Oct 20, 2025
We propose a novel wavelength-division-multiplexed passive optical network (WDM-PON) architecture with enhanced tolerance toward chromatic dispersion where a DPSK-modulated
Nov 25, 2025
Abstract This paper depicts the design of passive optical network (PON) using advance modulation schemes delivering efficient solution to users.
Jan 10, 2026
Abstract We demonstrate, by partial experiment and simulation, a re-modulation scheme of the lightwave carrier imbedded in a downstream optical signals under
Feb 14, 2026
We propose and demonstrate a novel wavelength remodulation scheme using differential phase-shift keying (DPSK) modulation format in both downstream and upstream signals for ldquocolorlessrdquo
May 24, 2026
We proposed an arrayed waveguide granting (AWG) based 10 Gbps full duplex wavelength division multiplexing passive optical network (WDM-PON) utilizing a return-to-zero
Aug 12, 2025
When you have to choose what type of modulation is selected for an optical system, you must also decide the type of receptor to use and the cost benefit of its use. This paper presents the evaluation
Aug 20, 2025
Simulation results indicate that error-free operation can be achieved in a 20-km transmission, and the receiver sensitivity of return-to-zero differential phase-shift keying (RZ-DPSK)
Sep 28, 2025
We experimentally demonstrate and analyze a 10 Gbit/s full duplex wavelength division multiplexing passive optical network (WDM-PON) system.
Oct 03, 2025
But, in near future, advanced modulations such as DQPSK and DPSK are needed due to their high spectral efficiency and has power to combat with dispersions effects. Moreover, wavelength reuse is
Sep 23, 2025
In this letter, we propose a novel remodulation scheme using downstream DPSK, with a reduced modulation depth (RMD), and upstream OOK to enhance the tolerance to CD for upstream signal
Jan 31, 2026
To generate a DPSK optical signal either a phase modulator or a Mach-Zehnder modulator is commonly employed, however this inherently adds an additional component to the OLT transmitter.
Sep 09, 2025
We investigate the use of optical differential phase-shift keying (DPSK) as the downstream modulation format in a low-cost upstream data remodulation scheme for a wavelength
Jul 24, 2025
Wavelength Remodulation Using DPSK Down-and-Upstream With High Extinction Ratio for 10-Gb/s DWDM-Passive Optical Networks C. W. Chow, Member, IEEE
Jun 02, 2026
Request PDF | Non-reciprocal optical phase modulation for integrated NRZ/DPSK data re-modulation in optical access networks | We show that the non-reciprocity of traveling-wave
Nov 05, 2025
We propose a scheme for mitigating Rayleigh backscattering noise and demodulating differential phase-shift keying (DPSK) signals in wavelength-division-multiplexed passive optical...
Jun 06, 2026
Wavelength Remodulation Using DPSK Down-and-Upstream With High Extinction Ratio for 10-Gb/s DWDM-Passive Optical Networks February
Apr 25, 2026
H04B10/677 — Optical arrangements in the receiver for all-optical demodulation of the input optical signal for differentially modulated signal, e.g. DPSK signals
Oct 29, 2025
In this thesis I propose and experimentally demonstrate a novel wavelength remodulation scheme for WDM PONs that employs Differential Phase Shift Keying (DPSK) for downstream and Return to Zero
Dec 08, 2025
Moreover, to meet the transmission requirements and signal sensing and recognition needs in future optical networks, this study employs the
Jun 19, 2026
Request PDF | Wavelength re-generation and re-modulation using optical phase lock loop techniques for 100-Gb/s DQPSK up-stream transmission in DWDM passive optical networks | We
Jul 27, 2025
In this investigation, we propose and experimentally demonstrate the remodulation technique using DPSK format in both downlink and uplink traffics with high extinction ratio (ER) in
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