Search Results - "Dúill, Seán P.Ó."

Pump linewidth requirements for processing dispersion-altered DQPSK signals using FWM by Dúill, Seán P.Ó., Naimi, Sepideh T., Barry, Liam P.

“…We report on a potentially deleterious issue regarding the four-wave mixing (FWM)-based processing of dispersion-altered signals. We estimate the…”
Get full text

Comment on: "Impact of Nonlinear Phase Noise on All-Optical Wavelength Conversion of 10.7 GBaud QPSK Data Using Dual Correlated Pumps" by Anthur, Aravind P., Watts, Regan T., O'Duill, Sean P., Zhou, Rui, Venkitesh, Deepa, Barry, Liam P.

“…We recently presented results pertaining to the impact of nonlinear phase noise on the wavelength conversion of quadrature phase shift signals using four-wave…”
Get full text

Reflective-SOA Fiber Cavity Laser as Directly Modulated WDM-PON Colorless Transmitter by Gebrewold, Simon A., Marazzi, Lucia, Parolari, Paola, Brenot, Romain, Dúill, Seán P. Ó, Bonjour, Romain, Hillerkuss, David, Hafner, Christian, Leuthold, Juerg

“…Reflective semiconductor optical amplifier (RSOA) fiber cavity lasers are attractive colorless, self-seeded, self-tuning, and directly modulatable sources for…”
Get full text

Analytical Approach to Assess the Impact of Pulse-to-Pulse Phase Coherence of Optical Frequency Combs by O'Duill, Sean P., Rui Zhou, Anandarajah, Prince M., Barry, Liam P.

“…We derive analytical expressions to show that the pulse-to-pulse phase coherence is critical to generate an optical frequency comb with clearly defined comb…”
Get full text

Estimation of the Performance Improvement of Pre-Amplified PAM4 Systems When Using Multi-Section Semiconductor Optical Amplifiers by Ó Dúill, Seán, Landais, Pascal, Barry, Liam

“…Multi-section semiconductor optical amplifiers (SOA) have been shown to have superior noise and linearity performance compared with single section SOAs. We…”
Get full text

Fast Reconfigurable SOA-Based Wavelength Conversion of Advanced Modulation Format Data by Lin, Yi, P. Anthur, Aravind, P. Ó Dúill, Sean, Liu, Fan, Yu, Yonglin, P. Barry, Liam

“…We theoretically analyze the phase noise transfer issue between the pump and the wavelength-converted idler for a nondegenerate four-wave mixing (FWM) scheme,…”
Get full text

All-optical wavelength conversion of spectrally-efficient modulation formats for future networks by Duill, Sean P. O., Naimi, Sepideh T., Huynh, Tam N., Barry, Liam P., Anthur, Aravind P., Venkitesh, Deepa

“…We present simulation results of a wavelength conversion scheme that adds no additional phase-noise to the converted signal. The scheme uses an optical comb…”
Get full text

Performance of an Injection-Locked Active Demultiplexer for FSR-Tunable Optical Frequency Combs by Lakshmijayasimha, Prajwal Doddaballapura, Martin, Eamonn P., O Duill, Sean P., Landais, Pascal, Anandarajah, Prince M., Kaszubowska-Anandarajah, Aleksandra

“…An active injection-locked demultiplexer for optical combs with flexible channel spacing is demonstrated. Relationships between the injected power and…”
Get full text

Impact of Random Group Delay Ripple on the Cascadability of Wavelength Select Switches for Nyquist-Pulse-Shaped Signals by Duill, Sean P. O., Barry, Liam P.

“…We report on the impact that the random group delay ripple of wavelength select switches has on Nyquist-pulse-shaped signals and on the cascadability of…”
Get full text

Simulations of an OSNR-Limited All-Optical Wavelength Conversion Scheme by Duill, Sean P. O., Naimi, Sepideh T., Anthur, Aravind P., Huynh, Tam N., Venkitesh, Deepa, Barry, Liam P.

“…We present simulations of a scheme to perform wavelength conversion of signals that eliminates phase-noise transfer from the pump to the converted signal…”
Get full text

Numerical investigation into the dynamics of externally-injected, gain-switched lasers for optical comb generation by Duill, Sean P. O., Rui Zhou, Anandarajah, Prince M., Barry, Liam P.

“…We present simulation results of the nonlinear dynamics of externally-injected, gain-switched laser comb sources. We implement a fully-stochastic laser model…”
Get full text

Phase noise tolerant wavelength conversion of Nyquist-WDM superchannels using FWM in SOAs by Duill, Sean P. O., Naimi, Sepideh T., Barry, Liam P.

“…Nyquist-WDM superchannel technology, which involves the combination of several lower data rate optical wavelength carriers (sub-channels), is a suitable…”
Get full text