Mode-expanded semiconductor laser with tapered-rib adiabatic-following fiber coupler

Conference · Sun Dec 01 00:00:00 EST 1996

OSTI ID:414406

Vawter, G A; Smith, R E; Hou, H; Wendt, J R

Expanded-mode semiconductor lasers are of great interest due to the benefits of reduced far-field divergence and improved coupling efficiency to optical fiber. The authors present a new diode laser using a Tapered-Rib Adiabatic-Following Fiber Coupler (TRAFFiC) to achieve 2D mode expansion without epitaxial regrowth or sharply-defined tips on tapered waveguides. The expanded mode size would allow 0.25 to 1 dB coupling loss to standard telecommunications fiber making smaller-core specialty fibers unnecessary, increasing misalignment tolerance, and eliminating the need for coupling optics.

• Research Organization: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
• Sponsoring Organization: USDOE Office of Financial Management and Controller, Washington, DC (United States)
• DOE Contract Number: AC04-94AL85000
• OSTI ID: 414406
• Report Number(s): SAND-96-2702C; CONF-961113-4; ON: DE97001442; TRN: AHC29701%%105
• Resource Relation: Conference: Photonics East `96: International Society for Optical Engineering (SPIE) conference and exhibition on photonic sensors and controls for commercial applications, Boston, MA (United States), 19-21 Nov 1996; Other Information: PBD: [1996]
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING NOT INCLUDED IN OTHER CATEGORIES
SEMICONDUCTOR LASERS
DESIGN
COUPLINGS
BEAM OPTICS
LIGHT TRANSMISSION
OPTICAL MODES
LASER MATERIALS
HETEROJUNCTIONS
FABRICATION