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- Publisher Website: 10.1109/MOC.2015.7416517
- Scopus: eid_2-s2.0-84969549307
- WOS: WOS:000380392500141
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Conference Paper: Room temperature lasing of micropillar with circular grating by liquid immersion laser micromachining
| Title | Room temperature lasing of micropillar with circular grating by liquid immersion laser micromachining |
|---|---|
| Authors | |
| Keywords | Gratings Light emitting diodes Whispering gallery modes Gallium nitride Q-factor Micromachining Lasers |
| Issue Date | 2016 |
| Citation | MOC 2015 - Technical Digest of 20th Microoptics Conference, 2016, article no. 7416517 How to Cite? |
| Abstract | We report on a room temperature lasing by micropillar fabricated by liquid-immersion laser micromachining. A 10.7 um micropillar was written directly on a thin film GaN LED wafer by a nanosecond-pulsed UV laser when submerged in deionized water. Whispering gallery mode lasing was observed from photoluminescence measurement with a Q factor of 176. The Q factor is further improved to 399 by the introduction of a circular grating fabricated using the same technique. |
| Persistent Identifier | http://hdl.handle.net/10722/302186 |
| ISI Accession Number ID |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Fu, Wai Yuen | - |
| dc.contributor.author | Cheung, Yuk Fai | - |
| dc.contributor.author | Choi, Hoi Wai | - |
| dc.date.accessioned | 2021-08-30T13:57:58Z | - |
| dc.date.available | 2021-08-30T13:57:58Z | - |
| dc.date.issued | 2016 | - |
| dc.identifier.citation | MOC 2015 - Technical Digest of 20th Microoptics Conference, 2016, article no. 7416517 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/302186 | - |
| dc.description.abstract | We report on a room temperature lasing by micropillar fabricated by liquid-immersion laser micromachining. A 10.7 um micropillar was written directly on a thin film GaN LED wafer by a nanosecond-pulsed UV laser when submerged in deionized water. Whispering gallery mode lasing was observed from photoluminescence measurement with a Q factor of 176. The Q factor is further improved to 399 by the introduction of a circular grating fabricated using the same technique. | - |
| dc.language | eng | - |
| dc.relation.ispartof | MOC 2015 - Technical Digest of 20th Microoptics Conference | - |
| dc.subject | Gratings | - |
| dc.subject | Light emitting diodes | - |
| dc.subject | Whispering gallery modes | - |
| dc.subject | Gallium nitride | - |
| dc.subject | Q-factor | - |
| dc.subject | Micromachining | - |
| dc.subject | Lasers | - |
| dc.title | Room temperature lasing of micropillar with circular grating by liquid immersion laser micromachining | - |
| dc.type | Conference_Paper | - |
| dc.description.nature | link_to_subscribed_fulltext | - |
| dc.identifier.doi | 10.1109/MOC.2015.7416517 | - |
| dc.identifier.scopus | eid_2-s2.0-84969549307 | - |
| dc.identifier.spage | article no. 7416517 | - |
| dc.identifier.epage | article no. 7416517 | - |
| dc.identifier.isi | WOS:000380392500141 | - |