Monolithically integrated self-rolled-up microtube-based vertical coupler for three-dimensional photonic integration
- Univ. of Illinois, Urbana, IL (United States); California Institute of Technology (CalTech), Pasadena, CA (United States)
- Univ. of Illinois, Urbana, IL (United States)
We demonstrate a self-rolled-up microtube-based vertical photonic coupler monolithically integrated on top of a ridge waveguide to achieve three-dimensional (3D) photonic integration. The fabrication process is fully compatible with standard planar silicon processing technology. Strong light coupling between the vertical coupler and the ridge waveguide was observed experimentally, which may provide an alternative route for 3D heterogeneous photonic integration. Furthermore, the highest extinction ratio observed in the transmission spectrum passing through the ridge waveguide was 23 dB.
- Research Organization:
- Univ. of Illinois at Urbana-Champaign, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; NSF CAREER; USDOE
- Grant/Contract Number:
- FG02-07ER46471
- OSTI ID:
- 1875679
- Alternate ID(s):
- OSTI ID: 1226776
- Journal Information:
- Applied Physics Letters, Vol. 107, Issue 3; ISSN 0003-6951
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 33 works
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