Ni Yan

Naturalis Biodiversity Center | NCB

We present, for the first time, extensive simulation and experimental characterizations of single SOA-MZI-based multi-wavelength conversion (MWC) of NRZ data at 10 Gb/s and RZ data at 40 Gb/s under various parametric conditions deploying ITU standard 100-and 200-GHz channel spacing. We analyze, in particular, the physical performance impairments ca...

This is a local analysis of Xiaomi smartphone marketing in the Netherlands. The analysis includes an environmental scan of the Dutch market, Xiaomi's competitive positioning, segments and targets in the Dutch market, and how Xiaomi implements its marketing mix (i.e. 4P - Product, Place, Promotion, Price) in the Netherlands. The analysis is based o...

Xiaomi Corporation is a consumer electronics company founded in 2010 in China. This research report presents the results and recommendations of our Xiaomi smartphone marketing research carried out in four focus countries: China, Russia, Brazil and the Netherlands. Disclaimer: This report is part of the Global Marketing Management Project within a...

This report presents a comparative financial analysis of three sports apparel companies Adidas, Nike and Anta Sports. The report contains a first part that discusses the sportswear apparel industry trends in the context of global megatrends and ESG, and a second part that analyzes value creation, value drivers and the alignment of value creation wi...

This article discusses the application of decision tree analysis to help managerial decision-making and resource planning in research organisations regarding coordination and preparation of European Union (EU) Horizon project proposals. The decision tree analysis is made using the PrecisionTree add-in in Excel, available in the DecisionTools Suite...

This field research project was conducted at Intuit, an American financial software company that offers financial, accounting and tax preparation software and services. The project focused on QuickBooks, one of Intuit’s main product with more than 4.5 million customers in over 160 countries. Our project scope covered the research on the impact of Q...

We experimentally demonstrate regenerative all-optical wavelength multicast by simultaneous multi-wavelength conversion of 10Gb/s non-return-to-zero signals to four ITU 100GHz spaced channels with a receiver sensitivity improvement of 1.84dB and less than 0.14dB difference among all the multicast channels, using a single commercial monolithically i...

We propose a simpler, faster, more efficient and economical multicast concept for passive waveguidebased optical label switching nodes. We analyze its advantages in terms of cost and traffic performance in comparison with the recirculation approach.

All-optical label switching (AOLS) is a promising approach of implementing label switching for packet routing and forwarding in the optical layer at high speeds close to fiber line-rates. In this paper, AOLS node architectures with unicast and two multicast approaches are presented. The multicast approaches are referred to as feedback and feed-forw...

An overview is given of various optical packet labeling techniques. The architecture and technologies are discussed for optical packet routing nodes using orthogonal labeling with opto-electronic label processing, and for nodes using time-serial labeling with all-optical time-serial label processing. An example of a near-term application is given,...

All-optical multiwavelength conversion (MWC) enables optical layer multicast without electronic processing. Wavelength conversion by four-wave-mixing (FWM) offers strict transparency in bit rate and modulation format. In this letter, a novel FWM MWC scheme is proposed, supported by theoretical analysis and experimental performance evaluation at 10/...

WDM wavelength multicast is demonstrated by all-optical multi-wavelength conversion at 10 Gb/s using a commercial SOA-MZI. We report for the first time simultaneous one-to-four conversion with negative power penalty of 1.84 dB.

40 Gbit/s wavelength multicast is demonstrated by all-optical multi-wavelength conversion based on a single interferometer. Simultaneous 200 GHz spaced one-to-four conversion is achieved error free until BER of 10^-10 and with negligible sensitivity difference among all the multicast channels. Several new all-optical applications are also...

The electronic layer multicast is going to face the speed and capacity bottleneck of the future optical data networks. Transparent optical wavelength multicast by multi-wavelength conversion is an effective way of achieving data multicast in the optical domain without any optical-electronic-optical conversion. In this paper, two multiple wavelength...

Internet Protocol layer multicast by means of electronic processing is going to be the bottleneck of the next generation optical networks. Optical routers with optical layer multicast capability will become the new focus to overcome the speed limit and simplify the logical network stack structure. In this paper, optical multicast technologies by mu...

Transparent optical multicast by multi-wavelength conversion has revealed a brand-new way for performing data multicast function directly in the optical domain without bypassing any electronic processing. Wavelength conversion by four-wave-mixing (FWM) is suitable for high-bitrate data transmission and offers strict transparency to any modulation f...

Multi-wavelength conversion technologies have drawn much attention in recent years. In this paper, simultaneous one-to-four multi-wavelength conversion at 10 Gb/s has been achieved with both 200 GHz and 100 GHz channel spacing, using a single semiconductor optical amplifier – Mach-Zehnder interferometer (SOA-MZI). The results showed that the differ...

Optical labelling of data packets enables high router throughputs. Semiconductor optical amplifiers (SOAs) are key building blocks to implement the functionalities required for fast optical label switching.

In this paper, we present simulation results of traffic performance of the All-Optical

The Information Society Technologies-all-optical LAbel SwApping employing optical logic Gates in NEtwork nodes (IST-LASAGNE) project aims at designing and implementing the first, modular, scalable, and truly all-optical photonic router capable of operating at 40 Gb/s. The results of the first project year are presented in this paper, with emphasis...

All-optical label swapping (AOLS) is a promising approach of implementing label swapping techniques for transparent optical packet switching and forwarding in the optical layer at high-speeds close to fiber line-rates. In this paper, an AOLS-based all-optical packet switch node architecture for WDM simultaneous all-optical time-serial label process...

Transparent optical multicast by multi-wavelength conversion has revealed a brand-new way for performing data multicast function directly in the optical domain without passing through any electronics. In this paper, several simultaneous multiple wavelength conversion approaches for transparent optical multicast are discussed. Technologies and metho...

Simulations of a 4 x 4 optical packet space switch array based on optically amplified suppressed interference switches (OASIS) were carried out. The OPTSim simulator was used to model the structure, to assess the behaviour and performance of this switch array. Parameters such as Q factor and bit error rate (BER) were calculated. Implications of cas...

Future ultra-fast and high-capacity all-optical packet switches can benefit from versatile all-optical buffering strategies to achieve higher performance. This paper reports two buffering configurations for an All-Optical Label Swapping (AOLS) packet switch. They are (1) output-buffering, where packets are queued in a separate fibre delay line (FDL...

All-optical wavelength conversion with multicasting capabilities is a desired feature in optical label swapping packet-switched networks, in order to facilitate broadcast services. The time-serial IM/IM modulation format for payload/label encoding is a promising technique for optical label switching, because it enables to exploit fully all-optical...

All-optical label swapping (AOLS) is a promising approach for transparent optical packet switching and forwarding in the optical layer at high-speeds close to fibre line-rate. In this paper, an all-optical packet switch implementing AOLS technologies as functional subsystems is described. A node architecture based on state-of-art technologies for W...