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Photonic Bandgap Disk Laser

Research Area: Nanophotonics Year: 1999
Type of Publication: Article Keywords: photonic crystal, photonic bandgap, semiconductor laser, defect mode
Authors: Lee, R. K.; Painter, Oskar; Kitzke, B.; Scherer, Axel; Yariv, A.
Journal: Electronics Letters Volume: 35
Number: 7 Pages: 569-570
Month: April
A two-dimensional photonic crystal defined hexagonal disk laser which relies on Bragg reflection rather than the total internal reflection as in traditional microdisk lasers is described. The devices are fabricated using a selective etch to form free standing membranes suspended in air. Room temperature lasing at 1650 nm for a 150 nm thick, ~15 μm wide cavity fabricated in InP/InGaAsP is demonstrated with pulsed optical pumping.
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