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A proton-implanted photonic crystal vertical-cavity surface-emitting laser for fibre optic applications is demonstrated. Ultra-low threshold current of about 1.25 mA, single fundamental mode (SMSR>40 dB) CW output power of over 1 mW, with a pulsed output power exceeding 2 mW has been achieved in the 850 nm range.
Inspec keywords: surface emitting lasers; ion implantation; laser modes; semiconductor lasers; optical communication equipment; photonic crystals
Other keywords:
Subjects: Optical communication devices, equipment and systems; Laser resonators and cavities; Laser beam modulation, pulsing and switching; mode locking and tuning; Photonic bandgap materials; Semiconductor doping; Lasing action in semiconductors; Laser beam modulation, pulsing and switching; mode locking and tuning; Design of specific laser systems; Optical communication equipment; Semiconductor lasers; Photonic band gap (condensed matter); Laser resonators and cavities; Doping and implantation of impurities