Abstract
With the separation of optical and current apertures, photonic crystal vertical-cavity surface-emitting lasers can reach a 3-dB small-signal modulation bandwidth of >18 GHz while lasing in the fundamental mode. Because of reduced chromatic dispersion, such devices enable error-free transmission over 1-km OM4 multimode fiber at a data rate of 25 Gb/s and operating at a current density of 5.4 kA/cm2. This can potentially lead to a laser source that is useful for rack-to-rack transmissions in large data centers and potentially long device lifetime.
Original language | English (US) |
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Article number | 6571212 |
Pages (from-to) | 1823-1825 |
Number of pages | 3 |
Journal | IEEE Photonics Technology Letters |
Volume | 25 |
Issue number | 18 |
DOIs | |
State | Published - 2013 |
Keywords
- Direct modulation
- Multimode fiber
- Photonic crystal
- Vertical-cavity surface-emitting lasers (VCSELs)
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Electrical and Electronic Engineering