MZI optical isolator with Si-wire waveguides by surface-activated direct bonding

Ce:YIG/Silicon-on-Insulator waveguide optical isolator realized by adhesive bonding

(2012) S. Ghosh et al.   OPTICS EXPRESS

On-chip optical isolation in monolithically integrated non-reciprocal optical resonators

(2011) Lei Bi et al.   Nature Photonics

Silicon ring isolators with bonded nonreciprocal magneto-optic garnets

(2011) Ming-Chun Tien et al.   OPTICS EXPRESS

Effects of Wafer Precleaning and Plasma Irradiation to Wafer Surfaces on Plasma-Assisted Surface-Activated Direct Bonding

(2010) Ryohei Takei et al.   JAPANESE JOURNAL OF APPLIED PHYSICS

Enhancement of nonreciprocal phase shift by using nanoscale air gap

(2010) Ruiyi Chen et al.   OPTICS LETTERS

Magneto-optical isolator with silicon waveguides fabricated by direct bonding

(2008) Yuya Shoji et al.   APPLIED PHYSICS LETTERS