125 Gbit/s discretely tunable InP-on-silicon filtered feedback laser with sub-nanosecond wavelength switching times [PDF]
, 2018 A heterogeneously integrated InP-on-silicon fast tunable filtered feedback laser is demonstrated. The laser device consists of a main Fabry-Pérot cavity connected to an integrated arrayed waveguide grating of which the outputs form external cavities in ...
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A Flexible and Reliable 40-Gb/s OFDM Downstream TWDM-PON Architecture
IEEE Photonics Journal, 2015 In this paper, a flexible and reliable 40-Gb/s time and wavelength division multiplexing passive optical network (TWDM-PON) architecture is proposed and demonstrated. Here, a 4 × 10 Gb/s orthogonal frequency-division multiplexing (OFDM) downstream
Chien-Hung Yeh +3 more
doaj +1 more source
Crystals, 2021 We present a design methodology for hybrid lasers to realise mode-hop free operation by controlling the cavity mode spacing. In this study, a compact hybrid photonic crystal laser (H-PhCL) was employed which allowed a reduction of the Fabry–Perot length ...
Praveen K. J. Singaravelu +5 more
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A Low Temperature Nonlinear Optical Rotational Anisotropy Spectrometer for the Determination of Crystallographic and Electronic Symmetries [PDF]
, 2014 Nonlinear optical generation from a crystalline material can reveal the symmetries of both its lattice structure and underlying ordered electronic phases and can therefore be exploited as a complementary technique to diffraction based scattering probes ...
Birss R. R. +10 more
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A Reconfigurable High-Order UWB Signal Generation Scheme Using RSOA-MZI Structure
IEEE Photonics Journal, 2014 We propose and experimentally demonstrate a reflective semiconductor optical amplifier (RSOA)-based Mach-Zehnder interferometer structure for generating high-order ultrawideband (UWB) signals. First, low-order UWB signals are generated by controlling the
Hanlin Feng +7 more
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Semiconductor optical amplifiers in avionics [PDF]
, 2011 RSOAs have been demonstrated to operate within a WDM PON architectures over a >;60nm wavelength range with large path loss capabilities. Two RSOAs enable contiguous operation over the S, C and L bands; results indicate clearly that WDM architectures ...
Andonovic, Ivan +5 more
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Polarization-Discriminated RSOA–EAM for Colorless Transmitter in WDM–PON
Applied Sciences, 2020 The integrated reflective semiconductor optical amplifier (RSOA) and electro-absorption modulator (EAM) is viewed as an appealing solution to the colorless transmitter on the optical network unit (ONU) side of wavelength-division multiplexed (WDM ...
Chengliang Zuo, Xun Li
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Efficient Dynamic Modeling of the Reflective Semiconductor Optical Amplifier [PDF]
IEEE Journal of Selected Topics in Quantum Electronics, 2013 Reflective semiconductor optical amplifier (RSOA) is considered a strong candidate to play an important role in realizing the next generation wavelength division multiplexing passive optical network, based on the wavelength reuse concept. Therefore, an accurate and efficient modeling of RSOA is of significant importance.
Zoran Vujicic +4 more
openaire +1 more source
25-GHz-Spaced DWDM-PON With Mitigated Rayleigh Backscattering and Back-Reflection Effects
IEEE Photonics Journal, 2013 A novel 25-GHz-spaced dense wavelength-division multiplexing passive optical network (DWDM-PON) is proposed to improve the utilization of wavelength resource and mitigate the Rayleigh backscattering (RB) and back-reflection effects.
Zhao Zhou +5 more
doaj +1 more source
Demonstration of a heterogeneously integrated III-V/SOI single wavelength tunable laser [PDF]
, 2013 A heterogeneously integrated III-V-on-silicon laser is reported, integrating a III-V gain section, a silicon ring resonator for wavelength selection and two silicon Bragg grating reflectors as back and front mirrors.
Bordel, D +10 more
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