High-speed laser modulation beyond the relaxation resonance frequency limit | Zendy

Wesley D. Sacher | Zendy; Eric Zhang | Zendy; Brett A. Kruger | Zendy; Joyce K. S. Poon | Zendy

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High-speed laser modulation beyond the relaxation resonance frequency limit

Author(s) -

Wesley D. Sacher,

Eric Zhang,

Brett A. Kruger,

Joyce K. S. Poon

Publication year - 2010

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.007047

Subject(s) - optics , laser , frequency modulation , resonance (particle physics) , modulation (music) , materials science , bandwidth (computing) , coupling (piping) , fiber laser , relaxation (psychology) , physics , telecommunications , atomic physics , acoustics , computer science , psychology , social psychology , metallurgy

We propose and show that for coupling modulated lasers (CMLs), in which the output coupler is modulated rather than the pump rate, the conventional relaxation resonance frequency limit to the laser modulation bandwidth can be circumvented. The modulation response is limited only by the coupler. Although CMLs are best suited to microcavities, as a proof-of-principle, a coupling-modulated erbium-doped fiber laser is modulated at 1 Gb/s, over 10000 times its relaxation resonance frequency.

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