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Proceedings Paper

Radio-frequency spectra of long-cavity diode lasers under CW pumping
Author(s): Chiyu Liu; Hongjun Cao; Marcita Benavidez; Hai Ling; Hui Su; Gregory M. Peake; Petr G. Eliseev; Marek Osinski
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Paper Abstract

High-frequency spectra of free-running 5-mm-long triple-quantum-well graded-index separate-confinement heterostructure broad-area diode lasers emitting at ~1 μm are investigated in the range of 1-20 GHz using RF spectrum analyzer. The spectra reveal stable beat lines at ~8 and ~16 GHz, corresponding to single and double mode spacings between adjacent longitudinal modes. A current-dependent peak, varying from 0.6 to 2 GHz, is associated with the relaxation resonance. Measurements of mode beating spectra provide additional characterization of diode laser emission for coherent light applications.

Paper Details

Date Published: 18 June 2004
PDF: 11 pages
Proc. SPIE 5349, Physics and Simulation of Optoelectronic Devices XII, (18 June 2004); doi: 10.1117/12.540321
Show Author Affiliations
Chiyu Liu, CHTM/Univ. of New Mexico (United States)
Hongjun Cao, CHTM/Univ. of New Mexico (United States)
Marcita Benavidez, CHTM/Univ. of New Mexico (United States)
Hai Ling, CHTM/Univ. of New Mexico (United States)
Hui Su, CHTM/Univ. of New Mexico (United States)
Gregory M. Peake, Sandia National Labs. (United States)
Petr G. Eliseev, CHTM/Univ. of New Mexico (United States)
P.N. Lebedev Physical Institute (Russia)
Marek Osinski, CHTM/Univ. of New Mexico (United States)


Published in SPIE Proceedings Vol. 5349:
Physics and Simulation of Optoelectronic Devices XII
Marek Osinski; Hiroshi Amano; Fritz Henneberger, Editor(s)

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