Songnian Fu
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View article: Publisher Erratum: CUPID, the Cuore upgrade with particle identification
Publisher Erratum: CUPID, the Cuore upgrade with particle identification Open
View article: A gravity-based mounting approach for large-scale cryogenic calorimeter arrays
A gravity-based mounting approach for large-scale cryogenic calorimeter arrays Open
View article: CUPID, the Cuore upgrade with particle identification
CUPID, the Cuore upgrade with particle identification Open
CUPID, the CUORE Upgrade with Particle Identification, is a next-generation experiment to search for neutrinoless double beta decay ( $$0\mathrm {\nu \beta \beta }$$ ) and other rare events using enriched Li $$_{2}$$ $$^{100}$$ …
View article: RA-QoS: a robust autoencoder-based QoS predictor for highly accurate web service QoS prediction
RA-QoS: a robust autoencoder-based QoS predictor for highly accurate web service QoS prediction Open
Web services are fundamental for online service-oriented applications, where accurately predicting quality of service (QoS) is critical for recommending optimal services among multiple candidates. Since QoS data often contains noise—stemmi…
View article: Impact of capillary material intrusion on the photonic lantern performance
Impact of capillary material intrusion on the photonic lantern performance Open
Photonic lanterns (PL) fabricated by the fiber bundle fusion tapering technique offer a low-loss and highly efficient interconnection module between single-mode fiber (SMF) and few-mode fiber (FMF). However, due to the lower fusion tempera…
View article: Innovating Bolometers' Mounting: A Gravity-Based Approach
Innovating Bolometers' Mounting: A Gravity-Based Approach Open
Cryogenic calorimeters, also known as bolometers, are among the leading technologies for searching for rare events. The CUPID experiment is exploiting this technology to deploy a tonne-scale detector to search for neutrinoless double-beta …
View article: Deep neural network-based joint monitoring of carrier-to-signal power ratio (CSPR) and optical signal-to-noise ratio (OSNR) for directly detected optical single-sideband transmission
Deep neural network-based joint monitoring of carrier-to-signal power ratio (CSPR) and optical signal-to-noise ratio (OSNR) for directly detected optical single-sideband transmission Open
Optical single-sideband (SSB) transmission enhances spectral efficiency and mitigates transmission reach limitations caused by chromatic dispersion (CD), making it ideal for cost-effective data-center interconnects. This paper proposes and…
View article: Deep learning enhanced light sheet fluorescence microscopy for in vivo 4D imaging of zebrafish heart beating
Deep learning enhanced light sheet fluorescence microscopy for in vivo 4D imaging of zebrafish heart beating Open
View article: Fsmnet: A Frequency-Spatial Domain Joint Modulation Network for Infrared Image Super-Resolution
Fsmnet: A Frequency-Spatial Domain Joint Modulation Network for Infrared Image Super-Resolution Open
View article: Effect of Glycosylation Modification on the Structural and Functional Properties of Bovine Lactoferrin
Effect of Glycosylation Modification on the Structural and Functional Properties of Bovine Lactoferrin Open
View article: Ten-megawatt-level peak power Mamyshev oscillator enabled by anti-resonant hollow-core fiber
Ten-megawatt-level peak power Mamyshev oscillator enabled by anti-resonant hollow-core fiber Open
Mamyshev oscillators (MOs) demonstrate extraordinarily superior performance compared with fiber laser counterparts. However, the realization of a fully fiberized, monolithic laser system without pulse degradation remains a key challenge. H…
View article: Revealing Optical Soliton Radiation and Encoding via Nonlinear Fourier Transform
Revealing Optical Soliton Radiation and Encoding via Nonlinear Fourier Transform Open
International audience
View article: Nonlinear Nanophotonic Chip-space Interfaces Enabled Multi-dimensional Engineering of Structured Optical Vortices
Nonlinear Nanophotonic Chip-space Interfaces Enabled Multi-dimensional Engineering of Structured Optical Vortices Open
Miniaturized and reconfigurable interfaces between confined optical modes within integrated photonic chips and structured light propagating in free space would serve as a cornerstone for fundamental optical science and modern photonic tech…
View article: Freely tunable phase-locked dual-frequency microwave signal generation from injection-locked broadband optoelectronic oscillator
Freely tunable phase-locked dual-frequency microwave signal generation from injection-locked broadband optoelectronic oscillator Open
We propose and experimentally demonstrate an injection-locked broadband optoelectronic oscillator (OEO) to generate freely tunable phase-locked dual-frequency microwave signals. When two single-tone signals inside and outside the passband …
View article: Inverse Design of Incoherent Raman Pump Sources for U-Band WDM Transmission Over 125 km G.652.D Fiber
Inverse Design of Incoherent Raman Pump Sources for U-Band WDM Transmission Over 125 km G.652.D Fiber Open
The ever-increasing demand for the transmission capacity has stimulated intensive investigations, in terms of both new transmission window of standard single mode fiber (SSMF) and new fiber utilizing the spatial domain. Multi-band waveleng…
View article: Spatial division multiplexing of LED strips for optical camera communication
Spatial division multiplexing of LED strips for optical camera communication Open
Rolling shutter based optical camera communication (RS-OCC), a promising candidate of optical wireless communication (OWC), has the advantage of unlicensed spectrum and no electromagnetic interference. Since RS-OCC can use the built-in cam…
View article: Splicing Hollow-Core Fiber with Standard Glass-Core Fiber with Ultralow Back-Reflection and Low Coupling Loss
Splicing Hollow-Core Fiber with Standard Glass-Core Fiber with Ultralow Back-Reflection and Low Coupling Loss Open
A main, yet-unsolved challenge in splicing hollow-core fiber (HCF) into standard single-mode fiber (SMF) systems lies in managing the strong Fresnel back-reflection that occurs when the light travels from the empty core of the HCF into the…
View article: Transverse mode switchable mode-locked laser with narrow bandwidth
Transverse mode switchable mode-locked laser with narrow bandwidth Open
Transverse mode switchable ultrashort optical pulses with narrow bandwidths can create potential for exploring what we believe are new physical effects. We demonstrate the generation of transverse mode switchable ultrashort pulses with nar…
View article: Optical TTD compensation network-based phase precoding for THz massive MIMO systems
Optical TTD compensation network-based phase precoding for THz massive MIMO systems Open
In sixth generation (6G) communications, terahertz (THz) communication is one of the most important technologies in the future due to its ultra-bandwidth, where hybrid beamforming has been widely used to solve the severe transmission atten…
View article: C-Band 200 Gbit/s/λ PS-PAM-8 Transmission Over 2-km SSMF for Optical Interconnections
C-Band 200 Gbit/s/λ PS-PAM-8 Transmission Over 2-km SSMF for Optical Interconnections Open
Driven by the exponential increase of network traffic, the demand for the capacity enhancement of photonic data-center interconnection (DCI) becomes more and more urgent. The utilization of high-order modulation format is ideally preferred…
View article: Superpixel Technique Enabled Spatial Phase Modulation Equalization for Power-Efficient Vortex Beam Generation
Superpixel Technique Enabled Spatial Phase Modulation Equalization for Power-Efficient Vortex Beam Generation Open
Realizing a spatial phase modulation (SPM) from 0 to 2π is vital for achieving precise light field manipulation, when the phase-only spatial light modulator (SLM) is driven by the voltage. However, insufficient bias voltage degrades the qu…
View article: Tailoring the Generalized 2D Airy Beam
Tailoring the Generalized 2D Airy Beam Open
Generalized two-dimensional (2D) Airy beam is a kind of self-accelerating beam with variable initial angle between its two wings, manifested itself as an initial angle determined parabolic trajectory during the free-space propagation. Howe…
View article: Simultaneous realization of high gain and low DMG of four-mode EDFA under bidirectional hybrid-mode pump
Simultaneous realization of high gain and low DMG of four-mode EDFA under bidirectional hybrid-mode pump Open
We theoretically and experimentally verify that, the bidirectional hybrid-mode pumping scheme can address the optimization problem of trade-off between high gain and low differential modal gain (DMG) of four-mode erbium-doped fiber amplifi…
View article: Pairwise Tomlinson-Harashima precoding for multiple-lane IM-DD transmissions
Pairwise Tomlinson-Harashima precoding for multiple-lane IM-DD transmissions Open
As for the photonic interconnection based on the multiple-lane intensity modulation direct detection (IM-DD) transmission, both intra-channel inter-symbol-interference (ISI) originating from bandwidth constraint, and inter-channel performa…
View article: Non-sweep DC component estimation method for a virtual-carrier assisted Kramers-Kronig receiver
Non-sweep DC component estimation method for a virtual-carrier assisted Kramers-Kronig receiver Open
The Kramers-Kronig (KK) receiver has attracted much attention in short-range optical interconnection because of its ability to recover the phase of the signal from the intensity information through KK algorithm. In high-speed KK systems, s…
View article: Research Progress on Carrier-Free Phase-Retrieval Receivers
Research Progress on Carrier-Free Phase-Retrieval Receivers Open
In order to deal with the chromatic dispersion-induced power fading issue for short-reach direct-detection optical fiber communication applications, such as the ever-increasing data-center interconnections (DCIs), optical filed recovery is…
View article: Mode-dependent dynamic gain of all-fiber FM-EDFA under various pump manipulation
Mode-dependent dynamic gain of all-fiber FM-EDFA under various pump manipulation Open
The dynamic gain of a few-mode erbium-doped fiber amplifier (FM-EDFA) is vital for the long-haul mode division multiplexing (MDM) transmission. Here, we investigate the mode-dependent dynamic gain of an FM-EDFA under various manipulations …
View article: Differential mode-gain equalization via femtosecond laser micromachining-induced refractive index tailoring
Differential mode-gain equalization via femtosecond laser micromachining-induced refractive index tailoring Open
The mode-division multiplexing technique combined with a few-mode erbium-doped fiber amplifier (FM-EDFA) demonstrates significant potential for solving the capacity limitation of standard single-mode fiber (SSMF) transmission systems. Howe…
View article: Mode multicasting without parasitic wavelength conversion
Mode multicasting without parasitic wavelength conversion Open
Optical multicasting, which involves delivering an input signal to multiple different channels simultaneously, is a key function to improve network performance. By exploiting individual spatial modes as independent channels, mode-division-…
View article: Towards high spectral efficiency UDWDM-PON based on the simplified coherent reception of pulsed shaped PAM-4 signals
Towards high spectral efficiency UDWDM-PON based on the simplified coherent reception of pulsed shaped PAM-4 signals Open
Enhancing spectral efficiency (SE) of ultra-dense wavelength division multiplexing passive optical network (UDWDM-PON) is vital to providing broadband access for massive users. Here, we experimentally demonstrate a high SE UDWDM-PON in the…