Ch6Sec9 - Layer Active Region Output Joseph C Palais 6.7 4...

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THE FIBER FORUM Fiber Optic Communications JOSEPH C. PALAIS PRESENTED BY
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Joseph C. Palais 6.7 2 Section 6.9 Vertical-Cavity Surface- Emitting Laser Diode (VCSEL) The VCSEL is surface emitting laser diode as contrasted with the conventional edge- emitting laser diode. The beam pattern is circular, better matching the circular fiber core. VCSELs can be constructed in two- dimensional arrays on a single substrate.
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Joseph C. Palais 6.9 3 Vertical-Cavity Surface- Emitting Laser Diode (VCSEL) p n Reflective
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Unformatted text preview: Layer Active Region Output Joseph C. Palais 6.7 4 VCSEL • The diodes in a VCSEL array can each operate at a slightly different wavelength. This is useful in wavelength-division multiplexed (WDM) systems where multiple wavelengths are simultaneously transmitted on a single fiber. WDM systems are described in Chapter 9. Joseph C. Palais 6.7 5 VCSEL • The VCSEL array produces lower cost diodes. • The VCSEL geometry produces better fiber coupling efficiency....
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This note was uploaded on 05/11/2010 for the course EEE EEE-448 taught by Professor Palais during the Fall '09 term at ASU.

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Ch6Sec9 - Layer Active Region Output Joseph C Palais 6.7 4...

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