id sid tid token lemma pos pc289g5798w 1 1 high high ADJ pc289g5798w 1 2 index index NOUN pc289g5798w 1 3 contrast contrast NOUN pc289g5798w 1 4 ( ( PUNCT pc289g5798w 1 5 hic hic PROPN pc289g5798w 1 6 ) ) PUNCT pc289g5798w 1 7 optical optical ADJ pc289g5798w 1 8 waveguides waveguide NOUN pc289g5798w 1 9 permit permit VERB pc289g5798w 1 10 a a DET pc289g5798w 1 11 move move NOUN pc289g5798w 1 12 towards towards ADP pc289g5798w 1 13 very very ADV pc289g5798w 1 14 large large ADJ pc289g5798w 1 15 scale scale NOUN pc289g5798w 1 16 integration integration NOUN pc289g5798w 1 17 of of ADP pc289g5798w 1 18 photonic photonic ADJ pc289g5798w 1 19 integrated integrate VERB pc289g5798w 1 20 circuits circuit NOUN pc289g5798w 1 21 ( ( PUNCT pc289g5798w 1 22 pics pic NOUN pc289g5798w 1 23 ) ) PUNCT pc289g5798w 1 24 , , PUNCT pc289g5798w 1 25 primarily primarily ADV pc289g5798w 1 26 because because SCONJ pc289g5798w 1 27 of of ADP pc289g5798w 1 28 the the DET pc289g5798w 1 29 very very ADV pc289g5798w 1 30 small small ADJ pc289g5798w 1 31 waveguide waveguide NOUN pc289g5798w 1 32 bending bend VERB pc289g5798w 1 33 radius radius NOUN pc289g5798w 1 34 achievable achievable ADJ pc289g5798w 1 35 . . PUNCT pc289g5798w 2 1 a a DET pc289g5798w 2 2 novel novel ADJ pc289g5798w 2 3 self self NOUN pc289g5798w 2 4 - - PUNCT pc289g5798w 2 5 aligned align VERB pc289g5798w 2 6 fabrication fabrication NOUN pc289g5798w 2 7 process process NOUN pc289g5798w 2 8 combining combine VERB pc289g5798w 2 9 conventional conventional ADJ pc289g5798w 2 10 dry dry ADJ pc289g5798w 2 11 etching etching NOUN pc289g5798w 2 12 and and CCONJ pc289g5798w 2 13 a a DET pc289g5798w 2 14 unique unique ADJ pc289g5798w 2 15 non non ADJ pc289g5798w 2 16 - - ADJ pc289g5798w 2 17 selective selective ADJ pc289g5798w 2 18 ( ( PUNCT pc289g5798w 2 19 i.e. i.e. X pc289g5798w 2 20 , , PUNCT pc289g5798w 2 21 oxygen oxygen NOUN pc289g5798w 2 22 - - PUNCT pc289g5798w 2 23 enhanced enhance VERB pc289g5798w 2 24 ) ) PUNCT pc289g5798w 2 25 wet wet ADJ pc289g5798w 2 26 thermal thermal ADJ pc289g5798w 2 27 oxidation oxidation NOUN pc289g5798w 2 28 technique technique NOUN pc289g5798w 2 29 for for ADP pc289g5798w 2 30 gaas gaas NOUN pc289g5798w 2 31 - - PUNCT pc289g5798w 2 32 based base VERB pc289g5798w 2 33 heterostructures heterostructure NOUN pc289g5798w 2 34 is be AUX pc289g5798w 2 35 demonstrated demonstrate VERB pc289g5798w 2 36 in in ADP pc289g5798w 2 37 which which PRON pc289g5798w 2 38 a a DET pc289g5798w 2 39 layer layer NOUN pc289g5798w 2 40 of of ADP pc289g5798w 2 41 native native ADJ pc289g5798w 2 42 oxide oxide NOUN pc289g5798w 2 43 is be AUX pc289g5798w 2 44 formed form VERB pc289g5798w 2 45 on on ADP pc289g5798w 2 46 the the DET pc289g5798w 2 47 sidewall sidewall NOUN pc289g5798w 2 48 and and CCONJ pc289g5798w 2 49 base base NOUN pc289g5798w 2 50 of of ADP pc289g5798w 2 51 an an DET pc289g5798w 2 52 etch etch NOUN pc289g5798w 2 53 - - PUNCT pc289g5798w 2 54 defined define VERB pc289g5798w 2 55 mesa mesa NOUN pc289g5798w 2 56 , , PUNCT pc289g5798w 2 57 largely largely ADV pc289g5798w 2 58 simplifying simplify VERB pc289g5798w 2 59 the the DET pc289g5798w 2 60 fabrication fabrication NOUN pc289g5798w 2 61 by by ADP pc289g5798w 2 62 simultaneously simultaneously ADV pc289g5798w 2 63 providing provide VERB pc289g5798w 2 64 both both DET pc289g5798w 2 65 electrical electrical ADJ pc289g5798w 2 66 insulation insulation NOUN pc289g5798w 2 67 ( ( PUNCT pc289g5798w 2 68 eliminating eliminate VERB pc289g5798w 2 69 the the DET pc289g5798w 2 70 need need NOUN pc289g5798w 2 71 for for ADP pc289g5798w 2 72 a a DET pc289g5798w 2 73 deposited deposit VERB pc289g5798w 2 74 dielectric dielectric NOUN pc289g5798w 2 75 and and CCONJ pc289g5798w 2 76 additional additional ADJ pc289g5798w 2 77 mask mask NOUN pc289g5798w 2 78 step step NOUN pc289g5798w 2 79 ) ) PUNCT pc289g5798w 2 80 and and CCONJ pc289g5798w 2 81 effective effective ADJ pc289g5798w 2 82 optical optical ADJ pc289g5798w 2 83 mode mode NOUN pc289g5798w 2 84 confinement confinement NOUN pc289g5798w 2 85 . . PUNCT pc289g5798w 3 1 oxidation oxidation NOUN pc289g5798w 3 2 smoothing smoothing NOUN pc289g5798w 3 3 , , PUNCT pc289g5798w 3 4 a a DET pc289g5798w 3 5 new new ADJ pc289g5798w 3 6 technique technique NOUN pc289g5798w 3 7 allowing allow VERB pc289g5798w 3 8 ultra ultra ADJ pc289g5798w 3 9 - - ADJ pc289g5798w 3 10 low low ADJ pc289g5798w 3 11 loss loss NOUN pc289g5798w 3 12 hic hic PROPN pc289g5798w 3 13 waveguides waveguide NOUN pc289g5798w 3 14 , , PUNCT pc289g5798w 3 15 is be AUX pc289g5798w 3 16 demonstrated demonstrate VERB pc289g5798w 3 17 for for ADP pc289g5798w 3 18 the the DET pc289g5798w 3 19 first first ADJ pc289g5798w 3 20 time time NOUN pc289g5798w 3 21 in in ADP pc289g5798w 3 22 iii iii NUM pc289g5798w 3 23 - - PUNCT pc289g5798w 3 24 v v NOUN pc289g5798w 3 25 compound compound NOUN pc289g5798w 3 26 semiconductor semiconductor NOUN pc289g5798w 3 27 heterostructures heterostructure NOUN pc289g5798w 3 28 via via ADP pc289g5798w 3 29 non non ADJ pc289g5798w 3 30 - - ADJ pc289g5798w 3 31 selective selective ADJ pc289g5798w 3 32 oxidation oxidation NOUN pc289g5798w 3 33 . . PUNCT pc289g5798w 4 1 excellent excellent ADJ pc289g5798w 4 2 device device NOUN pc289g5798w 4 3 performance performance NOUN pc289g5798w 4 4 ( ( PUNCT pc289g5798w 4 5 low low ADJ pc289g5798w 4 6 threshold threshold NOUN pc289g5798w 4 7 current current ADJ pc289g5798w 4 8 , , PUNCT pc289g5798w 4 9 high high ADJ pc289g5798w 4 10 efficiency efficiency NOUN pc289g5798w 4 11 , , PUNCT pc289g5798w 4 12 stable stable ADJ pc289g5798w 4 13 - - PUNCT pc289g5798w 4 14 mode mode NOUN pc289g5798w 4 15 operation operation NOUN pc289g5798w 4 16 ) ) PUNCT pc289g5798w 4 17 is be AUX pc289g5798w 4 18 achieved achieve VERB pc289g5798w 4 19 for for ADP pc289g5798w 4 20 808 808 NUM pc289g5798w 4 21 nm nm NOUN pc289g5798w 4 22 graded grade VERB pc289g5798w 4 23 - - PUNCT pc289g5798w 4 24 index index NOUN pc289g5798w 4 25 separate separate ADJ pc289g5798w 4 26 confinement confinement NOUN pc289g5798w 4 27 heterostructure heterostructure NOUN pc289g5798w 4 28 ( ( PUNCT pc289g5798w 4 29 grinsch grinsch PROPN pc289g5798w 4 30 ) ) PUNCT pc289g5798w 4 31 hic hic PROPN pc289g5798w 4 32 laser laser NOUN pc289g5798w 4 33 diodes diode NOUN pc289g5798w 4 34 in in ADP pc289g5798w 4 35 both both CCONJ pc289g5798w 4 36 straight straight ADJ pc289g5798w 4 37 and and CCONJ pc289g5798w 4 38 curved curved ADJ pc289g5798w 4 39 geometries geometry NOUN pc289g5798w 4 40 , , PUNCT pc289g5798w 4 41 indicating indicate VERB pc289g5798w 4 42 a a DET pc289g5798w 4 43 low low ADJ pc289g5798w 4 44 surface surface NOUN pc289g5798w 4 45 state state NOUN pc289g5798w 4 46 density density NOUN pc289g5798w 4 47 at at ADP pc289g5798w 4 48 the the DET pc289g5798w 4 49 semiconductor semiconductor NOUN pc289g5798w 4 50 / / SYM pc289g5798w 4 51 oxide oxide NOUN pc289g5798w 4 52 interface interface NOUN pc289g5798w 4 53 . . PUNCT pc289g5798w 5 1 a a DET pc289g5798w 5 2 record record ADJ pc289g5798w 5 3 small small ADJ pc289g5798w 5 4 ( ( PUNCT pc289g5798w 5 5 r=10 r=10 PROPN pc289g5798w 5 6 micron micron PROPN pc289g5798w 5 7 ) ) PUNCT pc289g5798w 5 8 radius radius NOUN pc289g5798w 5 9 half half ADJ pc289g5798w 5 10 - - PUNCT pc289g5798w 5 11 racetrack racetrack NOUN pc289g5798w 5 12 - - PUNCT pc289g5798w 5 13 ring ring NOUN pc289g5798w 5 14 resonator resonator NOUN pc289g5798w 5 15 laser laser NOUN pc289g5798w 5 16 diode diode NOUN pc289g5798w 5 17 patterned pattern VERB pc289g5798w 5 18 by by ADP pc289g5798w 5 19 conventional conventional ADJ pc289g5798w 5 20 photolithography photolithography NOUN pc289g5798w 5 21 is be AUX pc289g5798w 5 22 demonstrated demonstrate VERB pc289g5798w 5 23 . . PUNCT pc289g5798w 6 1 a a DET pc289g5798w 6 2 strong strong ADJ pc289g5798w 6 3 lateral lateral ADJ pc289g5798w 6 4 optical optical ADJ pc289g5798w 6 5 confinement confinement ADJ pc289g5798w 6 6 factor factor NOUN pc289g5798w 6 7 also also ADV pc289g5798w 6 8 leads lead VERB pc289g5798w 6 9 to to ADP pc289g5798w 6 10 a a DET pc289g5798w 6 11 1.39 1.39 NUM pc289g5798w 6 12 micron micron NOUN pc289g5798w 6 13 wide wide ADJ pc289g5798w 6 14 aperture aperture NOUN pc289g5798w 6 15 laser laser NOUN pc289g5798w 6 16 with with ADP pc289g5798w 6 17 a a DET pc289g5798w 6 18 nearly nearly ADV pc289g5798w 6 19 symmetric symmetric ADJ pc289g5798w 6 20 output output NOUN pc289g5798w 6 21 beam beam NOUN pc289g5798w 6 22 , , PUNCT pc289g5798w 6 23 showing show VERB pc289g5798w 6 24 the the DET pc289g5798w 6 25 great great ADJ pc289g5798w 6 26 potential potential NOUN pc289g5798w 6 27 of of ADP pc289g5798w 6 28 the the DET pc289g5798w 6 29 hic hic PROPN pc289g5798w 6 30 laser laser NOUN pc289g5798w 6 31 structure structure NOUN pc289g5798w 6 32 to to PART pc289g5798w 6 33 overcome overcome VERB pc289g5798w 6 34 longtime longtime ADJ pc289g5798w 6 35 limitations limitation NOUN pc289g5798w 6 36 in in ADP pc289g5798w 6 37 edge edge NOUN pc289g5798w 6 38 - - PUNCT pc289g5798w 6 39 emitting emit VERB pc289g5798w 6 40 lasers laser NOUN pc289g5798w 6 41 of of ADP pc289g5798w 6 42 asymmetric asymmetric ADJ pc289g5798w 6 43 beam beam NOUN pc289g5798w 6 44 divergence divergence NOUN pc289g5798w 6 45 and and CCONJ pc289g5798w 6 46 large large ADJ pc289g5798w 6 47 astigmatism astigmatism NOUN pc289g5798w 6 48 . . PUNCT pc289g5798w 7 1 detailed detailed ADJ pc289g5798w 7 2 stripe stripe NOUN pc289g5798w 7 3 width width NOUN pc289g5798w 7 4 dependent dependent ADJ pc289g5798w 7 5 studies study NOUN pc289g5798w 7 6 also also ADV pc289g5798w 7 7 highlight highlight VERB pc289g5798w 7 8 the the DET pc289g5798w 7 9 tremendous tremendous ADJ pc289g5798w 7 10 performance performance NOUN pc289g5798w 7 11 improvement improvement NOUN pc289g5798w 7 12 due due ADP pc289g5798w 7 13 to to ADP pc289g5798w 7 14 the the DET pc289g5798w 7 15 elimination elimination NOUN pc289g5798w 7 16 of of ADP pc289g5798w 7 17 current current ADJ pc289g5798w 7 18 spreading spread VERB pc289g5798w 7 19 by by ADP pc289g5798w 7 20 the the DET pc289g5798w 7 21 hic hic PROPN pc289g5798w 7 22 structure structure NOUN pc289g5798w 7 23 . . PUNCT pc289g5798w 8 1 as as ADP pc289g5798w 8 2 the the DET pc289g5798w 8 3 most most ADV pc289g5798w 8 4 critical critical ADJ pc289g5798w 8 5 factor factor NOUN pc289g5798w 8 6 for for ADP pc289g5798w 8 7 active active ADJ pc289g5798w 8 8 devices device NOUN pc289g5798w 8 9 , , PUNCT pc289g5798w 8 10 interface interface NOUN pc289g5798w 8 11 passivation passivation NOUN pc289g5798w 8 12 is be AUX pc289g5798w 8 13 qualitatively qualitatively ADV pc289g5798w 8 14 studied study VERB pc289g5798w 8 15 by by ADP pc289g5798w 8 16 varying vary VERB pc289g5798w 8 17 the the DET pc289g5798w 8 18 native native ADJ pc289g5798w 8 19 oxide oxide NOUN pc289g5798w 8 20 thickness thickness NOUN pc289g5798w 8 21 , , PUNCT pc289g5798w 8 22 comparing compare VERB pc289g5798w 8 23 native native ADJ pc289g5798w 8 24 oxides oxide NOUN pc289g5798w 8 25 with with ADP pc289g5798w 8 26 conventional conventional ADJ pc289g5798w 8 27 plasma plasma NOUN pc289g5798w 8 28 - - PUNCT pc289g5798w 8 29 enhanced enhance VERB pc289g5798w 8 30 chemical chemical NOUN pc289g5798w 8 31 vapor vapor NOUN pc289g5798w 8 32 deposition deposition NOUN pc289g5798w 8 33 ( ( PUNCT pc289g5798w 8 34 pecvd pecvd PROPN pc289g5798w 8 35 ) ) PUNCT pc289g5798w 8 36 silicon silicon NOUN pc289g5798w 8 37 dioxide dioxide NOUN pc289g5798w 8 38 , , PUNCT pc289g5798w 8 39 and and CCONJ pc289g5798w 8 40 conducting conduct VERB pc289g5798w 8 41 an an DET pc289g5798w 8 42 initial initial ADJ pc289g5798w 8 43 reliability reliability NOUN pc289g5798w 8 44 test test NOUN pc289g5798w 8 45 on on ADP pc289g5798w 8 46 an an DET pc289g5798w 8 47 unbonded unbonded ADJ pc289g5798w 8 48 straight straight ADJ pc289g5798w 8 49 laser laser NOUN pc289g5798w 8 50 . . PUNCT pc289g5798w 9 1 wet wet ADJ pc289g5798w 9 2 thermal thermal ADJ pc289g5798w 9 3 oxidation oxidation NOUN pc289g5798w 9 4 is be AUX pc289g5798w 9 5 also also ADV pc289g5798w 9 6 demonstrated demonstrate VERB pc289g5798w 9 7 for for ADP pc289g5798w 9 8 the the DET pc289g5798w 9 9 first first ADJ pc289g5798w 9 10 time time NOUN pc289g5798w 9 11 on on ADP pc289g5798w 9 12 1.3 1.3 NUM pc289g5798w 9 13 micron micron NOUN pc289g5798w 9 14 dilute dilute NOUN pc289g5798w 9 15 - - PUNCT pc289g5798w 9 16 nitride nitride NOUN pc289g5798w 9 17 and and CCONJ pc289g5798w 9 18 mid mid ADJ pc289g5798w 9 19 - - ADJ pc289g5798w 9 20 ir ir ADJ pc289g5798w 9 21 quantum quantum NOUN pc289g5798w 9 22 cascade cascade NOUN pc289g5798w 9 23 laser laser NOUN pc289g5798w 9 24 ( ( PUNCT pc289g5798w 9 25 qcl qcl NOUN pc289g5798w 9 26 ) ) PUNCT pc289g5798w 9 27 structures structure NOUN pc289g5798w 9 28 with with ADP pc289g5798w 9 29 al al PROPN pc289g5798w 9 30 - - PUNCT pc289g5798w 9 31 free free ADJ pc289g5798w 9 32 active active ADJ pc289g5798w 9 33 regions region NOUN pc289g5798w 9 34 , , PUNCT pc289g5798w 9 35 with with ADP pc289g5798w 9 36 enhanced enhanced ADJ pc289g5798w 9 37 dilute dilute NOUN pc289g5798w 9 38 - - PUNCT pc289g5798w 9 39 nitride nitride NOUN pc289g5798w 9 40 laser laser NOUN pc289g5798w 9 41 performance performance NOUN pc289g5798w 9 42 achieved achieve VERB pc289g5798w 9 43 . . PUNCT pc289g5798w 10 1 potential potential ADJ pc289g5798w 10 2 benefits benefit NOUN pc289g5798w 10 3 of of ADP pc289g5798w 10 4 the the DET pc289g5798w 10 5 oxide oxide NOUN pc289g5798w 10 6 - - PUNCT pc289g5798w 10 7 confined confine VERB pc289g5798w 10 8 hic hic PROPN pc289g5798w 10 9 structure structure NOUN pc289g5798w 10 10 for for ADP pc289g5798w 10 11 high high ADJ pc289g5798w 10 12 - - PUNCT pc289g5798w 10 13 power power NOUN pc289g5798w 10 14 laser laser NOUN pc289g5798w 10 15 diode diode NOUN pc289g5798w 10 16 bars bar NOUN pc289g5798w 10 17 and and CCONJ pc289g5798w 10 18 other other ADJ pc289g5798w 10 19 devices device NOUN pc289g5798w 10 20 are be AUX pc289g5798w 10 21 also also ADV pc289g5798w 10 22 addressed address VERB pc289g5798w 10 23 . . PUNCT pc289g5798w 11 1 the the DET pc289g5798w 11 2 simplified simplified ADJ pc289g5798w 11 3 hic hic PROPN pc289g5798w 11 4 laser laser NOUN pc289g5798w 11 5 fabrication fabrication NOUN pc289g5798w 11 6 process process NOUN pc289g5798w 11 7 developed develop VERB pc289g5798w 11 8 in in ADP pc289g5798w 11 9 this this DET pc289g5798w 11 10 work work NOUN pc289g5798w 11 11 also also ADV pc289g5798w 11 12 shows show VERB pc289g5798w 11 13 the the DET pc289g5798w 11 14 great great ADJ pc289g5798w 11 15 potential potential NOUN pc289g5798w 11 16 of of ADP pc289g5798w 11 17 non non ADJ pc289g5798w 11 18 - - ADJ pc289g5798w 11 19 selective selective ADJ pc289g5798w 11 20 oxidation oxidation NOUN pc289g5798w 11 21 for for ADP pc289g5798w 11 22 future future ADJ pc289g5798w 11 23 high high ADJ pc289g5798w 11 24 density density NOUN pc289g5798w 11 25 pics pic NOUN pc289g5798w 11 26 . . PUNCT