Radio-frequency spectra of long-cavity diode lasers under CW pumping

Chiyu Liu; Hongjun Cao; Marcita Benavidez; Hai Ling; Hui Su; Gregory M. Peake; Petr G. Eliseev; Marek Osinski

doi:10.1117/12.540321

18 June 2004 Radio-frequency spectra of long-cavity diode lasers under CW pumping

Chiyu Liu, Hongjun Cao, Marcita Benavidez, Hai Ling, Hui Su, Gregory M. Peake, Petr G. Eliseev, Marek Osinski

Proceedings Volume 5349, Physics and Simulation of Optoelectronic Devices XII; (2004) https://doi.org/10.1117/12.540321
Event: Integrated Optoelectronic Devices 2004, 2004, San Jose, CA, United States

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.

Citation Download Citation

Chiyu Liu, Hongjun Cao, Marcita Benavidez, Hai Ling, Hui Su, Gregory M. Peake, Petr G. Eliseev, and Marek Osinski "Radio-frequency spectra of long-cavity diode lasers under CW pumping", Proc. SPIE 5349, Physics and Simulation of Optoelectronic Devices XII, (18 June 2004); https://doi.org/10.1117/12.540321

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