optical modulator


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optical modulator

[′äp·tə·kəl ′mäj·ə‚lād·ər]
(communications)
A device used for impressing information on a light beam.
References in periodicals archive ?
NETPARK firm aXenic announced it has acquired Finisar UK Ltd and its Optical Modulator business from its parent company, Finisar Germany.
Characterization of SiGe FinsI will characterize SiGe Fin for high performance electro-absorption optical modulator applications.
A broad-band optical modulator with active device area of 25 mm2, smallest to date, is reported at frequencies over 1 GHz, together with a broad operation spectrum that ranges from 1.
That optical modulator is compatible with a manufacturing process -- known as Silicon-on-Insulator Complementary Metal-Oxide-Semiconductor, or SOI CMOS -- used to create state-of-the-art multicore microprocessors such as the IBM Power7 and Cell, which is used in the Sony PlayStation 3.
The combination of the tunable laser from Fraunhofer HHI, and the optical modulator from GigOptix, advances the next generation of optical transceiver SIPs based on our TFPS technology.
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
Tokyo, Japan, Sept 29, 2006 - (JCN) - The National Institute of Information and Communications Technology (NICT) today announced its launch of a high speed optical modulator for light network.
This new work relates to advanced optical modulator development that is synergistic with our ongoing development work on advanced optical modulators for commercial applications," said Tom Mino, Lumera's CEO.
The sizes of the ring resonators introduced into both the light source and the optical modulator are exactly the same, so that shifts in the light source's lasing wavelength and the optical modulator's operating wavelength caused by CPU heat should match.
This is the world's smallest optical modulator, and the modulator in data communications is the heart of speed control," said Zhang, who directs a National Science Foundation (NSF) Nanoscale Science and Engineering Center at UC Berkeley.
LX8220: 40Gb/s DQPSK TFPS optical modulator with low drive voltage and small form factor designed for long-haul and ultra-long-haul optical transponders
Technical Paper: InP Coherent Optical Modulator with Integrated Amplification for High Capacity Transmission