Title:
LASER DEVICES
Document Type and Number:
WIPO Patent Application WO2002041456
Kind Code:
A3
Abstract:
This invention concerns the use of engineered deep-etch air/semiconductor Bragg reflector gratings in order to control the spectral and spatial emission in short-wavelength laser diodes. The technique consists of introducing a high-order deep-etch distributed reflector of controlled depth, pitch and position into the laser cavity, in order to selectively enhance the modal reflectivity of one, or a selected number, or lasing modes.
Inventors:
MARINELLI CLAUDIO (GB)
RORISON JUDY MEGAN (GB)
SARGENT LAURENCE (GB)
PENTY RICHARD VINCENT (GB)
BORDOVSKY MICHAL (GB)
WHITE IAN HUGH (GB)
RORISON JUDY MEGAN (GB)
SARGENT LAURENCE (GB)
PENTY RICHARD VINCENT (GB)
BORDOVSKY MICHAL (GB)
WHITE IAN HUGH (GB)
Application Number:
PCT/GB2001/005033
Publication Date:
January 16, 2003
Filing Date:
November 15, 2001
Export Citation:
Assignee:
UNIV BRISTOL (GB)
MARINELLI CLAUDIO (GB)
RORISON JUDY MEGAN (GB)
SARGENT LAURENCE (GB)
PENTY RICHARD VINCENT (GB)
BORDOVSKY MICHAL (GB)
WHITE IAN HUGH (GB)
MARINELLI CLAUDIO (GB)
RORISON JUDY MEGAN (GB)
SARGENT LAURENCE (GB)
PENTY RICHARD VINCENT (GB)
BORDOVSKY MICHAL (GB)
WHITE IAN HUGH (GB)
International Classes:
H01S5/343; H01S5/12; H01S5/22; (IPC1-7): H01S5/12; H01S5/343
Other References:
MARINELLI C ET AL: "Threshold current reduction in InGaN MQW laser diode with lambda/4 air/semiconductor Bragg reflectors", ELECTRONICS LETTERS, IEE STEVENAGE, GB, vol. 36, no. 20, 28 September 2000 (2000-09-28), pages 1706 - 1707, XP006015781, ISSN: 0013-5194
MARINELLI C ET AL: "Reduced threshold current and enhanced mode selectivity in InGaN MQW lasers with deeply etched air/nitride distributed Bragg reflector", LEOS 2000. 2000 IEEE ANNUAL MEETING CONFERENCE PROCEEDINGS. 13TH ANNUAL MEETING. IEEE LASERS AND ELECTRO-OPTICS SOCIETY 2000 ANNUAL MEETING (CAT. NO.00CH37080), LEOS 2000. 2000 IEEE ANNUAL MEETING CONFERENCE PROCEEDINGS, RIO GRANDE, PUERTO RICO, 13-1, 2000, Piscataway, NJ, USA, IEEE, USA, pages 653 - 654 vol.2, XP002209903, ISBN: 0-7803-5947-X
MARINELLI C ET AL: "Reduced threshold current and enhanced mode selectivity in InGaN MQW lasers with deeply etched air/nitride distributed Bragg reflector", LEOS 2000. 2000 IEEE ANNUAL MEETING CONFERENCE PROCEEDINGS. 13TH ANNUAL MEETING. IEEE LASERS AND ELECTRO-OPTICS SOCIETY 2000 ANNUAL MEETING (CAT. NO.00CH37080), LEOS 2000. 2000 IEEE ANNUAL MEETING CONFERENCE PROCEEDINGS, RIO GRANDE, PUERTO RICO, 13-1, 2000, Piscataway, NJ, USA, IEEE, USA, pages 653 - 654 vol.2, XP002209903, ISBN: 0-7803-5947-X
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