[go: up one dir, main page]

Sreeraj et al., 2024 - Google Patents

A Dither Free Automatic Bias Controller for Multichannel Optical Upconversion Systems

Sreeraj et al., 2024

Document ID
13555919769434793375
Author
Sreeraj S
Dutta J
Koilpillai R
Venkitesh D
Publication year
Publication venue
2024 IEEE Opto-Electronics and Communications Conference (OECC)

External Links

Snippet

In this work, we demonstrate a dither-free automatic bias controller for dense wavelength division multiplexing-based multichannel analog radio over fiber systems. The analog optical transport is implemented as an optical doubling scheme using a two-stage external …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5053—Laser transmitters using external modulation using a parallel, i.e. shunt, combination of modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/506—Multi-wavelength transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/548—Phase or frequency modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/58—Compensation for non-linear transmitter output
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters

Similar Documents

Publication Publication Date Title
Hraimel et al. Optical single-sideband modulation with tunable optical carrier to sideband ratio in radio over fiber systems
Nagatsuma et al. Real-time 100-Gbit/s QPSK transmission using photonics-based 300-GHz-band wireless link
US7761012B2 (en) Optical communication system and method for generating dark return-to zero and DWDM optical MM-Wave generation for ROF downstream link using optical phase modulator and optical interleaver
Kemal et al. Multi-wavelength coherent transmission using an optical frequency comb as a local oscillator
CN112583492A (en) Method and apparatus for detecting and compensating for power imbalance and modulation imperfections for coherent optical transmitters
Li et al. Photonic vector signal generation at W-band employing an optical frequency octupling scheme enabled by a single MZM
US20210211202A1 (en) Optical transmitter with mach-zehnder modulator and method for operating the same
US9407375B2 (en) Optical transfer linearity using test tones
US12355491B2 (en) Optical modulator control system for interconnect transceivers
Noweir et al. Linearization of radio-over-fiber cloud-RAN transmitters using pre-and post-distortion techniques
Wang et al. Microwave photonic link with improved SFDR using two parallel MZMs and a polarization beam combiner
Drayss et al. Optical arbitrary waveform generation (OAWG) using actively phase-stabilized spectral stitching
Wang et al. Detection and compensation of power imbalance, modulation strength, and bias drift in coherent IQ transmitter through digital filter
Wang et al. Photonic generation of high fidelity RF sources for mobile communications
Sreeraj et al. A Dither Free Automatic Bias Controller for Multichannel Optical Upconversion Systems
Lakshmijayasimha et al. Optical linewidth tolerant mmW generation employing a dual-stage active demultiplexer
JP2015008388A (en) Drive signal generator, optical transmitter, polarization multiplex transmitter and drive signal generating method
Cano et al. 25-Gb/s laser modulated EML with high output power
Wu et al. Simple and precise characterization of full-field frequency response for coherent TOSA
US20040067067A1 (en) Optical frequency controlling device for ultra-dense wavelength-division-multiplexed optical channels
Bhatia et al. All-optical multiorder distortion elimination in a phase-modulated microwave photonic link
Füllner et al. Photonic-electronic arbitrary-waveform generation using quadrature multiplexing and active optical-phase stabilization
Shi et al. 84 GHz millimeter-wave PAM4 signal generation based on one PDM-MZM modulator and one polarizer without DAC and filters
Lima et al. 5G new radio photonically-amplified Xhaul
Xu et al. Long-reach multicast high split-ratio wired and wireless WDM-PON using SOA for remote upconversion