Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 22, Issue 2, Pages 109-111Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2009.2036448
Keywords
Optical filter; photonic integrated circuits (PICs); programmable filter
Funding
- Defense Advanced Research Projects Agency (DARPA)
- National Science Foundation (NSF)
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A novel monolithic programmable optical lattice filter consisting of unit cell building blocks is proposed. Single unit cells incorporating a ring resonator in one arm of a Mach-Zehnder are fabricated in an InGaAsP-InP material system. Programmable poles and zeros are demonstrated and monolithically cascaded unit cells are used to synthesize a flat passband.
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