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distributed feedback laser |
Also found in: Wikipedia | 0.02 sec. |
distributed feedback laserA type of diode laser that uses diffraction gratings rather than mirrors to create the resonance and oscillation in the cavity. It produces a finer range of wavelengths than a Fabry- Perot cavity. A distributed Bragg reflection laser is a similar technology that uses Bragg gratings. The other major type of laser uses a Fabry-Perot cavity with mirrors. See Fabry-Perot and fiber Bragg grating. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Our 1310nm VCSEL-based 10G Ethernet LRM SFP+ transceivers deliver lower power consumption at 450mW, lower electromagnetic interference and lower heat generation compared with distributed feedback laser, resulting in increased performance and reliability of our 10G SFP+ transceivers. a) Distributed Feedback Laser Diode (DFB-LD): Grating is formed in the cavity of the laser diode, which feeds back the light with a specified wavelength. The modules' transmitter section uses an uncooled, directly modulated 1310 nm distributed feedback laser. |
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