access icon free Sub-THz wave generation based on a dual wavelength microsquare laser

A microsquare dual wavelength laser has been fabricated and applied to sub-THz emission by beating two modes. An 18 × 18 μm square AlGaInAs/InP microsquare laser combined with an optimised uni-travelling-carrier photodiode has demonstrated stable emission at 103.2 GHz.

Inspec keywords: micro-optics; laser modes; indium compounds; laser beams; optimisation; gallium compounds; microwave photonics; integrated optics; semiconductor lasers; III-V semiconductors; optical fabrication; laser stability; terahertz wave generation; integrated optoelectronics; aluminium compounds; photodiodes

Other keywords: bandwidth 103.2 GHz; optimised uni-travelling-carrier photodiode; laser modes; sub-THz wave generation; stable emission; AlGaInAs-InP; dual wavelength microsquare laser

Subjects: Integrated optics; Laser beam interactions and properties; Micro-optical devices and technology; Lasing action in semiconductors; Optical fabrication, surface grinding; Design of specific laser systems; Integrated optoelectronics; Microwave photonics; Micro-optical devices and technology; Photoelectric devices; Optimisation techniques; Laser beam characteristics and interactions; Semiconductor lasers; Integrated optics

References

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      • 4. Lee, E.S., Kim, N., Han, S.P., et al: ‘SOA-Integrated dual-mode laser and PIN-photodiode for compact CW terahertz system’, ETRI J., 2016, 38, pp. 665674.
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http://iet.metastore.ingenta.com/content/journals/10.1049/el.2017.1695
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