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Proceedings Paper

Small signal frequency response of laser diodes using a femtosectond frequency comb
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Paper Abstract

A novel method to measure the optical modulation response of laser diodes that uses as the modulation source the output of a femtosecond optical parametric oscillator (OPO) is described. The femtosecond OPO generates a train of ~ 150 fs pulses tunable between 1.03 and 1.35 μm with an average power of 12 mW at a repetition rate of 81 MHz. With such a narrow pulse a rich frequency spectrum of flat intensity distribution that easily surpasses the 2000 GHz 3 dB-bandwidth is obtained. To perform modulation response measurements the OPO is selectively tuned to modulate the carrier population in either the well or separate confinement region of the laser diode. Modulation traces obtained with this method in 1.3 μm InAsP lasers are presented and compared with those obtained from electrical modulation at the same operating conditions.

Paper Details

Date Published: 4 December 2002
PDF: 8 pages
Proc. SPIE 4871, Semiconductor Lasers and Optical Amplifiers for Lightwave Communication Systems, (4 December 2002); doi: 10.1117/12.460479
Show Author Affiliations
Ovidio Anton, Colorado State Univ. (United States)
G. Vaschenko, Colorado State Univ. (United States)
Dinesh Patel, Colorado State Univ. (United States)
Jon Michael Pikal, Univ. of Wyoming (United States)
Carmen S. Menoni, Colorado State Univ. (United States)

Published in SPIE Proceedings Vol. 4871:
Semiconductor Lasers and Optical Amplifiers for Lightwave Communication Systems
Richard P. Mirin; Carmen S. Menoni, Editor(s)

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