Design of high-brightness tapered laser arrays

The design of a high-power low-divergence low-astigmatism tapered-waveguide laser array is described. A two-dimensional beam propagation model is used for the first time to optimize a tapered-waveguide laser, which includes full thermal and spatiotemporal descriptions to allow detailed assessment of the major waveguiding effects on the output beam. This allows limits to the far-field performance to be addressed and compared with experimental data.

[1]  D. Welch,et al.  650 mW cw single-mode operation of angled grating distributed feedback lasers , 1995, LEOS '95. IEEE Lasers and Electro-Optics Society 1995 Annual Meeting. 8th Annual Meeting. Conference Proceedings.

[2]  A. Wood,et al.  Tapered laser arrays for high power operation (>1.4 WCW) at 1.59 /spl mu/m for applications in surgery , 1998 .

[3]  Leo J. Missaggia,et al.  1 Gbit/s coherent optical communication system using a 1 W optical power amplifier , 1993 .

[4]  I. White,et al.  Picosecond Q-switched bow-tie laser diode array , 1997 .

[5]  A. Chelnokov,et al.  Numerical modeling of the spatial and spectro-temporal behavior of wide-aperture unstable resonator semiconductor lasers , 1995, IEEE Photonics Technology Letters.

[6]  D. Welch,et al.  Numerical analysis of flared semiconductor laser amplifiers , 1993 .

[7]  I. White,et al.  Gain-switched dynamics of tapered waveguide bow-tie lasers: experiment and theory , 1997, IEEE Photonics Technology Letters.

[8]  A. Wetzel,et al.  High-brightness tapered semiconductor laser oscillators and amplifiers with low-modal gain epilayer-structures , 1998, IEEE Photonics Technology Letters.

[9]  I. White,et al.  Tapered InGaAs/GaAs MQW lasers with carbon modulation-doping and reduced filamentation , 1995 .

[10]  S. Muller,et al.  High-power near-diffraction-limited tapered amplifiers at 1064 nm for optical intersatellite communications , 1998, IEEE Photonics Technology Letters.

[11]  I. White,et al.  Beam propagation modelling of tapered waveguide lasers , 1997, 1997 Digest of the IEEE/LEOS Summer Topical Meeting: Vertical-Cavity Lasers/Technologies for a Global Information Infrastructure/WDM Components Technology/Advanced Semiconductor Lasers and Application.

[12]  Alan H. Paxton,et al.  High power, nearly diffraction-limited output from a semiconductor laser with an unstable resonator , 1991 .

[13]  L. Mawst,et al.  Coherent 1 W continuous wave operation of large‐aperture resonant arrays of antiguided diode lasers , 1993 .

[14]  Double-tapered-waveguide distributed feedback lasers for high-power single-mode operation , 1997 .

[15]  Govind P. Agrawal,et al.  Fast‐Fourier‐transform based beam‐propagation model for stripe‐geometry semiconductor lasers: Inclusion of axial effects , 1984 .

[16]  J. N. Walpole,et al.  Semiconductor amplifiers and lasers with tapered gain regions , 1996 .

[17]  C. R. Giles,et al.  High power laser‐amplifier photonic integrated circuit for 1.48 μm wavelength operation , 1991 .

[18]  Cun-Zheng Ning,et al.  Dynamic instabilities in master oscillator power amplifier semiconductor lasers , 1998 .

[19]  Z. Li,et al.  A comparative study of temperature sensitivity of InGaAsP and AlGaAs MQW lasers using numerical simulations , 1995 .

[20]  A. R. Goodwin,et al.  Realisation of monolithically integrated single frequency MQW laser and booster amplifier at 1.5 mu m wavelength , 1991 .

[21]  D. Welch,et al.  Distributed Bragg reflector ring oscillators: A large aperture source of high single-mode optical power , 1993 .

[22]  K. Stubkjaer,et al.  Recombination, gain and bandwidth characteristics of 1.3-µm semiconductor laser amplifiers , 1987 .

[23]  S. O'Brien,et al.  20 W, High-brightness Angled-grating DFB Laser Array , 1997, CLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics.

[24]  M. Osiński,et al.  Linewidth broadening factor in semiconductor lasers--An overview , 1987 .

[25]  David F. Welch,et al.  1.1 W CW, diffraction-limited operation of a monolithically integrated flared-amplifier master oscillator power amplifier , 1992 .

[26]  L. Goldberg,et al.  Blue light generation by frequency doubling of AlGaAs broad area amplifier emission , 1992 .

[27]  Xun Li,et al.  Simulation of DFB semiconductor lasers incorporating thermal effects , 1995 .

[28]  David J. Bossert,et al.  Time-dependent modeling of the MFA-MOPA , 1996, Photonics West.

[29]  I. White,et al.  Passive mode locking in p-doped MQW bow-tie lasers , 1995 .

[30]  B. Zhu,et al.  High-peak-power picosecond optical pulse generation from Q-switched bow-tie laser with a tapered traveling wave amplifier , 1996, IEEE Photonics Technology Letters.

[31]  B. Nayar,et al.  Novel high-power barrow-beam divergence tapered laser arrays at 980 nm , 1998, Technical Digest. Summaries of Papers Presented at the Conference on Lasers and Electro-Optics. Conference Edition. 1998 Technical Digest Series, Vol.6 (IEEE Cat. No.98CH36178).

[32]  G. Bendelli,et al.  A new structure for high-power TW-SLA (Travelling wave semiconductor laser amplifier) , 1991, IEEE Photonics Technology Letters.

[33]  I. White,et al.  Design of High Power Tapered Waveguide Semiconductor Lasers , 1998, CLEO/Europe Conference on Lasers and Electro-Optics.

[34]  I. White,et al.  Q-switched bow-tie lasers for high energy picosecond pulse generation , 1994 .

[35]  Govind P. Agrawal,et al.  Lateral analysis of quasi-index-guided injection lasers: Transition from gain to index guiding , 1984 .

[36]  Toshiaki Suhara,et al.  Parabolic-confocal unstable-resonator semiconductor lasers-Modeling and experiments , 1998 .

[37]  C.Z. Ning,et al.  Enhanced stability of MFA-MOPA semiconductor lasers using a nonlinear, trumpet-shaped flare , 1997, IEEE Photonics Technology Letters.

[38]  Takeshi Kobayashi,et al.  Temperature Distributions in the GaAs-AlGaAs Double-Heterostructure Laser below and above the Threshold Current , 1975 .