Abstract
Pulse trains with repetition rates as high as 80-200GHz were obtained at 1.55μm, using rational harmonic mode-locking with an erbium doped fibre laser. A fundamental repetition frequency (fosc) of 40GHz was first generated by applying a 40GHz modulation frequency to an LN intensity modulator in the fibre cavity, in which the longitudinal mode spacing (Δf) was 1.5MHz. By rationally detuning the modulation frequency by Δf/n, the authors succeeded in obtaining a repetitive oscillation of (nfosc++Δf). The maximum frequency was 200GHz, at which n corresponds to 5.
Original language | English |
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Pages (from-to) | 1370-1372 |
Number of pages | 3 |
Journal | Electronics Letters |
Volume | 32 |
Issue number | 15 |
DOIs | |
Publication status | Published - 1996 Jul 18 |
Externally published | Yes |
Keywords
- Fibre lasers
- Laser mode locking
ASJC Scopus subject areas
- Electrical and Electronic Engineering