1-W single-mode edge-emitting DBR ring oscillators

Journal Article · Wed Mar 31 23:00:00 EST 1993 · IEEE Photonics Technology Letters (Institute of Electrical and Electronics Engineers); (United States)

DOI:https://doi.org/10.1109/68.212667· OSTI ID:6482448

Dzurko, K M; Welch, D F; Scifres, D R; Hardy, A ^[1]

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1. Spectra Diode Laboratories, San Jose, CA (United States)

The distributed Bragg reflector (DBR) ring oscillator is a new class of single-mode diode laser which emits high power, spatially coherent, single frequency output from a large aperture. An edge emitting DBR ring oscillators has been fabricated that exhibits single frequency operation to 1 W output from a single facet. From a second device, the far field radiation pattern is a 0.2[degree] diffraction-limited beam which remains stable and stationary up to 460 mW, measured from an uncoated facet. This device produces over 2.5 W of coherent power into four equal beams and has a threshold current density of 177 A / cm[sup 2] and a differential quantum efficiency of 63%.

• OSTI ID: 6482448
• Journal Information: IEEE Photonics Technology Letters (Institute of Electrical and Electronics Engineers); (United States), Journal Name: IEEE Photonics Technology Letters (Institute of Electrical and Electronics Engineers); (United States) Vol. 5:4; ISSN 1041-1135; ISSN IPTLEL
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
426002* -- Engineering-- Lasers & Masers-- (1990-)
APERTURES
BRAGG REFLECTION
CURRENT DENSITY
DESIGN
DIFFRACTION GRATINGS
EFFICIENCY
FABRICATION
GRATINGS
LASERS
OPENINGS
OPERATION
POWER
QUANTUM EFFICIENCY
REFLECTION
RING LASERS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR LASERS
SOLID STATE LASERS