Global Foundries, Intel, Applied Materials and Lockheed Martin all helped push the optical transceiver technology developer's total funding past $60m.

US-based connectivity technology developer Ayar Labs closed a $35m series B round yesterday featuring aerospace and defence company Lockheed Martin and semiconductor technology producers GlobalFoundries, Intel and Applied Materials.

The round was co-led by Downing Ventures and BlueSky Capital and included Castor Ventures Fund, the venture capital fund centred on alumni from Massachusetts Institute of Technology, in addition to BlueSky Capital, Founders Fund, Playground Global and the Singapore state-owned SGInnovate.

Lockheed Martin, Intel and Applied Materials took part through their…