Integrated DFB Lasers on Si3N4 Photonic Platform for Chip-Scale Atomic Systems

780 nm wavelength distributed feedback lasers have been integrated onto a Si3N4 photonic platform on a Si substrate and coupled into waveguides for laser locking to either a ring resonator or rubidium vacuum cell.

K Gallacher, M. Sinclair, R W. Millar, O. Sharp, F Mirando, G. Ternent, G. Mills, B. Casey, and D J. Paul

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DFB InP Process Scaled to 150 mm (6”) 

Kelvin Nanotechnology (KNT) has developed a Distributed Feedback (DFB) grating process on 150 mm (6”) InP platform. The work was done in collaboration with the James Watt Nanofabrication Centre (JWNC) and IQE plc (Cardiff, Wales).

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