Abstract
The influence of waveguide parameters on the polarization of the lasing mode is investigated for λ=1.55 μm InGaAsP-InP ridge-waveguide lasers. It is found experimentally that for weak index guiding the lasers are polarized TM, whereas for gain guided or strongly index guided devices the polarization is TE. This behaviour is in excellent agreement with calculations based on a recently developed ridge-waveguide laser model. It is demonstrated that stable TE or TM polarization can arbitrarily be established by means of an appropriate choice of the laser parameters.
| Original language | English |
|---|---|
| Pages (from-to) | L104-L106 |
| Journal | Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers |
| Volume | 27 |
| Issue number | 1A |
| DOIs | |
| State | Published - Jan 1988 |
| Externally published | Yes |
Keywords
- Gain-index guiding
- InGaAsP-laser
- Polarization
- Ridge-waveguide
- Waveguiding parameter
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