Abstract
A 1×2 hollow multimode interference (MMI) coupler based on semiconductor hollow waveguides formed from omnidirectional reflectors (SHOW-ODR) is demonstrated. The device has a shorter coupling length than a conventional silicon-on-insulator MMI coupler. A 2 dB uniformity was achieved at operating wavelengths between 1520 and 1562 nm. The device exhibited a weak polarization dependence in the TE and TM modes.
Original language | English |
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Pages (from-to) | 1803-1805 |
Number of pages | 3 |
Journal | Optics Letters |
Volume | 32 |
Issue number | 13 |
DOIs | |
State | Published - 1 Jul 2007 |