Showing papers presented at "Optical Fiber Communication Conference in 2021"
06 Jun 2021
TL;DR: This work demonstrates 128 Gbps/port natively error-free transmission across eight optical ports using a 8-port, 8-λ/port WDM remote laser source and a pair of monolithically integrated CMOS optical I/O chiplets with 4.96-5.56 pJ/bit optical Tx+Rx chiplet energy efficiency.
Abstract: We demonstrate 128 Gbps/port (8-λ×16 Gbps/λ) natively error-free transmission across eight optical ports using a 8-port, 8-λ/port WDM remote laser source and a pair of monolithically integrated CMOS optical I/O chiplets with 4.96-5.56 pJ/bit optical Tx+Rx chiplet energy efficiency.
33 citations
06 Jun 2021
TL;DR: Using hollow-core NANFs with 5-nested-tubes, this work achieves the lowest loss ever reported in a hollow core fiber at 1300 and 1625nm and in any type of optical fiber at 850nm and 1060nm.
Abstract: Using hollow-core NANFs with 5-nested-tubes, we achieve the lowest loss ever reported in a hollow core fiber at 1300 and 1625nm (0.22dB/km), and in any type of optical fiber at 850nm (0.6dB/km) and 1060nm (0.3dB/km).
32 citations
06 Jun 2021
TL;DR: Erbium and Thulium doped-fiber amplifiers with distributed Raman amplification enable a 206.1 Tb/s GMI estimated data-rate.
Abstract: We transmit 690, near continuous, 25 GHz spaced channels in 138 nm of S, C and extended L-bands over 54 km of standard single-mode fiber. Erbium and Thulium doped-fiber amplifiers with distributed Raman amplification enable a 206.1 Tb/s GMI estimated data-rate.
27 citations
06 Jun 2021
TL;DR: Recirculating transmission of 552 x 25 GHz spaced channels covering >120 nm of S, C and L-bands in a 125μm dimeter, 4-core fiber is demonstrated, measuring a decoded throughput of 319 Tb/s at 3001 km.
Abstract: We demonstrate recirculating transmission of 552 x 25 GHz spaced channels covering >120 nm of S, C and L-bands in a 125μm dimeter, 4-core fiber, measuring a decoded throughput of 319 Tb/s at 3001 km.
24 citations
06 Jun 2021
TL;DR: This work demonstrates 102-GHz DBI-DAC and 100-GHz I/Q modulator enabled PDM 200GBaud probabilistically shaped 64-QAM signal carrying up to 7.92 information bits/symbol/2polarization with a net data rate of 1.58 Tb/s.
Abstract: We demonstrate 102-GHz DBI-DAC and 100-GHz I/Q modulator enabled PDM 200GBaud probabilistically shaped 64-QAM signal carrying up to 7.92 information bits/symbol/2polarization. A net data rate of 1.58 Tb/s is achieved on a single wavelength.
24 citations
06 Jun 2021
TL;DR: The first 8 Tbps co-packaged FPGA with Silicon-Photonics IO is presented paving the way for co-Packaged compute and optical-IO.
Abstract: The first 8 Tbps co-packaged FPGA with Silicon-Photonics IO is presented paving the way for co-packaged compute and optical-IO. The Multi-Chip Package integrates Stratix® 10 FPGA with up to five optical IO chiplets. © 2021 The Author(s).
21 citations
06 Jun 2021
TL;DR: Channel characterization, communication system performance, and effective mitigation methods under the influence of bubble and wave are discussed.
Abstract: This paper summarizes the recent trend and progress of underwater and water-air optical wireless communications. Channel characterization, communication system performance, and effective mitigation methods under the influence of bubble and wave are discussed.
21 citations
06 Jun 2021
TL;DR: The WDM DP-QPSK signals were transmitted over 7,200-km coupled-core four-core fibers by a recirculating loop and demodulated by real-time MIMO DSP.
Abstract: We report the first experimental demonstration of transoceanic distance real-time transmission over coupled multicore fibers. The WDM DP-QPSK signals were transmitted over 7,200-km coupled-core four-core fibers by a recirculating loop and demodulated by real-time MIMO DSP.
18 citations
06 Jun 2021
TL;DR: The principles, architectures, and superior performance of emerging integrated microwave photonic filters enabled by on-chip linear and nonlinear photonic devices are reviewed.
Abstract: Microwave signal filtering is a fundamental and central functionality in radio frequency systems. We review the principles, architectures, and superior performance of emerging integrated microwave photonic filters enabled by on-chip linear and nonlinear photonic devices.
15 citations
06 Jun 2021
TL;DR: This work demonstrates the co- and counter-propagation coexistence of distributed acoustic sensing and 100G/200G coherent data communication over a single fiber, proving ubiquitous and practical sensing through pervasive telecom fiber infrastructure.
Abstract: We demonstrate the co- and counter-propagation coexistence of distributed acoustic sensing and 100G/200G coherent data communication over a single fiber, proving ubiquitous and practical sensing through pervasive telecom fiber infrastructure.
14 citations
06 Jun 2021
TL;DR: Newly developed lumped-electrode EA-DFB lasers demonstrated 224-Gb/s PAM4 uncooled operation with 2-km transmission with better than 6 dBm and less than 2.8 dB.
Abstract: Newly developed lumped-electrode (LE) EA-DFB lasers demonstrated 224-Gb/s PAM4 uncooled operation with 2-km transmission. Its average output power and TDECQ from 20 to 80°C are respectively more than 6 dBm and less than 2.8 dB.
06 Jun 2021
TL;DR: Exploiting new wavelength bands for data transmission is the most economic step for further increasing the capacity of optical links.
Abstract: Exploiting new wavelength bands for data transmission is the most economic step for further increasing the capacity of optical links. Important aspects of the most relevant amplifier technologies supporting this step are discussed.
06 Jun 2021
TL;DR: This paper highlights some of the 6G driving trends and reports on early findings, starting from an optical fiber networks perspective all the way to human-avatar/robot collectives and extended reality in the6G post-smartphone era.
Abstract: This paper highlights some of the 6G driving trends and reports on early findings, starting from an optical fiber networks perspective all the way to human-avatar/robot collectives and extended reality in the 6G post-smartphone era.
06 Jun 2021
TL;DR: A novel technique to refine optical fiber network parameters for accurate performance estimation is presented that exploits Raman and Kerr effects to improve new services’ SNR estimation accuracy by 2dB based on experimental data.
Abstract: A novel technique to refine optical fiber network parameters for accurate performance estimation is presented. The technique exploits Raman and Kerr effects to improve new services’ SNR estimation accuracy by 2dB based on experimental data.
06 Jun 2021
TL;DR: Using coherent optics, this is the highest reported FSO bitrate using single-wavelength transmission, and PCS-based bit-rate adaptation and automatic beam alignment effectively counteract the impact of pointing errors.
Abstract: Using coherent optics we demonstrate a seamless fiber-FSO link for DCIs supporting up to 1 Tbps. PCS-based bit-rate adaptation and automatic beam alignment effectively counteract the impact of pointing errors. To the best of our knowledge, this is the highest reported FSO bitrate using single-wavelength transmission.
06 Jun 2021
TL;DR: The first transparent Optical-THz-Optical link providing record-high line-rates up to 240 and 190 Gbit/s over distances from 5 to 115m is demonstrated.
Abstract: The first transparent Optical-THz-Optical link providing record-high line-rates up to 240 and 190 Gbit/s over distances from 5 to 115m is demonstrated. The link is based on direct data-conversion from optical to sub-THz and vice-versa.
06 Jun 2021
TL;DR: New transmission distance records through hollow-core NANF with reduced inter-modal interference are reported and 41xPM-QPSK C-band channels @32GBaud up to 2070km with average GMI 3.64 bits/symb is reported.
Abstract: We report new transmission distance records through hollow-core NANF with reduced inter-modal interference. We recirculated 41xPM-QPSK C-band channels @32GBaud up to 2070km with average GMI 3.64 bits/symb. For select channels we reached beyond 5000km.
06 Jun 2021
TL;DR: The architecture and assembly of a compact, 3D-integrated CMOS-silicon photonic transceiver for DWDM interconnects enabling energy efficient scaling of multi-Tbps/mm2 bandwidth densities for future co-packaged chipsets is presented.
Abstract: We present the architecture and assembly of a compact, 3D-integrated CMOS-silicon photonic transceiver for DWDM interconnects. The transceiver interleaves 64 parallel wavelength channels enabling energy efficient scaling of multi-Tbps/mm2 bandwidth densities for future co-packaged chipsets. © 2021 The Author(s)
06 Jun 2021
TL;DR: Simulation results show the proposed scheme achieves efficient resource utilization with an accurate traffic prediction and scheduling in elastic metro optical networks by introducing the graph convolution network.
Abstract: This paper proposes a node-oriented traffic prediction and scheduling in elastic metro optical networks by introducing the graph convolution network. Simulation results show the proposed scheme achieves efficient resource utilization with an accurate traffic prediction.
06 Jun 2021
TL;DR: Transpacific coupled multi-core fiber transmission has been experimentally demonstrated using standard cladding ultra-low-loss coupled 4-core fibers and the Q-factors of all SDM/WDM channels modulated with 24-Gbaud DP-QPSK exceeded the assumed FEC limits after 9,150-km transmission.
Abstract: 50.47-Tbit/s transpacific coupled multi-core fiber transmission has been experimentally demonstrated using standard cladding ultra-low-loss coupled 4-core fibers. The Q-factors of all SDM/WDM channels modulated with 24-Gbaud DP-QPSK exceeded the assumed FEC limits after 9,150-km transmission.
06 Jun 2021
TL;DR: In this paper, the authors demonstrate distributed quantum sensing in field and show the unconditional violation of shot-noise limit up to 0.916 dB with the averaged heralding efficiency of 73.88% for the field distance of 240 m.
Abstract: We demonstrate distributed quantum sensing in field and show the unconditional violation (without post-selection) of shot-noise limit up to 0.916 dB with the averaged heralding efficiency of 73.88% for the field distance of 240 m.
06 Jun 2021
TL;DR: It is demonstrated the long-term reliable operation of a 70-GHz-class DFB+R laser and its capability of 108-GBd PAM-4 signaling under +4.8-ps/nm dispersion using ultra-low complexity equalizations as well as faster-than-Nyquist Pam-2 signaling up to 280 GBd.
Abstract: We demonstrate the long-term reliable operation of a 70-GHz-class DFB+R laser and its capability of 108-GBd PAM-4 signaling under +4.8-ps/nm dispersion using ultra-low complexity equalizations as well as faster-than-Nyquist PAM-2 signaling up to 280 GBd.
06 Jun 2021
TL;DR: In this paper, a coherent Si-Pho neuron with 10Gbaud on-chip input-data vector generation capabilities is presented, and its performance as a hidden layer within a neural network has been experimentally validated for the MNIST data set, yielding 96.19% accuracy.
Abstract: We demonstrate a novel coherent Si-Pho neuron with 10Gbaud on-chip input-data vector generation capabilities. Its performance as a hidden layer within a neural network has been experimentally validated for the MNIST data-set, yielding 96.19% accuracy.
06 Jun 2021
TL;DR: O-band GeSi quantum-confined Stark effect waveguide-coupled electro-absorption modulator with 50GHz bandwidth with 60Gb/s NRZ-OOK operation is reported.
Abstract: We report O-band GeSi quantum-confined Stark effect waveguide-coupled electro-absorption modulator with 50GHz bandwidth. Static extinction ratio of 5.2dB, insertion loss of 7.6dB and 60Gb/s NRZ-OOK operation are shown for a 2V swing.
06 Jun 2021
TL;DR: This work transmits 143x32.6 GBd 8D-QPSK signal over 15,050 km with EDFAs consuming 29 mW of 980 nm-pump power and experimentally achieves record power efficiencies from 6.5 to 1.24 Tb/s/W.
Abstract: We transmit 143x32.6 GBd 8D-QPSK signal over 15,050 km with EDFAs consuming 29 mW of 980 nm-pump power. We experimentally achieve record power efficiencies from 6.5 to 1.24 Tb/s/W for transmission distances ranging from 6,020 to 15,050 km respectively.
06 Jun 2021
TL;DR: This work demonstrates the first fiber–radio–fiber system in beyond 90 GHz using low loss optical modulator and direct photonic down-conversion to transmit 32-/64-QAM OFDM and single-carrier signal.
Abstract: We demonstrate the first fiber–radio–fiber system in beyond 90 GHz using low loss optical modulator and direct photonic down-conversion. We successfully transmitted 32-/64-QAM OFDM and single-carrier signal with a record line rate of 71.4 Gb/s and net data rate of 53.7 Gb/s.
06 Jun 2021
TL;DR: A proactive adaptive loading scheme for air-water SIMO OWC systems through waves based on the prediction of wave characteristics results in a maximum of 96.2% increase in throughput.
Abstract: We demonstrated a proactive adaptive loading scheme for air-water SIMO OWC systems through waves based on the prediction of wave characteristics. A maximum of 96.2% increase in throughput is realized by temporal and spatial diversities.
06 Jun 2021
TL;DR: In this article, the authors proposed an optimization method to improve power efficiency and robustness in silicon-photonic-based coherent integrated photonic neural networks, which reduced the network power consumption by 15.3% and the accuracy loss under uncertainties by 16.1%.
Abstract: We propose an optimization method to improve power efficiency and robustness in silicon-photonic-based coherent integrated photonic neural networks. Our method reduces the network power consumption by 15.3% and the accuracy loss under uncertainties by 16.1%.
06 Jun 2021
TL;DR: An endlessly adaptive polarization controller based on a Mach-Zehnder Interferometer on the Silicon photonic integrated circuit and a polarization tracking speed up to hundreds of rad/s was achieved for the self-coherent communication system.
Abstract: We experimentally demonstrated an endlessly adaptive polarization controller based on a Mach-Zehnder Interferometer on the Silicon photonic integrated circuit. A polarization tracking speed up to hundreds of rad/s was achieved for the self-coherent communication system.
06 Jun 2021
TL;DR: In this paper, a physics-informed neural network (PINN) was constructed to solve the nonlinear Schrodinger equation for different input waveforms, which can accurately characterize pulse evolution in fibers with less complexity to SSFM methods.
Abstract: We constructed a physics-informed neural network (PINN) to solve the nonlinear Schrodinger equation for different input waveforms. Results show that PINN can accurately characterize pulse evolution in fibers with less complexity to SSFM methods.