Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 25, Issue 10, Pages 936-939Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2013.2256778
Keywords
Integrated optoelectronics; optical resonators; optoelectronic devices
Funding
- 973 Program [ID2011CB301700]
- National Natural Science Foundation of China [61007039, 61001074]
- Science and Technology Commission of Shanghai Municipality [10DJ1400402, 12XD1406400]
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We investigate the influence of coupling strength on self-coupled optical waveguide (SCOW) resonators. Experimental results reveal that the SCOW resonator transmission spectrum can exhibit single-channel or dual-channel stopbands with the band splitting level determined by the two coupling coefficients. Electrically tunable SCOW resonators comprising 2 x 2 Mach-Zehnder interferometer couplers are also demonstrated, which shows a similar change trend upon coupling tuning.
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