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Optical Engineering

High-frequency analog modulation of oxide confined 670-nm vertical-cavity surface-emitting lasers
Author(s): Christina Carlsson; Peter Modh; John Halonen; Richard Schatz; Anders G. Larsson
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Paper Abstract

We investigate the bandwidth limitations and the analog modulation characteristics at microwave frequencies (0.1 to 10 GHz) of a low-capacitance oxide-confined 670-nm InGaAlP vertical-cavity surface-emitting laser (VCSEL). A maximum modulation bandwidth of 6.3 GHz, limited by thermal effects, is achieved. From measurements of distortion and noise, a spurious free dynamic range (SFDR) of 100 dB Hz2/3 is obtained at frequencies up to 2 GHz, rendering such VCSELs useful for transmission of analog signals. At higher frequencies, the SFDR drops due to the thermally limited resonance frequency.

Paper Details

Date Published: 1 December 2004
PDF: 4 pages
Opt. Eng. 43(12) doi: 10.1117/1.1814361
Published in: Optical Engineering Volume 43, Issue 12
Show Author Affiliations
Christina Carlsson, Chalmers Tekniska Hoegskola (Sweden)
Peter Modh, Chalmers tekniska högskola (Sweden)
John Halonen, Chalmers Tekniska Hoegskola (Sweden)
Richard Schatz, Kungliga Tekniska Hoegskolan (Sweden)
Anders G. Larsson, Chalmers Tekniska Hoegskola (Sweden)

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