id sid tid token lemma pos bn999595x4q 1 1 immense immense ADJ bn999595x4q 1 2 progress progress NOUN bn999595x4q 1 3 has have AUX bn999595x4q 1 4 been be AUX bn999595x4q 1 5 made make VERB bn999595x4q 1 6 in in ADP bn999595x4q 1 7 iii iii NUM bn999595x4q 1 8 - - PUNCT bn999595x4q 1 9 nitride nitride NOUN bn999595x4q 1 10 optical optical ADJ bn999595x4q 1 11 devices device NOUN bn999595x4q 1 12 since since SCONJ bn999595x4q 1 13 the the DET bn999595x4q 1 14 demonstration demonstration NOUN bn999595x4q 1 15 of of ADP bn999595x4q 1 16 blue blue ADJ bn999595x4q 1 17 lasers laser NOUN bn999595x4q 1 18 in in ADP bn999595x4q 1 19 mid mid ADJ bn999595x4q 1 20 90 90 NUM bn999595x4q 1 21 's 's PART bn999595x4q 1 22 . . PUNCT bn999595x4q 2 1 the the DET bn999595x4q 2 2 attention attention NOUN bn999595x4q 2 3 of of ADP bn999595x4q 2 4 the the DET bn999595x4q 2 5 solid solid ADJ bn999595x4q 2 6 state state NOUN bn999595x4q 2 7 lighting lighting NOUN bn999595x4q 2 8 has have AUX bn999595x4q 2 9 shifted shift VERB bn999595x4q 2 10 to to ADP bn999595x4q 2 11 longer long ADV bn999595x4q 2 12 wavelength wavelength NOUN bn999595x4q 2 13 ( ( PUNCT bn999595x4q 2 14 green green ADJ bn999595x4q 2 15 ) ) PUNCT bn999595x4q 2 16 , , PUNCT bn999595x4q 2 17 and and CCONJ bn999595x4q 2 18 to to ADP bn999595x4q 2 19 short short ADJ bn999595x4q 2 20 wavelength wavelength NOUN bn999595x4q 2 21 ( ( PUNCT bn999595x4q 2 22 ultraviolet ultraviolet NOUN bn999595x4q 2 23 : : PUNCT bn999595x4q 2 24 uv uv NOUN bn999595x4q 2 25 ) ) PUNCT bn999595x4q 2 26 . . PUNCT bn999595x4q 3 1 at at ADP bn999595x4q 3 2 the the DET bn999595x4q 3 3 same same ADJ bn999595x4q 3 4 time time NOUN bn999595x4q 3 5 , , PUNCT bn999595x4q 3 6 major major ADJ bn999595x4q 3 7 challenges challenge NOUN bn999595x4q 3 8 remain remain VERB bn999595x4q 3 9 in in ADP bn999595x4q 3 10 improving improve VERB bn999595x4q 3 11 the the DET bn999595x4q 3 12 efficiency efficiency NOUN bn999595x4q 3 13 of of ADP bn999595x4q 3 14 iii iii X bn999595x4q 3 15 - - PUNCT bn999595x4q 3 16 nitride nitride NOUN bn999595x4q 3 17 optical optical ADJ bn999595x4q 3 18 emitters emitter NOUN bn999595x4q 3 19 . . PUNCT bn999595x4q 4 1 in in ADP bn999595x4q 4 2 this this DET bn999595x4q 4 3 work work NOUN bn999595x4q 4 4 , , PUNCT bn999595x4q 4 5 we we PRON bn999595x4q 4 6 explore explore VERB bn999595x4q 4 7 the the DET bn999595x4q 4 8 many many ADJ bn999595x4q 4 9 consequences consequence NOUN bn999595x4q 4 10 of of ADP bn999595x4q 4 11 the the DET bn999595x4q 4 12 electronic electronic ADJ bn999595x4q 4 13 polarization polarization NOUN bn999595x4q 4 14 fields field NOUN bn999595x4q 4 15 at at ADP bn999595x4q 4 16 heterojunctions heterojunction NOUN bn999595x4q 4 17 of of ADP bn999595x4q 4 18 long-$lambda$ long-$lambda$ PROPN bn999595x4q 4 19 ( ( PUNCT bn999595x4q 4 20 green green PROPN bn999595x4q 4 21 ) ) PUNCT bn999595x4q 4 22 and and CCONJ bn999595x4q 4 23 very very ADV bn999595x4q 4 24 short-$lambda$ short-$lambda$ PROPN bn999595x4q 4 25 ( ( PUNCT bn999595x4q 4 26 uv uv NOUN bn999595x4q 4 27 ) ) PUNCT bn999595x4q 4 28 light light ADJ bn999595x4q 4 29 emitters emitter NOUN bn999595x4q 4 30 . . PUNCT bn999595x4q 5 1 by by ADP bn999595x4q 5 2 using use VERB bn999595x4q 5 3 molecular molecular ADJ bn999595x4q 5 4 beam beam NOUN bn999595x4q 5 5 epitaxy epitaxy PROPN bn999595x4q 5 6 ( ( PUNCT bn999595x4q 5 7 mbe mbe PROPN bn999595x4q 5 8 ) ) PUNCT bn999595x4q 5 9 , , PUNCT bn999595x4q 5 10 we we PRON bn999595x4q 5 11 grow grow VERB bn999595x4q 5 12 iii iii NUM bn999595x4q 5 13 - - PUNCT bn999595x4q 5 14 nitride nitride NOUN bn999595x4q 5 15 heterostructures heterostructure NOUN bn999595x4q 5 16 with with ADP bn999595x4q 5 17 high high ADJ bn999595x4q 5 18 composition composition NOUN bn999595x4q 5 19 in in ADP bn999595x4q 5 20 - - PUNCT bn999595x4q 5 21 composition composition NOUN bn999595x4q 5 22 ingan ingan NOUN bn999595x4q 5 23 on on ADP bn999595x4q 5 24 gan gan PROPN bn999595x4q 5 25 substrates substrate NOUN bn999595x4q 5 26 for for ADP bn999595x4q 5 27 investigating investigate VERB bn999595x4q 5 28 very very ADV bn999595x4q 5 29 long-$lambda$ long-$lambda$ PROPN bn999595x4q 5 30 visible visible ADJ bn999595x4q 5 31 emitters emitter NOUN bn999595x4q 5 32 and and CCONJ bn999595x4q 5 33 detectors detector NOUN bn999595x4q 5 34 . . PUNCT bn999595x4q 6 1 we we PRON bn999595x4q 6 2 also also ADV bn999595x4q 6 3 investigate investigate VERB bn999595x4q 6 4 the the DET bn999595x4q 6 5 growth growth NOUN bn999595x4q 6 6 of of ADP bn999595x4q 6 7 high high ADJ bn999595x4q 6 8 al al PROPN bn999595x4q 6 9 - - PUNCT bn999595x4q 6 10 composition composition ADJ bn999595x4q 6 11 algan algan NOUN bn999595x4q 6 12 on on ADP bn999595x4q 6 13 aln aln PROPN bn999595x4q 6 14 substrates substrate NOUN bn999595x4q 6 15 for for ADP bn999595x4q 6 16 uv uv NOUN bn999595x4q 6 17 emitters emitter NOUN bn999595x4q 6 18 . . PUNCT bn999595x4q 7 1 a a DET bn999595x4q 7 2 careful careful ADJ bn999595x4q 7 3 analysis analysis NOUN bn999595x4q 7 4 of of ADP bn999595x4q 7 5 the the DET bn999595x4q 7 6 role role NOUN bn999595x4q 7 7 of of ADP bn999595x4q 7 8 polarization polarization NOUN bn999595x4q 7 9 in in ADP bn999595x4q 7 10 heterostructures heterostructure NOUN bn999595x4q 7 11 enables enable VERB bn999595x4q 7 12 us we PRON bn999595x4q 7 13 to to PART bn999595x4q 7 14 design design VERB bn999595x4q 7 15 and and CCONJ bn999595x4q 7 16 demonstrate demonstrate VERB bn999595x4q 7 17 novel novel NOUN bn999595x4q 7 18 n n VERB bn999595x4q 7 19 - - PUNCT bn999595x4q 7 20 face face NOUN bn999595x4q 7 21 quantum quantum NOUN bn999595x4q 7 22 well well PROPN bn999595x4q 7 23 ( ( PUNCT bn999595x4q 7 24 qw qw NOUN bn999595x4q 7 25 ) ) PUNCT bn999595x4q 7 26 light light NOUN bn999595x4q 7 27 emitting emit VERB bn999595x4q 7 28 diode diode NOUN bn999595x4q 7 29 ( ( PUNCT bn999595x4q 7 30 led lead VERB bn999595x4q 7 31 ) ) PUNCT bn999595x4q 7 32 heterostructure heterostructure NOUN bn999595x4q 7 33 that that PRON bn999595x4q 7 34 incorporates incorporate VERB bn999595x4q 7 35 polarization polarization NOUN bn999595x4q 7 36 - - PUNCT bn999595x4q 7 37 induced induce VERB bn999595x4q 7 38 doped doped ADJ bn999595x4q 7 39 p p NOUN bn999595x4q 7 40 - - PUNCT bn999595x4q 7 41 type type NOUN bn999595x4q 7 42 layers layer NOUN bn999595x4q 7 43 . . PUNCT bn999595x4q 8 1 these these DET bn999595x4q 8 2 qws qws NOUN bn999595x4q 8 3 emit emit NOUN bn999595x4q 8 4 at at ADP bn999595x4q 8 5 room room NOUN bn999595x4q 8 6 temperature temperature NOUN bn999595x4q 8 7 ( ( PUNCT bn999595x4q 8 8 rt rt PROPN bn999595x4q 8 9 ) ) PUNCT bn999595x4q 8 10 at at ADP bn999595x4q 8 11 and and CCONJ bn999595x4q 8 12 near near ADP bn999595x4q 8 13 gan gan PROPN bn999595x4q 8 14 qw qw PROPN bn999595x4q 8 15 band band PROPN bn999595x4q 8 16 gap gap PROPN bn999595x4q 8 17 . . PUNCT bn999595x4q 9 1 for for ADP bn999595x4q 9 2 shorter-$lambda$ shorter-$lambda$ PROPN bn999595x4q 9 3 emission emission NOUN bn999595x4q 9 4 , , PUNCT bn999595x4q 9 5 we we PRON bn999595x4q 9 6 design design VERB bn999595x4q 9 7 and and CCONJ bn999595x4q 9 8 demonstrate demonstrate VERB bn999595x4q 9 9 a a DET bn999595x4q 9 10 novel novel NOUN bn999595x4q 9 11 quantum quantum NOUN bn999595x4q 9 12 dot dot NOUN bn999595x4q 9 13 ( ( PUNCT bn999595x4q 9 14 qd qd NOUN bn999595x4q 9 15 ) ) PUNCT bn999595x4q 9 16 uv uv NOUN bn999595x4q 9 17 led lead VERB bn999595x4q 9 18 that that PRON bn999595x4q 9 19 uses use VERB bn999595x4q 9 20 tunnel tunnel NOUN bn999595x4q 9 21 - - PUNCT bn999595x4q 9 22 injection injection NOUN bn999595x4q 9 23 of of ADP bn999595x4q 9 24 carriers carrier NOUN bn999595x4q 9 25 . . PUNCT bn999595x4q 10 1 this this DET bn999595x4q 10 2 qd qd PROPN bn999595x4q 10 3 uv uv NOUN bn999595x4q 10 4 led lead VERB bn999595x4q 10 5 emits emit NOUN bn999595x4q 10 6 at at ADP bn999595x4q 10 7 rt rt PROPN bn999595x4q 10 8 at at ADP bn999595x4q 10 9 261 261 NUM bn999595x4q 10 10 nm nm NOUN bn999595x4q 10 11 , , PUNCT bn999595x4q 10 12 301 301 NUM bn999595x4q 10 13 nm nm NOUN bn999595x4q 10 14 and and CCONJ bn999595x4q 10 15 341 341 NUM bn999595x4q 10 16 nm nm NOUN bn999595x4q 10 17 . . PUNCT bn999595x4q 11 1 besides besides ADV bn999595x4q 11 2 , , PUNCT bn999595x4q 11 3 we we PRON bn999595x4q 11 4 incorporate incorporate VERB bn999595x4q 11 5 polarization polarization NOUN bn999595x4q 11 6 - - PUNCT bn999595x4q 11 7 induced induce VERB bn999595x4q 11 8 doping doping NOUN bn999595x4q 11 9 with with ADP bn999595x4q 11 10 gan gan PROPN bn999595x4q 11 11 / / SYM bn999595x4q 11 12 aln aln PROPN bn999595x4q 11 13 qd qd PROPN bn999595x4q 11 14 active active ADJ bn999595x4q 11 15 region region NOUN bn999595x4q 11 16 to to PART bn999595x4q 11 17 improve improve VERB bn999595x4q 11 18 the the DET bn999595x4q 11 19 emission emission NOUN bn999595x4q 11 20 intensity intensity NOUN bn999595x4q 11 21 at at ADP bn999595x4q 11 22 259 259 NUM bn999595x4q 11 23 nm nm NOUN bn999595x4q 11 24 and and CCONJ bn999595x4q 11 25 subdue subdue VERB bn999595x4q 11 26 the the DET bn999595x4q 11 27 relatively relatively ADV bn999595x4q 11 28 longer long ADJ bn999595x4q 11 29 wavelength wavelength NOUN bn999595x4q 11 30 emission emission NOUN bn999595x4q 11 31 at at ADP bn999595x4q 11 32 290 290 NUM bn999595x4q 11 33 nm nm NOUN bn999595x4q 11 34 . . PUNCT bn999595x4q 12 1 both both DET bn999595x4q 12 2 demonstrations demonstration NOUN bn999595x4q 12 3 help help VERB bn999595x4q 12 4 us we PRON bn999595x4q 12 5 identify identify VERB bn999595x4q 12 6 unique unique ADJ bn999595x4q 12 7 opportunities opportunity NOUN bn999595x4q 12 8 for for ADP bn999595x4q 12 9 improvements improvement NOUN bn999595x4q 12 10 in in ADP bn999595x4q 12 11 iii iii NUM bn999595x4q 12 12 - - PUNCT bn999595x4q 12 13 nitride nitride NOUN bn999595x4q 12 14 leds led NOUN bn999595x4q 12 15 and and CCONJ bn999595x4q 12 16 lasers laser NOUN bn999595x4q 12 17 of of ADP bn999595x4q 12 18 the the DET bn999595x4q 12 19 future future NOUN bn999595x4q 12 20 . . PUNCT