Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 15, Issue 10, Pages 1330-1332Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2003.817990
Keywords
continuous-wave laser; microdisk laser; microresonator; mode competition; photonic integrated circuit (PIC); single-mode laser
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Semiconductor microdisk resonator lasers vertically coupled to bus waveguides are demonstrated for. the first time. These structures have many of the characteristics required for a light source in photonic integrated circuits because they can be coupled to other optical elements (switches, routers, filters, etc.) through common bus lines. A continuous-wave single-mode laser at 1579 nm with a side-mode suppression ratio greater than 30 dB has been achieved for an 8-mum-radius microdisk. For larger disks, mode competition between modes near the maximum gain wavelength is observed from the light output-current (L-I) characteristics. Improved heat sink design is required for future devices.
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