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Resonantly enhanced semiconductor lasers for efficient transmission of millimeter wave modulated light

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4 Author(s)
Nagarajan, R. ; Dept. of Electr. & Comput. Eng., California Univ., Santa Barbara, CA, USA ; Levy, S. ; Mar, A. ; Bowers, J.E.

External cavity semiconductor lasers with resonantly enhanced modulation response are shown to be suitable for efficient narrowband data transmission in the millimeter-wave range (35 GHz) at frequencies beyond the intrinsic modulation bandwidth of the diode. A small-signal rate equation model is presented to analyze the modulation response as well as the amplitude noise in such a resonant transmitter system. Analysis and measurements show that the relative intensity noise is also resonantly enhanced, but the signal-to-noise ratio is not degraded.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:5 ,  Issue: 1 )