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The scheme does not need the pulse carver at DPSK transmitter and can reduce deployment cost significantly.
The diode is biased on and off by the DPSK modulated subcarrier and the obtained modulated carrier is retransmitted by the microstrip antenna toward the RSU.
The LX8901 is a serial 100Gbps DPSK (Differential Phase Shift Keying) MZM implemented using GigOptix's proprietary Thin Film Polymer on Silicon (TFPS(TM)) technology.
DPSK uses downstream transmission which offers a number of advantages over conventional OOK modulation format .
Both were shown to provide high performances compared to the conventional convolutionally code DPSK (Differentially PSK) with Viterbi decoding.
Kahn, "Performance of Electrical Equalizers in Optically Amplified OOK and DPSK Systems," IEEE Photonics Technology Letters, vol.
6 data rate or 250 kbps Uplink data rate 144 or 250 kbps Downlink Amplitude-shift modulation keying-OOK Uplink modulation DPSK Demodulation Coherent or incoherent Version 2 Protocol High level data link control Error detection CCITT's CRC-16 Address field Item not fixed MAC field Item not fixed Acknowledged connectionless, or LLC field unacknowledged connectionless
It is capable not only of realizing high performance 40Gbps DPSK MZMs for long haul optical links, such as our LX8401 solution, but also 100G and 400G datacenter devices as has been demonstrated by the POLYSYS consortium.
Peucheret, "Cascadability of silicon microring resonators for 40 Gbit/s OOK and DPSK optical signals", in Proc.
shown in Figure 1, provides 1000 foot range with 500 Kbit/sec data rate using DPSK modulation and 20 mW transmission power.
GigOptix Bundles will address 40G DPSK, 40G RZ-DQPSK as well as Coherent 40G and 100G DP-QPSK applications.
Demonstrated the first production 40G DPSK Thin Film Polymer on Silicon (TFPS[TM]) Mach-Zehnder Modulator (MZM) and 100G quad MZM driver at the Optical Fiber Conference (OFC);
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- DPSK-Based Distributed Sample Acquisition