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Real-Time Evaluation of Optical Nonlinear Effects on 112Gbps PM-QPSK Signal in Dispersion Managed Links
Optical Communications Coherent Communications
2015/5/20
We demonstrate the impact of nonlinear effects on dispersion managed links with a FPGA-based 112Gbps real-time receiver. We clarify that PM-RZ-QPSK provides superior robustness, whereas PM-NRZ-QPSK of...
Transmission of 96×100Gb/s with 23% Super-FEC Overhead over 11,680km, using Optical Spectral Engineering
Transmission Super-FEC Overhead Optical Spectral Engineering
2015/5/20
We transmit 96 PDM-QPSK channels at 100Gb/s over 11,680km, matching the best capacity × distance product reported, but with C-band-only EDFAs. 2.7b/s/Hz spectral density is obtained, despite 23% super...
Reduction of Back-Reflection induced Power Penalty by means of Coherent Seeding Source with Optical Feedback in a Loop-Back WDM-PON
Networks Optical communication
2015/5/20
We proposed a novel method to implement the coherent seeding source using optical feedback and experimentally demonstrated the feasibility of our seed light under various back reflection levels in a l...
Cooperative Light Scattering Effects in Optical Fibers, Lasers, and Amplifiers
Nonlinear optics fibers Lasers fibers
2015/5/20
We overview Rayleigh, Brillouin and Raman scattering in optical fibers, fiber amplifiers and lasers focusing on their mutual cooperation dynamics and explaining associated effects such as multi-cascad...
The quantization of the light field is important for understanding some aspects of optical fiber systems: the quantum limit of amplifiers, the dynamics of solitons below shot noise and the appearance ...
Efficient Shared Subconnection Protection in Mixed-Line-Rate Optical WDM Networks
Efficient Shared Subconnection Protection Mixed-Line-Rate Optica WDM Networks
2015/5/20
Employing Mixed Line Rates (MLR) in optical WDM networks enables new paradigms for protection. We propose to design transparent MLR networks with shared subconnection protection and achieve significan...
50 fJ-per-bit, High Speed, Directly Modulated Light Sources for On-chip Optical Data Communications
50 fJ-per-bit High Speed Directly Modulated Light Sources On-chip Optical Data Communications
2015/5/20
By employing optical injection-locking the direct modulation bandwidth of a 10μm diameter disc laser is increased to 15GHz. In addition, modulation at 20Gb/s is demonstrated with only 1mW DC bias & 19...
Wide Bandwidth, Low Loss 1 by 4 Wavelength Division Multiplexer on Silicon for Optical Interconnects
Wide Bandwidth Low Loss 1 by 4 Wavelength Division Multiplexer Silicon Optical Interconnects
2015/5/20
We demonstrate an add/drop filter based on coupled vertical gratings on silicon. The concept is extended to implement a 1 by 4 wavelength division multiplexer with 3nm bandwidth,1dB insertion loss and...
Towards Optical Networks-on-Chip with 200mm hybrid technology
silicon photonics microdisk lasers and photodetectors heterogeneous integration network-on-chip
2015/5/20
Integrated components for optical networks-on-chip,including III-V microdisk lasers, photodetectors, and wavelength selective circuits, are all demonstrated using a complementary metal-oxide-semicondu...
Systems Aspects of Optical Technologies for Use in Datacommunications
Systems Aspects Optical Technologies Datacommunications
2015/5/20
This paper reviews the development of system techniques using advanced modulation formats that have arisen in recent years for use in datacommunications. Simulations are provided to allow comparison o...
Optical ASK-DPSK and QAM Signal Generation Using FWM in High Nonlinearity Fiber (HNLF)
Optical ASK-DPSK QAM Signal Generation FWM High Nonlinearity Fiber (HNLF)
2015/5/20
As a modulation-format transparent nonlinear process, FWM is capable of generating complex optical signal constellations. In experiments and simulations, optical ASK-DPSK and 8-QAM signals are generat...
This paper demonstrates and discusses low-power operation of optical switches consisting of semiconductor, InAlGaAs/InAlAs/InP, for high speed and polymer for low cost applications based on Mach-Zehnd...
Experimental Demonstration of an All-Optical Packet Forwarding Gate Based on a Single SOA-MZI at 40 Gb/s
All-Optical Packet Forwarding Gate Based Single SOA-MZI at 40 Gb/s
2015/5/20
We present a new forwarding-gate scheme using a single SOA-MZI. We show a bi-stable behavior with a 13.6 dB extinction-ratio and rise and fall times below 30ps. Error-free operation is achieved at 40 ...
First demonstration of OPS and burst detection of 160 Gb/s packets through three 52 km-spaced optical nodes
First demonstration OPS burst detection Gb/s packets through three 52 km-spaced optical nodes
2015/5/20
We demonstrate error-free transmission, dynamic switching and burst detection of 160Gbps packets with guardtime ~1ns through 3-nodes that include on-the-fly optical packet switching and instantaneous ...
Optical Packet and Circuit Simultaneous Transmission Technologies for Dynamic Lightpath Setup/Release and Packet Traffic Change
Optical Packet Circuit Simultaneous Transmission Technologies Dynamic Lightpath Setup/Release Packet Traffic Change
2015/5/20
For dynamic traffic change on packet/lightpath integration, all-bandwidth amplifiers and high dynamic-range packet receivers are developed. 80-Gbit/s colored optical packets and 8-lightpaths simultane...