Abstract
We report the first demonstration of narrowband (<17 Å full width at half maximum) wavelength selective grating-assisted coupling between vertically stacked buried rib InGaAsP/InP channel waveguides. These vertically coupled channel waveguides form the basis both of integrable filters essential to photonic circuits such as amplifier/filter and demultiplexer/detector circuits as well as a general approach to vertical integration of photonic circuits.
Original language | English (US) |
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Pages (from-to) | 2573-2575 |
Number of pages | 3 |
Journal | Applied Physics Letters |
Volume | 59 |
Issue number | 20 |
DOIs | |
State | Published - 1991 |
Externally published | Yes |
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)