Abstract
InGaAsP/InP metal-clad ridge-waveguide distributed feedback lasers with an improved device structure were made by single-step liquid-phase epitaxy. With — 20 nm detuned Bragg wavelength, yL around 1-2 and 0.08-0.1 ¡iin active layer thickness the linewidth of 400-800 /¿m long as-cleaved lasers is as small as 2 MHz at 10-15 mW optical power.
| Original language | English |
|---|---|
| Pages (from-to) | L745-L747 |
| Journal | Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers |
| Volume | 30 |
| Issue number | 4B |
| DOIs | |
| State | Published - Apr 1991 |
| Externally published | Yes |
Keywords
- DFB laser
- InGaAsP/InP
- Laser diode
- Laser resonator
- Optical communications
- Ridge-waveguide laser
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