37-GHz Modulation via Resonance Tuning in Single-Mode Coherent Vertical-Cavity Laser Arrays

Fryslie, Stewart T. M.; Siriani, Meng Peun Tan; Siriani, Dominic F.; Johnson, Matthew T.; Choquette, Kent D.

doi:10.1109/lpt.2014.2376959

Cited by 89 publications

(46 citation statements)

References 15 publications

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“…While the study of PT-symmetric Hamiltonians traces to the seminal paper in 1998 [19], coherently coupled semiconductor laser arrays have been studied for more than three decades [20][21][22][23][24][25][26][27][28] for applications including high brightness beam generation [29][30][31][32], beam steering [21,27,33,34], and high bandwidth modulation [35,36]. Coupled mode theory has been used to describe the supermodes of the array [23,37,38], phase velocity matching [39], and dynamics [27,40].…”

Section: Introductionmentioning

confidence: 99%

Parity-time symmetry in coherently coupled vertical cavity laser arrays

Gao

Fryslie

Thompson

et al. 2017

Optica

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102

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We report parity-time (PT) symmetry breaking in electrically injected, coherently coupled, vertical cavity surface emitting laser arrays. We predict beam steering, mode evolution and mode hopping as a consequence of the non-Hermiticity of the array analyzed by temporal coupled mode theory with both asymmetric gain distribution and local frequency detuning. We present experimental confirmation of the predicted mode evolution, mode hopping and PT symmetry breaking with quantitative agreement with the theory.

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Section: Introductionmentioning

confidence: 99%

Parity-time symmetry in coherently coupled vertical cavity laser arrays

Gao

Fryslie

Thompson

et al. 2017

Optica

Self Cite

102

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“…Dynamic high-speed modulation has been reported using nano-and micro-size lasers, such as vertical cavity surface emitting lasers (VCSELs), micro disk lasers, PhC light emitting diodes, and PhC lasers, [28][29][30][31][32][33][34][35][36] but there have been very few reports on NW lasers. To demonstrate fast direct modulation for bit stream data, the devices should achieve CW lasing operation, which is generally hard for NW lasers.…”

Section: Introductionmentioning

confidence: 99%

Continuous-wave operation and 10-Gb/s direct modulation of InAsP/InP sub-wavelength nanowire laser on silicon photonic crystal

Takiguchi¹,

Yokoo²,

Nozaki³

et al. 2017

APL Photonics

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We demonstrated sub-wavelength (~111 nm diameter) single nanowire (NW) continuous wave (CW) lasers on silicon photonic crystal in the telecom-band with direct modulation at 10 Gb/s by optical pumping at cryogenic temperatures. To estimate the small signal response and pseudo-random bit sequence (PRBS) modulation of our CW lasers, we employed a new signal detection technique that employs a superconducting single photon detector and a time-correlated single photon counting module. The results showed that our NW laser was unambiguously modulated at above 10 Gb/s and an open eye pattern was obtained. This is the first demonstration of a telecom-band CW NW laser with high-speed PRBS modulation.

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“…One such concept is the direct modulation of a singlemode, coherently coupled VCSEL array. 2,3 A transversecoupled-cavity VCSEL-one with an integrated lateral feedback resonator-was shown to produce enhanced modulation amplitude at high frequency, demonstrating a 29GHz modulation bandwidth and a 36Gbit/s modulation rate. 4 Using resonance and coherence tuning of planar, phased photonic crystal 2 1 VC-SEL arrays, we have been working on an approach to enhance modal control and allow strong optical coupling of array elements.…”

mentioning

confidence: 99%

“…Using this approach, we have developed a novel structure with significantly improved performance in addition to an operation technique that enables control over the enhanced frequency response. 2,3…”

mentioning

confidence: 99%