Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 12, Issue 4, Pages 410-412Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/68.839035
Keywords
optical directional couplers; optical waveguide filters; wafer bonding; wavelength division multiplexing
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A simple optical add/drop multiplexer (OADM) based an a X-crossing InGaAsP-InP vertical coupler filter is demonstrated, Laterally separated input and output waveguides and the X-crossing arrangement are achieved using wafer bonding. A sidelobe level of -26 dB and a coupling efficiency of 97% with the central wavelength at 1.56 mu m mere measured for an OADM with an Ii-crossing angle of 0.25 degrees.
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