Nothing Special   »   [go: up one dir, main page]

Kang et al., 2024 - Google Patents

Frequency-comb-based ultrastable terahertz-frequency synthesizer traceable to an optical reference

Kang et al., 2024

Document ID
16861651945051052173
Author
Kang G
Shin D
Kim J
Kim S
Kim Y
Publication year
Publication venue
Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVII

External Links

Snippet

The terahertz spectral regime finds applications in terahertz spectroscopy and next- generation wireless communications, necessitating improved frequency stability and accuracy. This study presents a novel approach to achieve ultra-stable terahertz continuous …
Continue reading at www.spiedigitallibrary.org (other versions)

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/087Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop

Similar Documents

Publication Publication Date Title
Ivanov et al. Study of the excess noise associated with demodulation of ultra-short infrared pulses
CN103684450B (en) Method for outputting standard frequency of coherent population beat-frequency atomic clock
US6333942B1 (en) Atomic frequency standard laser pulse oscillator
US10050722B2 (en) Signal generator, process for making and using same
CN109842450B (en) Photon type switchable microwave frequency division method and device
CN106067815B (en) Frequency synthesizer based on DDS and fractional frequency division phase-locked loop
CN103684611A (en) Phase stabilized millimeter wave generating system and method
Gubin et al. Transportable He-Ne/CH/sub 4/optical frequency standard and absolute measurements of its frequency
CN108933379A (en) Laser frequency-offset-lock system
JP4072053B2 (en) Frequency synthesizer
CN103872553B (en) Method for acquiring broadband radio frequency signal source with ultralow phase noise
Peng et al. Ultra-low phase noise and frequency agile X-band frequency synthesizer based on a phase locked optoelectronic oscillator
Kang et al. Frequency-comb-based ultrastable terahertz-frequency synthesizer traceable to an optical reference
CN111509557B (en) Device and method for direct photogenerated microwave system based on ultrastable cavity
Peng et al. Low phase noise and highly stable optoelectronic oscillator by using frequency-multiplying phase locked loop
RU2625557C1 (en) Method for determining borders of operating range of impulse generator of phase synchronisation systems and device for its implementation
Zajac et al. Upgrade of the COMPASS tokamak microwave reflectometry system with I/Q modulation and detection
Xu et al. Loop Parameters Designing Method for Optical Phase-Locked Loop System
RU75808U1 (en) QUANTUM FREQUENCY STANDARD (OPTIONS)
RU2741476C1 (en) Method for automatic adjustment of resonator of hydrogen generator
Khan et al. Highly Stable Photonic Local Carriers for Phased Array Receiver System
Gao et al. A phase noise optimizer for LFM signal based on a microwave photonic phase detector
Hilton et al. Heterodyne fiber interferometer for frequency-noise reduction and rapid wide-band tunability of a conventional laser source
Zhang et al. Ultra-low noise microwave extraction from fiber-based optical frequency comb
Hyun et al. Optical frequency comb integration in radio telescopes: advancing signal generation and phase calibration