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10-Gb DPSK/OOK Transmitter

Photonics.com
Apr 2007
Discovery Semiconductors Inc.Request Info
 
Discovery Semiconductors introduces an optical 10 Gb/s transmitter for the generation of on/off keyed (OOK) and differential phase-shift keyed (DPSK) signals. The fully standalone device includes a tunable laser, a pulse-pattern generator and optical Mach-Zehnder modulators with corresponding driver amplifiers.

The transmitter allows users to choose between four formats: NRZ-OOK, RZ-OOK, NRZ-DPSK and RZ-DPSK. The turnkey system includes control circuitry to allow testing of these formats in the laboratory or in the field. Data rates up to 12.5 Gb/s are supported. The transmitter, which features a wavelength range between 1528 and 1567 nm,  complements Discovery Semiconductors’ Kitty Hawk coherent receiver, which can detect 10 Gb/s OOK and DPSK.


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GLOSSARY
photonics
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
tunable laser
Any form of laser; e.g., a dye laser, having an output that can be adjusted over a wide range of wavelengths. Normally the range is about 70 nm wide.
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