-optic optical whispering gallery mode resonators and their applications Apr. 17, 2012
8159737 Controlling the phase of optical carriers Apr. 17, 2012
8145067 Optical transmitter Mar. 27, 2012
8139281 Tunable optical filter apparatus and method Mar. 20, 2012
8094359 Electro-optic whispering-gallery-mode resonator devices Jan. 10, 2012
8052286 System and method for utilizing a scanning beam to display an image Nov. 8, 2011
8054524 Optical amplifier Nov. 8, 2011
7991254 Optical package with multi-component mounting frame Aug. 2, 2011
7967452 Projection type display apparatus Jun. 28, 2011
7952784 Method and device for emitting mixed light colors May. 31, 2011
7920315 Polarization-controller driving method for optical fiber transmission systems and apparatus in accordance with said method Apr. 5, 2011
7916377 Integrated control system for laser and Mach-Zehnder interferometer Mar. 29, 2011
7907324 Optical modulator and controlling method and apparatus thereof Mar. 15, 2011
7847997 Projection apparatus for scanningly projection Dec. 7, 2010
7831155 Optical transmission device Nov. 9, 2010
7826121 Use of an angle-selective retro-reflector to recapture off-state energy Nov. 2, 2010
7826122 Optical modulation apparatus Nov. 2, 2010
7801189 Cross modulation-based opto-electronic oscillator with tunable electro-optic optical whispering gallery mode resonator Sep. 21, 2010
7796319 Apparatus and methods relating to wavelength conditioning of illumination Sep. 14, 2010
7783138 Free-space integrated photodetector with reduced phase tracking error Aug. 24, 2010
7773283 Optical modulation device and optical modulation method Aug. 10, 2010
7768696 THZ wave generator Aug. 3, 2010
7733193 Systems and methods for DQPSK modulator control using selectively inserted dither tone Jun. 8, 2010
7734126 Systems and methods for chirp control of a dual arm z-modulator to minimize dispersion effect of fiber plant Jun. 8, 2010
7710628 Method and apparatus for correcting output light-amounts of spatial light modulator, image recording apparatus, and image recording method May. 4, 2010
7672033 Light modulating apparatus Mar. 2, 2010
7630651 Method and apparatus for controlling bias point of optical transmitter Dec. 8, 2009
7630417 Crystal whispering gallery mode optical resonators Dec. 8, 2009
7606501 System and method for generating optical return-to-zero signals with alternating bi-phase shift and frequency chirp Oct. 20, 2009
7580183 Light generator, optical amplifier, and optical communication system Aug. 25, 2009
7561810 Optical communication apparatus Jul. 14, 2009

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