| Issue |
EPL
Volume 77, Number 4, February 2007
|
|
|---|---|---|
| Article Number | 44004 | |
| Number of page(s) | 5 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/77/44004 | |
| Published online | 09 February 2007 | |
Slow propagation of externally injected light pulses in coupled semiconductor laser array
School of Electrical Engineering, Tel-Aviv University - Israel
Received:
21
September
2006
Accepted:
19
December
2006
The propagation on an optical pulse injected into an array of semiconductor lasers is studied. Below lasing threshold, the array supports distortion-free, low-loss, slow-light propagation. Approximated expressions for the group velocity and the attenuation coefficient are derived analytically and verified numerically. The tradeoffs between the amplitude attenuation and the group delay are analyzed and an optimal pumping level, providing maximum output power for a desirable delay, is found.
PACS: 42.55.Px – Semiconductor lasers; laser diodes / 42.55.Sa – Microcavity and microdisk lasers / 42.60.Da – Resonators, cavities, amplifiers, arrays, and rings
© Europhysics Letters Association, 2007
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