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On the transmission side of these coherent optical transceivers high performance LN modulators supporting both 200G DP-QPSK and 400G DP-xQAM modulation format are required.
Demonstrates high-speed operation by integrating light source and optical modulator on the same silicon chip using structure that obviates need for thermal control mechanism
Further, the TFPS proprietary modulators allows low drive voltage in the smallest form factor that will reduce power consumption by over 20%, the small form factor enable smaller 300pin optical transponders, have a simpler manufacturing process, larger bandwidth, resides on the same silicon chip as the silicon based drivers, offering an integration platform and the technology permits the integration of the modulator, laser and driver in a small footprint module as well.
Fabless semiconductor company GigOptix Inc (OTCBB:GGOX) said today that it will be starting production this year of its polymer modulators designed for 40Gb/s and 100Gb/s long-haul optical transponders.
The company recently introduced this line of passive MMIC-based I-Q modulators to target new transceiver/receiver wireless systems in demand of superior signal-to-noise ratio.
Electro-optic modulators, developed for >1 Gb/sec operation in telecom applications, are mechanically robust and require little electrical power.
Nasdaq: RFMD), a provider of proprietary radio frequency integrated circuits (RFICs) for wireless communications applications has announced the introduction of the RF2485 quadrature modulator for Terrestrial Trunked Radio (TETRA) systems.
The full compliance of the TFPS modulator series of products as tested against Telcordia GR-468 standard, is a monumental milestone for GigOptix, as this is the first polymer modulator to come to market, fully qualified, that will truly disrupt the current market for Mach-Zehnder Modulators (MZM).
Hence, a QPSK signal can be simply generated by a vector modulator realized with two BPSK modulators operating in quadrature, as shown in Figure 8.
OTCBB: GGOX), a leading supplier of high performance electronic and electro-optic components that enable next generation 40G and 100G optical networks, announced that they have begun sampling their LX8220, a 40G Thin Film Polymer on Silicon (TFPS(TM)) Mach-Zehnder Modulator (MZM) used for Differential Quadrature Phase Shift Keying (DQPSK) modulation.
The vector modulator assembly consists of three dynamic, continuously variable vector modulators, one static modulator, four directional couplers, a four-channel BF summing network and a single-pole, three-throw absorptive switch multiplexer.
The system level performance tests were carried out in working transponders where the results could be more easily compared with those of competing Lithium Niobate modulators from industry leading suppliers.
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- modulator crystal
- modulator glow tube
- Modulator Klystron Support Unit
- Modulator recognition factor 1
- modulator recognition factor 2
- modulator recognition factor I
- Modulator Transfer Function
- Modulator/Demodulator Predictor
- Modulatory Calcineurin Interacting Protein 1
- Modulatory Commissural Neuron 1
- Modulatory Commissural Neuron 5
- Modulatory Commissural Neuron 7
- Modulatory Proctolin Neuron
- Module (mathematics)
- Module Acceptance Test
- Module Approval and Review Panel
- Module Attach System
- Module Bus
- Module Ceramic Land Grid Array
- Module Class Record Form
- Module Company
- Module Confidence Test
- Module Control Unit
- Module Controller Time Slot Interchanger
- Module Design Verification System
- Module Designer
- Module Docking Station
- Module Error Permeability
- Module for Intermittent Explosive Disorder